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nexedi
linux
Commits
8916919b
Commit
8916919b
authored
Sep 12, 2002
by
Dave Kleikamp
Committed by
Dave Kleikamp
Sep 12, 2002
Browse files
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Plain Diff
JFS: cleanup -- Remove excessive typedefs
parent
89b55979
Changes
28
Show whitespace changes
Inline
Side-by-side
Showing
28 changed files
with
1277 additions
and
1258 deletions
+1277
-1258
fs/jfs/jfs_btree.h
fs/jfs/jfs_btree.h
+18
-18
fs/jfs/jfs_defragfs.h
fs/jfs/jfs_defragfs.h
+2
-2
fs/jfs/jfs_dinode.h
fs/jfs/jfs_dinode.h
+2
-5
fs/jfs/jfs_dmap.c
fs/jfs/jfs_dmap.c
+120
-107
fs/jfs/jfs_dmap.h
fs/jfs/jfs_dmap.h
+20
-20
fs/jfs/jfs_dtree.c
fs/jfs/jfs_dtree.c
+325
-321
fs/jfs/jfs_dtree.h
fs/jfs/jfs_dtree.h
+19
-19
fs/jfs/jfs_extent.c
fs/jfs/jfs_extent.c
+3
-3
fs/jfs/jfs_imap.c
fs/jfs/jfs_imap.c
+127
-128
fs/jfs/jfs_imap.h
fs/jfs/jfs_imap.h
+11
-11
fs/jfs/jfs_incore.h
fs/jfs/jfs_incore.h
+1
-1
fs/jfs/jfs_logmgr.c
fs/jfs/jfs_logmgr.c
+123
-120
fs/jfs/jfs_logmgr.h
fs/jfs/jfs_logmgr.h
+26
-26
fs/jfs/jfs_metapage.c
fs/jfs/jfs_metapage.c
+29
-29
fs/jfs/jfs_metapage.h
fs/jfs/jfs_metapage.h
+8
-8
fs/jfs/jfs_mount.c
fs/jfs/jfs_mount.c
+3
-3
fs/jfs/jfs_txnmgr.c
fs/jfs/jfs_txnmgr.c
+169
-159
fs/jfs/jfs_txnmgr.h
fs/jfs/jfs_txnmgr.h
+56
-58
fs/jfs/jfs_types.h
fs/jfs/jfs_types.h
+8
-8
fs/jfs/jfs_umount.c
fs/jfs/jfs_umount.c
+2
-2
fs/jfs/jfs_unicode.c
fs/jfs/jfs_unicode.c
+1
-1
fs/jfs/jfs_unicode.h
fs/jfs/jfs_unicode.h
+2
-1
fs/jfs/jfs_xtree.c
fs/jfs/jfs_xtree.c
+153
-159
fs/jfs/jfs_xtree.h
fs/jfs/jfs_xtree.h
+4
-4
fs/jfs/namei.c
fs/jfs/namei.c
+38
-38
fs/jfs/resize.c
fs/jfs/resize.c
+2
-2
fs/jfs/super.c
fs/jfs/super.c
+3
-3
fs/jfs/xattr.c
fs/jfs/xattr.c
+2
-2
No files found.
fs/jfs/jfs_btree.h
View file @
8916919b
...
...
@@ -25,18 +25,18 @@
*/
/*
* basic btree page - btpage
_t
*
/
typedef
struct
{
s64
next
;
/* 8: right sibling bn */
s64
prev
;
/* 8: left sibling bn */
* basic btree page - btpage
*
struct btpage
{
s64 next;
right sibling bn
s64 prev;
left sibling bn
u8
flag
;
/* 1: */
u8
rsrvd
[
7
];
/* 7: type specific */
s64
self
;
/* 8: self address */
u8 flag;
u8 rsrvd[7];
type specific
s64 self;
self address
u8
entry
[
4064
];
/* 4064: */
}
btpage_t
;
/* (4096)
*/
u8 entry[4064];
}
;
*/
/* btpaget_t flag */
#define BT_TYPE 0x07
/* B+-tree index */
...
...
@@ -68,7 +68,7 @@ typedef struct {
{\
if ((BN) == 0)\
{\
MP = (
metapage_t
*)&JFS_IP(IP)->bxflag;\
MP = (
struct metapage
*)&JFS_IP(IP)->bxflag;\
P = (TYPE *)&JFS_IP(IP)->ROOT;\
RC = 0;\
jEVENT(0,("%d BT_GETPAGE returning root\n", __LINE__));\
...
...
@@ -112,18 +112,18 @@ typedef struct {
* top frame record the leaf page/entry selected.
*/
#define MAXTREEHEIGHT 8
typedef
struct
btframe
{
/* stack frame */
struct
btframe
{
/* stack frame */
s64
bn
;
/* 8: */
s16
index
;
/* 2: */
s16
lastindex
;
/* 2: */
struct
metapage
*
mp
;
/* 4: */
}
btframe_t
;
/* (16) */
}
;
/* (16) */
typedef
struct
btstack
{
btframe_t
*
top
;
/* 4: */
int
nsplit
;
/* 4: */
btframe_t
stack
[
MAXTREEHEIGHT
];
}
btstack_t
;
struct
btstack
{
struct
btframe
*
top
;
int
nsplit
;
struct
btframe
stack
[
MAXTREEHEIGHT
];
};
#define BT_CLR(btstack)\
(btstack)->top = (btstack)->stack
...
...
fs/jfs/jfs_defragfs.h
View file @
8916919b
...
...
@@ -21,7 +21,7 @@
/*
* defragfs parameter list
*/
typedef
struct
{
struct
defragfs
{
uint
flag
;
/* 4: */
u8
dev
;
/* 1: */
u8
pad
[
3
];
/* 3: */
...
...
@@ -33,7 +33,7 @@ typedef struct {
s64
old_xaddr
;
/* 8: */
s64
new_xaddr
;
/* 8: */
s32
xlen
;
/* 4: */
}
defragfs_t
;
/* (52) */
}
;
/* plist flag */
#define DEFRAGFS_SYNC 0x80000000
...
...
fs/jfs/jfs_dinode.h
View file @
8916919b
...
...
@@ -28,7 +28,7 @@
/*
* on-disk inode
(dinode_t)
: 512 bytes
* on-disk inode : 512 bytes
*
* note: align 64-bit fields on 8-byte boundary.
*/
...
...
@@ -89,7 +89,7 @@ struct dinode {
* If the index is small enough, the table is inline,
* otherwise, an x-tree root overlays this table
*/
dir_table_slot_t
_table
[
12
];
/* 96: inline */
struct
dir_table_slot
_table
[
12
];
/* 96: inline */
dtroot_t
_dtroot
;
/* 288: dtree root */
}
_dir
;
/* (384) */
...
...
@@ -131,9 +131,6 @@ struct dinode {
}
u
;
};
typedef
struct
dinode
dinode_t
;
/* extended mode bits (on-disk inode di_mode) */
#define IFJOURNAL 0x00010000
/* journalled file */
#define ISPARSE 0x00020000
/* sparse file enabled */
...
...
fs/jfs/jfs_dmap.c
View file @
8916919b
...
...
@@ -100,30 +100,37 @@ static void DBFreeCK(uint *, s64, s64, s64);
/*
* forward references
*/
static
void
dbAllocBits
(
bmap_t
*
bmp
,
dmap_t
*
dp
,
s64
blkno
,
int
nblocks
);
static
void
dbAllocBits
(
struct
bmap
*
bmp
,
struct
dmap
*
dp
,
s64
blkno
,
int
nblocks
);
static
void
dbSplit
(
dmtree_t
*
tp
,
int
leafno
,
int
splitsz
,
int
newval
);
static
void
dbBackSplit
(
dmtree_t
*
tp
,
int
leafno
);
static
void
dbJoin
(
dmtree_t
*
tp
,
int
leafno
,
int
newval
);
static
void
dbAdjTree
(
dmtree_t
*
tp
,
int
leafno
,
int
newval
);
static
int
dbAdjCtl
(
bmap_t
*
bmp
,
s64
blkno
,
int
newval
,
int
alloc
,
static
int
dbAdjCtl
(
struct
bmap
*
bmp
,
s64
blkno
,
int
newval
,
int
alloc
,
int
level
);
static
int
dbAllocAny
(
bmap_t
*
bmp
,
s64
nblocks
,
int
l2nb
,
s64
*
results
);
static
int
dbAllocNext
(
bmap_t
*
bmp
,
dmap_t
*
dp
,
s64
blkno
,
int
nblocks
);
static
int
dbAllocNear
(
bmap_t
*
bmp
,
dmap_t
*
dp
,
s64
blkno
,
int
nblocks
,
static
int
dbAllocAny
(
struct
bmap
*
bmp
,
s64
nblocks
,
int
l2nb
,
s64
*
results
);
static
int
dbAllocNext
(
struct
bmap
*
bmp
,
struct
dmap
*
dp
,
s64
blkno
,
int
nblocks
);
static
int
dbAllocNear
(
struct
bmap
*
bmp
,
struct
dmap
*
dp
,
s64
blkno
,
int
nblocks
,
int
l2nb
,
s64
*
results
);
static
int
dbAllocDmap
(
bmap_t
*
bmp
,
dmap_t
*
dp
,
s64
blkno
,
int
nblocks
);
static
int
dbAllocDmapLev
(
bmap_t
*
bmp
,
dmap_t
*
dp
,
int
nblocks
,
int
l2nb
,
static
int
dbAllocDmap
(
struct
bmap
*
bmp
,
struct
dmap
*
dp
,
s64
blkno
,
int
nblocks
);
static
int
dbAllocDmapLev
(
struct
bmap
*
bmp
,
struct
dmap
*
dp
,
int
nblocks
,
int
l2nb
,
s64
*
results
);
static
int
dbAllocAG
(
bmap_t
*
bmp
,
int
agno
,
s64
nblocks
,
int
l2nb
,
static
int
dbAllocAG
(
struct
bmap
*
bmp
,
int
agno
,
s64
nblocks
,
int
l2nb
,
s64
*
results
);
static
int
dbAllocCtl
(
bmap_t
*
bmp
,
s64
nblocks
,
int
l2nb
,
s64
blkno
,
static
int
dbAllocCtl
(
struct
bmap
*
bmp
,
s64
nblocks
,
int
l2nb
,
s64
blkno
,
s64
*
results
);
int
dbExtend
(
struct
inode
*
ip
,
s64
blkno
,
s64
nblocks
,
s64
addnblocks
);
static
int
dbFindBits
(
u32
word
,
int
l2nb
);
static
int
dbFindCtl
(
bmap_t
*
bmp
,
int
l2nb
,
int
level
,
s64
*
blkno
);
static
int
dbFindCtl
(
struct
bmap
*
bmp
,
int
l2nb
,
int
level
,
s64
*
blkno
);
static
int
dbFindLeaf
(
dmtree_t
*
tp
,
int
l2nb
,
int
*
leafidx
);
static
void
dbFreeBits
(
bmap_t
*
bmp
,
dmap_t
*
dp
,
s64
blkno
,
int
nblocks
);
static
int
dbFreeDmap
(
bmap_t
*
bmp
,
dmap_t
*
dp
,
s64
blkno
,
int
nblocks
);
static
void
dbFreeBits
(
struct
bmap
*
bmp
,
struct
dmap
*
dp
,
s64
blkno
,
int
nblocks
);
static
int
dbFreeDmap
(
struct
bmap
*
bmp
,
struct
dmap
*
dp
,
s64
blkno
,
int
nblocks
);
static
int
dbMaxBud
(
u8
*
cp
);
s64
dbMapFileSizeToMapSize
(
struct
inode
*
ipbmap
);
int
blkstol2
(
s64
nb
);
...
...
@@ -132,12 +139,12 @@ void fsDirty(void);
int
cntlz
(
u32
value
);
int
cnttz
(
u32
word
);
static
int
dbAllocDmapBU
(
bmap_t
*
bmp
,
dmap_t
*
dp
,
s64
blkno
,
static
int
dbAllocDmapBU
(
struct
bmap
*
bmp
,
struct
dmap
*
dp
,
s64
blkno
,
int
nblocks
);
static
int
dbInitDmap
(
dmap_t
*
dp
,
s64
blkno
,
int
nblocks
);
static
int
dbInitDmapTree
(
dmap_t
*
dp
);
static
int
dbInitTree
(
dmaptree_t
*
dtp
);
static
int
dbInitDmapCtl
(
dmapctl_t
*
dcp
,
int
level
,
int
i
);
static
int
dbInitDmap
(
struct
dmap
*
dp
,
s64
blkno
,
int
nblocks
);
static
int
dbInitDmapTree
(
struct
dmap
*
dp
);
static
int
dbInitTree
(
struct
dmaptree
*
dtp
);
static
int
dbInitDmapCtl
(
struct
dmapctl
*
dcp
,
int
level
,
int
i
);
static
int
dbGetL2AGSize
(
s64
nblocks
);
/*
...
...
@@ -186,16 +193,16 @@ signed char budtab[256] = {
*/
int
dbMount
(
struct
inode
*
ipbmap
)
{
bmap_t
*
bmp
;
dbmap_t
*
dbmp_le
;
metapage_t
*
mp
;
struct
bmap
*
bmp
;
struct
dbmap
*
dbmp_le
;
struct
metapage
*
mp
;
int
i
;
/*
* allocate/initialize the in-memory bmap descriptor
*/
/* allocate memory for the in-memory bmap descriptor */
bmp
=
kmalloc
(
sizeof
(
bmap_t
),
GFP_KERNEL
);
bmp
=
kmalloc
(
sizeof
(
struct
bmap
),
GFP_KERNEL
);
if
(
bmp
==
NULL
)
return
(
ENOMEM
);
...
...
@@ -209,7 +216,7 @@ int dbMount(struct inode *ipbmap)
}
/* copy the on-disk bmap descriptor to its in-memory version. */
dbmp_le
=
(
dbmap_t
*
)
mp
->
data
;
dbmp_le
=
(
struct
dbmap
*
)
mp
->
data
;
bmp
->
db_mapsize
=
le64_to_cpu
(
dbmp_le
->
dn_mapsize
);
bmp
->
db_nfree
=
le64_to_cpu
(
dbmp_le
->
dn_nfree
);
bmp
->
db_l2nbperpage
=
le32_to_cpu
(
dbmp_le
->
dn_l2nbperpage
);
...
...
@@ -263,7 +270,7 @@ int dbMount(struct inode *ipbmap)
*/
int
dbUnmount
(
struct
inode
*
ipbmap
,
int
mounterror
)
{
bmap_t
*
bmp
=
JFS_SBI
(
ipbmap
->
i_sb
)
->
bmap
;
struct
bmap
*
bmp
=
JFS_SBI
(
ipbmap
->
i_sb
)
->
bmap
;
if
(
!
(
mounterror
||
isReadOnly
(
ipbmap
)))
dbSync
(
ipbmap
);
...
...
@@ -284,9 +291,9 @@ int dbUnmount(struct inode *ipbmap, int mounterror)
*/
int
dbSync
(
struct
inode
*
ipbmap
)
{
dbmap_t
*
dbmp_le
;
bmap_t
*
bmp
=
JFS_SBI
(
ipbmap
->
i_sb
)
->
bmap
;
metapage_t
*
mp
;
struct
dbmap
*
dbmp_le
;
struct
bmap
*
bmp
=
JFS_SBI
(
ipbmap
->
i_sb
)
->
bmap
;
struct
metapage
*
mp
;
int
i
;
/*
...
...
@@ -301,7 +308,7 @@ int dbSync(struct inode *ipbmap)
return
(
EIO
);
}
/* copy the in-memory version of the bmap to the on-disk version */
dbmp_le
=
(
dbmap_t
*
)
mp
->
data
;
dbmp_le
=
(
struct
dbmap
*
)
mp
->
data
;
dbmp_le
->
dn_mapsize
=
cpu_to_le64
(
bmp
->
db_mapsize
);
dbmp_le
->
dn_nfree
=
cpu_to_le64
(
bmp
->
db_nfree
);
dbmp_le
->
dn_l2nbperpage
=
cpu_to_le32
(
bmp
->
db_l2nbperpage
);
...
...
@@ -355,12 +362,12 @@ int dbSync(struct inode *ipbmap)
*/
int
dbFree
(
struct
inode
*
ip
,
s64
blkno
,
s64
nblocks
)
{
metapage_t
*
mp
;
dmap_t
*
dp
;
struct
metapage
*
mp
;
struct
dmap
*
dp
;
int
nb
,
rc
;
s64
lblkno
,
rem
;
struct
inode
*
ipbmap
=
JFS_SBI
(
ip
->
i_sb
)
->
ipbmap
;
bmap_t
*
bmp
=
JFS_SBI
(
ip
->
i_sb
)
->
bmap
;
struct
bmap
*
bmp
=
JFS_SBI
(
ip
->
i_sb
)
->
bmap
;
IREAD_LOCK
(
ipbmap
);
...
...
@@ -384,7 +391,7 @@ int dbFree(struct inode *ip, s64 blkno, s64 nblocks)
IREAD_UNLOCK
(
ipbmap
);
return
(
EIO
);
}
dp
=
(
dmap_t
*
)
mp
->
data
;
dp
=
(
struct
dmap
*
)
mp
->
data
;
/* determine the number of blocks to be freed from
* this dmap.
...
...
@@ -435,16 +442,16 @@ int dbFree(struct inode *ip, s64 blkno, s64 nblocks)
*/
int
dbUpdatePMap
(
struct
inode
*
ipbmap
,
int
free
,
s64
blkno
,
s64
nblocks
,
tblock_t
*
tblk
)
int
free
,
s64
blkno
,
s64
nblocks
,
struct
tblock
*
tblk
)
{
int
nblks
,
dbitno
,
wbitno
,
rbits
;
int
word
,
nbits
,
nwords
;
bmap_t
*
bmp
=
JFS_SBI
(
ipbmap
->
i_sb
)
->
bmap
;
struct
bmap
*
bmp
=
JFS_SBI
(
ipbmap
->
i_sb
)
->
bmap
;
s64
lblkno
,
rem
,
lastlblkno
;
u32
mask
;
dmap_t
*
dp
;
metapage_t
*
mp
;
log_t
*
log
;
struct
dmap
*
dp
;
struct
metapage
*
mp
;
struct
jfs_log
*
log
;
int
lsn
,
difft
,
diffp
;
/* the blocks better be within the mapsize. */
...
...
@@ -452,7 +459,7 @@ dbUpdatePMap(struct inode *ipbmap,
/* compute delta of transaction lsn from log syncpt */
lsn
=
tblk
->
lsn
;
log
=
(
log_t
*
)
JFS_SBI
(
tblk
->
sb
)
->
log
;
log
=
(
struct
jfs_log
*
)
JFS_SBI
(
tblk
->
sb
)
->
log
;
logdiff
(
difft
,
lsn
,
log
);
/*
...
...
@@ -473,7 +480,7 @@ dbUpdatePMap(struct inode *ipbmap,
if
(
mp
==
NULL
)
return
(
EIO
);
}
dp
=
(
dmap_t
*
)
mp
->
data
;
dp
=
(
struct
dmap
*
)
mp
->
data
;
/* determine the bit number and word within the dmap of
* the starting block. also determine how many blocks
...
...
@@ -619,7 +626,7 @@ int dbNextAG(struct inode *ipbmap)
{
s64
avgfree
,
inactfree
,
actfree
,
rem
;
int
actags
,
inactags
,
l2agsize
;
bmap_t
*
bmp
=
JFS_SBI
(
ipbmap
->
i_sb
)
->
bmap
;
struct
bmap
*
bmp
=
JFS_SBI
(
ipbmap
->
i_sb
)
->
bmap
;
BMAP_LOCK
(
bmp
);
...
...
@@ -737,10 +744,10 @@ int dbAlloc(struct inode *ip, s64 hint, s64 nblocks, s64 * results)
{
int
rc
,
agno
;
struct
inode
*
ipbmap
=
JFS_SBI
(
ip
->
i_sb
)
->
ipbmap
;
bmap_t
*
bmp
;
metapage_t
*
mp
;
struct
bmap
*
bmp
;
struct
metapage
*
mp
;
s64
lblkno
,
blkno
;
dmap_t
*
dp
;
struct
dmap
*
dp
;
int
l2nb
;
s64
mapSize
;
...
...
@@ -832,7 +839,7 @@ int dbAlloc(struct inode *ip, s64 hint, s64 nblocks, s64 * results)
if
(
mp
==
NULL
)
goto
read_unlock
;
dp
=
(
dmap_t
*
)
mp
->
data
;
dp
=
(
struct
dmap
*
)
mp
->
data
;
/* first, try to satisfy the allocation request with the
* blocks beginning at the hint.
...
...
@@ -933,10 +940,10 @@ int dbAllocExact(struct inode *ip, s64 blkno, int nblocks)
{
int
rc
;
struct
inode
*
ipbmap
=
JFS_SBI
(
ip
->
i_sb
)
->
ipbmap
;
bmap_t
*
bmp
=
JFS_SBI
(
ip
->
i_sb
)
->
bmap
;
dmap_t
*
dp
;
struct
bmap
*
bmp
=
JFS_SBI
(
ip
->
i_sb
)
->
bmap
;
struct
dmap
*
dp
;
s64
lblkno
;
metapage_t
*
mp
;
struct
metapage
*
mp
;
IREAD_LOCK
(
ipbmap
);
...
...
@@ -965,7 +972,7 @@ int dbAllocExact(struct inode *ip, s64 blkno, int nblocks)
IREAD_UNLOCK
(
ipbmap
);
return
(
EIO
);
}
dp
=
(
dmap_t
*
)
mp
->
data
;
dp
=
(
struct
dmap
*
)
mp
->
data
;
/* try to allocate the requested extent */
rc
=
dbAllocNext
(
bmp
,
dp
,
blkno
,
nblocks
);
...
...
@@ -1068,11 +1075,11 @@ int dbExtend(struct inode *ip, s64 blkno, s64 nblocks, s64 addnblocks)
struct
jfs_sb_info
*
sbi
=
JFS_SBI
(
ip
->
i_sb
);
s64
lblkno
,
lastblkno
,
extblkno
;
uint
rel_block
;
metapage_t
*
mp
;
dmap_t
*
dp
;
struct
metapage
*
mp
;
struct
dmap
*
dp
;
int
rc
;
struct
inode
*
ipbmap
=
sbi
->
ipbmap
;
bmap_t
*
bmp
;
struct
bmap
*
bmp
;
/*
* We don't want a non-aligned extent to cross a page boundary
...
...
@@ -1120,7 +1127,7 @@ int dbExtend(struct inode *ip, s64 blkno, s64 nblocks, s64 addnblocks)
}
DBALLOCCK
(
bmp
->
db_DBmap
,
bmp
->
db_mapsize
,
blkno
,
nblocks
);
dp
=
(
dmap_t
*
)
mp
->
data
;
dp
=
(
struct
dmap
*
)
mp
->
data
;
/* try to allocate the blocks immediately following the
* current allocation.
...
...
@@ -1163,7 +1170,8 @@ int dbExtend(struct inode *ip, s64 blkno, s64 nblocks, s64 addnblocks)
*
* serialization: IREAD_LOCK(ipbmap) held on entry/exit;
*/
static
int
dbAllocNext
(
bmap_t
*
bmp
,
dmap_t
*
dp
,
s64
blkno
,
int
nblocks
)
static
int
dbAllocNext
(
struct
bmap
*
bmp
,
struct
dmap
*
dp
,
s64
blkno
,
int
nblocks
)
{
int
dbitno
,
word
,
rembits
,
nb
,
nwords
,
wbitno
,
nw
;
int
l2size
;
...
...
@@ -1289,8 +1297,8 @@ static int dbAllocNext(bmap_t * bmp, dmap_t * dp, s64 blkno, int nblocks)
* serialization: IREAD_LOCK(ipbmap) held on entry/exit;
*/
static
int
dbAllocNear
(
bmap_t
*
bmp
,
dmap_t
*
dp
,
s64
blkno
,
int
nblocks
,
int
l2nb
,
s64
*
results
)
dbAllocNear
(
struct
bmap
*
bmp
,
struct
dmap
*
dp
,
s64
blkno
,
int
nblocks
,
int
l2nb
,
s64
*
results
)
{
int
word
,
lword
,
rc
;
s8
*
leaf
=
dp
->
tree
.
stree
+
le32_to_cpu
(
dp
->
tree
.
leafidx
);
...
...
@@ -1391,10 +1399,10 @@ dbAllocNear(bmap_t * bmp,
* note: IWRITE_LOCK(ipmap) held on entry/exit;
*/
static
int
dbAllocAG
(
bmap_t
*
bmp
,
int
agno
,
s64
nblocks
,
int
l2nb
,
s64
*
results
)
dbAllocAG
(
struct
bmap
*
bmp
,
int
agno
,
s64
nblocks
,
int
l2nb
,
s64
*
results
)
{
metapage_t
*
mp
;
dmapctl_t
*
dcp
;
struct
metapage
*
mp
;
struct
dmapctl
*
dcp
;
int
rc
,
ti
,
i
,
k
,
m
,
n
,
agperlev
;
s64
blkno
,
lblkno
;
int
budmin
;
...
...
@@ -1447,7 +1455,7 @@ dbAllocAG(bmap_t * bmp, int agno, s64 nblocks, int l2nb, s64 * results)
mp
=
read_metapage
(
bmp
->
db_ipbmap
,
lblkno
,
PSIZE
,
0
);
if
(
mp
==
NULL
)
return
(
EIO
);
dcp
=
(
dmapctl_t
*
)
mp
->
data
;
dcp
=
(
struct
dmapctl
*
)
mp
->
data
;
budmin
=
dcp
->
budmin
;
/* search the subtree(s) of the dmap control page that describes
...
...
@@ -1566,7 +1574,7 @@ dbAllocAG(bmap_t * bmp, int agno, s64 nblocks, int l2nb, s64 * results)
*
* serialization: IWRITE_LOCK(ipbmap) held on entry/exit;
*/
static
int
dbAllocAny
(
bmap_t
*
bmp
,
s64
nblocks
,
int
l2nb
,
s64
*
results
)
static
int
dbAllocAny
(
struct
bmap
*
bmp
,
s64
nblocks
,
int
l2nb
,
s64
*
results
)
{
int
rc
;
s64
blkno
=
0
;
...
...
@@ -1616,13 +1624,13 @@ static int dbAllocAny(bmap_t * bmp, s64 nblocks, int l2nb, s64 * results)
*
* serialization: IWRITE_LOCK(ipbmap) held on entry/exit;
*/
static
int
dbFindCtl
(
bmap_t
*
bmp
,
int
l2nb
,
int
level
,
s64
*
blkno
)
static
int
dbFindCtl
(
struct
bmap
*
bmp
,
int
l2nb
,
int
level
,
s64
*
blkno
)
{
int
rc
,
leafidx
,
lev
;
s64
b
,
lblkno
;
dmapctl_t
*
dcp
;
struct
dmapctl
*
dcp
;
int
budmin
;
metapage_t
*
mp
;
struct
metapage
*
mp
;
/* starting at the specified dmap control page level and block
* number, search down the dmap control levels for the starting
...
...
@@ -1637,7 +1645,7 @@ static int dbFindCtl(bmap_t * bmp, int l2nb, int level, s64 * blkno)
mp
=
read_metapage
(
bmp
->
db_ipbmap
,
lblkno
,
PSIZE
,
0
);
if
(
mp
==
NULL
)
return
(
EIO
);
dcp
=
(
dmapctl_t
*
)
mp
->
data
;
dcp
=
(
struct
dmapctl
*
)
mp
->
data
;
budmin
=
dcp
->
budmin
;
/* search the tree within the dmap control page for
...
...
@@ -1724,12 +1732,12 @@ static int dbFindCtl(bmap_t * bmp, int l2nb, int level, s64 * blkno)
* serialization: IWRITE_LOCK(ipbmap) held on entry/exit;
*/
static
int
dbAllocCtl
(
bmap_t
*
bmp
,
s64
nblocks
,
int
l2nb
,
s64
blkno
,
s64
*
results
)
dbAllocCtl
(
struct
bmap
*
bmp
,
s64
nblocks
,
int
l2nb
,
s64
blkno
,
s64
*
results
)
{
int
rc
,
nb
;
s64
b
,
lblkno
,
n
;
metapage_t
*
mp
;
dmap_t
*
dp
;
struct
metapage
*
mp
;
struct
dmap
*
dp
;
/* check if the allocation request is confined to a single dmap.
*/
...
...
@@ -1740,7 +1748,7 @@ dbAllocCtl(bmap_t * bmp, s64 nblocks, int l2nb, s64 blkno, s64 * results)
mp
=
read_metapage
(
bmp
->
db_ipbmap
,
lblkno
,
PSIZE
,
0
);
if
(
mp
==
NULL
)
return
(
EIO
);
dp
=
(
dmap_t
*
)
mp
->
data
;
dp
=
(
struct
dmap
*
)
mp
->
data
;
/* try to allocate the blocks.
*/
...
...
@@ -1769,7 +1777,7 @@ dbAllocCtl(bmap_t * bmp, s64 nblocks, int l2nb, s64 blkno, s64 * results)
rc
=
EIO
;
goto
backout
;
}
dp
=
(
dmap_t
*
)
mp
->
data
;
dp
=
(
struct
dmap
*
)
mp
->
data
;
/* the dmap better be all free.
*/
...
...
@@ -1821,7 +1829,7 @@ dbAllocCtl(bmap_t * bmp, s64 nblocks, int l2nb, s64 blkno, s64 * results)
(
"dbAllocCtl: I/O Error: Block Leakage.
\n
"
));
continue
;
}
dp
=
(
dmap_t
*
)
mp
->
data
;
dp
=
(
struct
dmap
*
)
mp
->
data
;
/* free the blocks is this dmap.
*/
...
...
@@ -1871,8 +1879,8 @@ dbAllocCtl(bmap_t * bmp, s64 nblocks, int l2nb, s64 blkno, s64 * results)
* IWRITE_LOCK(ipbmap), e.g., dbAllocCtl(), held on entry/exit;
*/
static
int
dbAllocDmapLev
(
bmap_t
*
bmp
,
dmap_t
*
dp
,
int
nblocks
,
int
l2nb
,
s64
*
results
)
dbAllocDmapLev
(
struct
bmap
*
bmp
,
struct
dmap
*
dp
,
int
nblocks
,
int
l2nb
,
s64
*
results
)
{
s64
blkno
;
int
leafidx
,
rc
;
...
...
@@ -1934,7 +1942,8 @@ dbAllocDmapLev(bmap_t * bmp,
*
* serialization: IREAD_LOCK(ipbmap) or IWRITE_LOCK(ipbmap) held on entry/exit;
*/
static
int
dbAllocDmap
(
bmap_t
*
bmp
,
dmap_t
*
dp
,
s64
blkno
,
int
nblocks
)
static
int
dbAllocDmap
(
struct
bmap
*
bmp
,
struct
dmap
*
dp
,
s64
blkno
,
int
nblocks
)
{
s8
oldroot
;
int
rc
;
...
...
@@ -1988,7 +1997,8 @@ static int dbAllocDmap(bmap_t * bmp, dmap_t * dp, s64 blkno, int nblocks)
*
* serialization: IREAD_LOCK(ipbmap) or IWRITE_LOCK(ipbmap) held on entry/exit;
*/
static
int
dbFreeDmap
(
bmap_t
*
bmp
,
dmap_t
*
dp
,
s64
blkno
,
int
nblocks
)
static
int
dbFreeDmap
(
struct
bmap
*
bmp
,
struct
dmap
*
dp
,
s64
blkno
,
int
nblocks
)
{
s8
oldroot
;
int
rc
,
word
;
...
...
@@ -2049,7 +2059,8 @@ static int dbFreeDmap(bmap_t * bmp, dmap_t * dp, s64 blkno, int nblocks)
*
* serialization: IREAD_LOCK(ipbmap) or IWRITE_LOCK(ipbmap) held on entry/exit;
*/
static
void
dbAllocBits
(
bmap_t
*
bmp
,
dmap_t
*
dp
,
s64
blkno
,
int
nblocks
)
static
void
dbAllocBits
(
struct
bmap
*
bmp
,
struct
dmap
*
dp
,
s64
blkno
,
int
nblocks
)
{
int
dbitno
,
word
,
rembits
,
nb
,
nwords
,
wbitno
,
nw
,
agno
;
dmtree_t
*
tp
=
(
dmtree_t
*
)
&
dp
->
tree
;
...
...
@@ -2190,7 +2201,8 @@ static void dbAllocBits(bmap_t * bmp, dmap_t * dp, s64 blkno, int nblocks)
*
* serialization: IREAD_LOCK(ipbmap) or IWRITE_LOCK(ipbmap) held on entry/exit;
*/
static
void
dbFreeBits
(
bmap_t
*
bmp
,
dmap_t
*
dp
,
s64
blkno
,
int
nblocks
)
static
void
dbFreeBits
(
struct
bmap
*
bmp
,
struct
dmap
*
dp
,
s64
blkno
,
int
nblocks
)
{
int
dbitno
,
word
,
rembits
,
nb
,
nwords
,
wbitno
,
nw
,
agno
;
dmtree_t
*
tp
=
(
dmtree_t
*
)
&
dp
->
tree
;
...
...
@@ -2368,13 +2380,13 @@ static void dbFreeBits(bmap_t * bmp, dmap_t * dp, s64 blkno, int nblocks)
* serialization: IREAD_LOCK(ipbmap) or IWRITE_LOCK(ipbmap) held on entry/exit;
*/
static
int
dbAdjCtl
(
bmap_t
*
bmp
,
s64
blkno
,
int
newval
,
int
alloc
,
int
level
)
dbAdjCtl
(
struct
bmap
*
bmp
,
s64
blkno
,
int
newval
,
int
alloc
,
int
level
)
{
metapage_t
*
mp
;
struct
metapage
*
mp
;
s8
oldroot
;
int
oldval
;
s64
lblkno
;
dmapctl_t
*
dcp
;
struct
dmapctl
*
dcp
;
int
rc
,
leafno
,
ti
;
/* get the buffer for the dmap control page for the specified
...
...
@@ -2384,7 +2396,7 @@ dbAdjCtl(bmap_t * bmp, s64 blkno, int newval, int alloc, int level)
mp
=
read_metapage
(
bmp
->
db_ipbmap
,
lblkno
,
PSIZE
,
0
);
if
(
mp
==
NULL
)
return
(
EIO
);
dcp
=
(
dmapctl_t
*
)
mp
->
data
;
dcp
=
(
struct
dmapctl
*
)
mp
->
data
;
/* determine the leaf number corresponding to the block and
* the index within the dmap control tree.
...
...
@@ -3064,12 +3076,12 @@ void fsDirty()
*/
int
dbAllocBottomUp
(
struct
inode
*
ip
,
s64
blkno
,
s64
nblocks
)
{
metapage_t
*
mp
;
dmap_t
*
dp
;
struct
metapage
*
mp
;
struct
dmap
*
dp
;
int
nb
,
rc
;
s64
lblkno
,
rem
;
struct
inode
*
ipbmap
=
JFS_SBI
(
ip
->
i_sb
)
->
ipbmap
;
bmap_t
*
bmp
=
JFS_SBI
(
ip
->
i_sb
)
->
bmap
;
struct
bmap
*
bmp
=
JFS_SBI
(
ip
->
i_sb
)
->
bmap
;
IREAD_LOCK
(
ipbmap
);
...
...
@@ -3093,7 +3105,7 @@ int dbAllocBottomUp(struct inode *ip, s64 blkno, s64 nblocks)
IREAD_UNLOCK
(
ipbmap
);
return
(
EIO
);
}
dp
=
(
dmap_t
*
)
mp
->
data
;
dp
=
(
struct
dmap
*
)
mp
->
data
;
/* determine the number of blocks to be allocated from
* this dmap.
...
...
@@ -3121,12 +3133,13 @@ int dbAllocBottomUp(struct inode *ip, s64 blkno, s64 nblocks)
}
static
int
dbAllocDmapBU
(
bmap_t
*
bmp
,
dmap_t
*
dp
,
s64
blkno
,
int
nblocks
)
static
int
dbAllocDmapBU
(
struct
bmap
*
bmp
,
struct
dmap
*
dp
,
s64
blkno
,
int
nblocks
)
{
int
rc
;
int
dbitno
,
word
,
rembits
,
nb
,
nwords
,
wbitno
,
agno
;
s8
oldroot
,
*
leaf
;
dmaptree_t
*
tp
=
(
dmaptree_t
*
)
&
dp
->
tree
;
struct
dmaptree
*
tp
=
(
struct
dmaptree
*
)
&
dp
->
tree
;
/* save the current value of the root (i.e. maximum free string)
* of the dmap tree.
...
...
@@ -3251,11 +3264,11 @@ int dbExtendFS(struct inode *ipbmap, s64 blkno, s64 nblocks)
int
i
,
i0
=
TRUE
,
j
,
j0
=
TRUE
,
k
,
n
;
s64
newsize
;
s64
p
;
metapage_t
*
mp
,
*
l2mp
,
*
l1mp
,
*
l0mp
;
dmapctl_t
*
l2dcp
,
*
l1dcp
,
*
l0dcp
;
dmap_t
*
dp
;
struct
metapage
*
mp
,
*
l2mp
,
*
l1mp
,
*
l0mp
;
struct
dmapctl
*
l2dcp
,
*
l1dcp
,
*
l0dcp
;
struct
dmap
*
dp
;
s8
*
l0leaf
,
*
l1leaf
,
*
l2leaf
;
bmap_t
*
bmp
=
sbi
->
bmap
;
struct
bmap
*
bmp
=
sbi
->
bmap
;
int
agno
,
l2agsize
,
oldl2agsize
;
s64
ag_rem
;
...
...
@@ -3331,7 +3344,7 @@ int dbExtendFS(struct inode *ipbmap, s64 blkno, s64 nblocks)
p
=
BMAPBLKNO
+
nbperpage
;
/* L2 page */
l2mp
=
read_metapage
(
ipbmap
,
p
,
PSIZE
,
0
);
assert
(
l2mp
);
l2dcp
=
(
dmapctl_t
*
)
l2mp
->
data
;
l2dcp
=
(
struct
dmapctl
*
)
l2mp
->
data
;
/* compute start L1 */
k
=
blkno
>>
L2MAXL1SIZE
;
...
...
@@ -3348,7 +3361,7 @@ int dbExtendFS(struct inode *ipbmap, s64 blkno, s64 nblocks)
l1mp
=
read_metapage
(
ipbmap
,
p
,
PSIZE
,
0
);
if
(
l1mp
==
NULL
)
goto
errout
;
l1dcp
=
(
dmapctl_t
*
)
l1mp
->
data
;
l1dcp
=
(
struct
dmapctl
*
)
l1mp
->
data
;
/* compute start L0 */
j
=
(
blkno
&
(
MAXL1SIZE
-
1
))
>>
L2MAXL0SIZE
;
...
...
@@ -3361,7 +3374,7 @@ int dbExtendFS(struct inode *ipbmap, s64 blkno, s64 nblocks)
if
(
l1mp
==
NULL
)
goto
errout
;
l1dcp
=
(
dmapctl_t
*
)
l1mp
->
data
;
l1dcp
=
(
struct
dmapctl
*
)
l1mp
->
data
;
/* compute start L0 */
j
=
0
;
...
...
@@ -3380,7 +3393,7 @@ int dbExtendFS(struct inode *ipbmap, s64 blkno, s64 nblocks)
l0mp
=
read_metapage
(
ipbmap
,
p
,
PSIZE
,
0
);
if
(
l0mp
==
NULL
)
goto
errout
;
l0dcp
=
(
dmapctl_t
*
)
l0mp
->
data
;
l0dcp
=
(
struct
dmapctl
*
)
l0mp
->
data
;
/* compute start dmap */
i
=
(
blkno
&
(
MAXL0SIZE
-
1
))
>>
...
...
@@ -3395,7 +3408,7 @@ int dbExtendFS(struct inode *ipbmap, s64 blkno, s64 nblocks)
if
(
l0mp
==
NULL
)
goto
errout
;
l0dcp
=
(
dmapctl_t
*
)
l0mp
->
data
;
l0dcp
=
(
struct
dmapctl
*
)
l0mp
->
data
;
/* compute start dmap */
i
=
0
;
...
...
@@ -3428,7 +3441,7 @@ int dbExtendFS(struct inode *ipbmap, s64 blkno, s64 nblocks)
n
=
min
(
nblocks
,
(
s64
)
BPERDMAP
);
}
dp
=
(
dmap_t
*
)
mp
->
data
;
dp
=
(
struct
dmap
*
)
mp
->
data
;
*
l0leaf
=
dbInitDmap
(
dp
,
blkno
,
n
);
bmp
->
db_nfree
+=
n
;
...
...
@@ -3510,7 +3523,7 @@ int dbExtendFS(struct inode *ipbmap, s64 blkno, s64 nblocks)
*/
void
dbFinalizeBmap
(
struct
inode
*
ipbmap
)
{
bmap_t
*
bmp
=
JFS_SBI
(
ipbmap
->
i_sb
)
->
bmap
;
struct
bmap
*
bmp
=
JFS_SBI
(
ipbmap
->
i_sb
)
->
bmap
;
int
actags
,
inactags
,
l2nl
;
s64
ag_rem
,
actfree
,
inactfree
,
avgfree
;
int
i
,
n
;
...
...
@@ -3600,7 +3613,7 @@ printk("bmap: agpref:%d aglevel:%d agheigth:%d agwidth:%d\n",
*
* RETURNS: NONE
*/
static
int
dbInitDmap
(
dmap_t
*
dp
,
s64
Blkno
,
int
nblocks
)
static
int
dbInitDmap
(
struct
dmap
*
dp
,
s64
Blkno
,
int
nblocks
)
{
int
blkno
,
w
,
b
,
r
,
nw
,
nb
,
i
;
/*
...
...
@@ -3713,9 +3726,9 @@ printk("sbh_dmap: in dbInitDmap, b:%ld w:%ld mask: %lx\n", b, w, (ONES>>b));
*
* RETURNS: max free string at the root of the tree
*/
static
int
dbInitDmapTree
(
dmap_t
*
dp
)
static
int
dbInitDmapTree
(
struct
dmap
*
dp
)
{
dmaptree_t
*
tp
;
struct
dmaptree
*
tp
;
s8
*
cp
;
int
i
;
...
...
@@ -3759,7 +3772,7 @@ static int dbInitDmapTree(dmap_t * dp)
*
* RETURNS: max free string at the root of the tree
*/
static
int
dbInitTree
(
dmaptree_t
*
dtp
)
static
int
dbInitTree
(
struct
dmaptree
*
dtp
)
{
int
l2max
,
l2free
,
bsize
,
nextb
,
i
;
int
child
,
parent
,
nparent
;
...
...
@@ -3834,7 +3847,7 @@ static int dbInitTree(dmaptree_t * dtp)
*
* function: initialize dmapctl page
*/
static
int
dbInitDmapCtl
(
dmapctl_t
*
dcp
,
int
level
,
int
i
)
static
int
dbInitDmapCtl
(
struct
dmapctl
*
dcp
,
int
level
,
int
i
)
{
/* start leaf index not covered by range */
s8
*
cp
;
...
...
@@ -3854,7 +3867,7 @@ static int dbInitDmapCtl(dmapctl_t * dcp, int level, int i)
*
cp
++
=
NOFREE
;
/* build the dmap's binary buddy summary tree */
return
(
dbInitTree
((
dmaptree_t
*
)
dcp
));
return
(
dbInitTree
((
struct
dmaptree
*
)
dcp
));
}
...
...
@@ -3969,8 +3982,8 @@ static void DBinitmap(s64 size, struct inode *ipbmap, u32 ** results)
u32
*
dbmap
,
*
d
;
int
n
;
s64
lblkno
,
cur_block
;
dmap_t
*
dp
;
metapage_t
*
mp
;
struct
dmap
*
dp
;
struct
metapage
*
mp
;
npages
=
size
/
32768
;
npages
+=
(
size
%
32768
)
?
1
:
0
;
...
...
@@ -3993,7 +4006,7 @@ static void DBinitmap(s64 size, struct inode *ipbmap, u32 ** results)
if
(
mp
==
NULL
)
{
assert
(
0
);
}
dp
=
(
dmap_t
*
)
mp
->
data
;
dp
=
(
struct
dmap
*
)
mp
->
data
;
for
(
n
=
0
;
n
<
LPERDMAP
;
n
++
)
d
[
n
]
=
le32_to_cpu
(
dp
->
wmap
[
n
]);
...
...
@@ -4122,7 +4135,7 @@ static void DBFreeCK(uint * dbmap, s64 mapsize, s64 blkno, s64 nblocks)
/*
* dbPrtMap()
*/
static
void
dbPrtMap
(
bmap_t
*
bmp
)
static
void
dbPrtMap
(
struct
bmap
*
bmp
)
{
printk
(
" mapsize: %d%d
\n
"
,
bmp
->
db_mapsize
);
printk
(
" nfree: %d%d
\n
"
,
bmp
->
db_nfree
);
...
...
@@ -4143,7 +4156,7 @@ static void dbPrtMap(bmap_t * bmp)
/*
* dbPrtCtl()
*/
static
void
dbPrtCtl
(
dmapctl_t
*
dcp
)
static
void
dbPrtCtl
(
struct
dmapctl
*
dcp
)
{
int
i
,
j
,
n
;
...
...
fs/jfs/jfs_dmap.h
View file @
8916919b
...
...
@@ -142,9 +142,9 @@ static __inline signed char TREEMAX(signed char *cp)
/*
* dmap summary tree
*
* dmaptree
_t must be consistent with dmapctl_t
.
* dmaptree
must be consistent with dmapctl
.
*/
typedef
struct
{
struct
dmaptree
{
s32
nleafs
;
/* 4: number of tree leafs */
s32
l2nleafs
;
/* 4: l2 number of tree leafs */
s32
leafidx
;
/* 4: index of first tree leaf */
...
...
@@ -152,27 +152,27 @@ typedef struct {
s8
budmin
;
/* 1: min l2 tree leaf value to combine */
s8
stree
[
TREESIZE
];
/* TREESIZE: tree */
u8
pad
[
2
];
/* 2: pad to word boundary */
}
dmaptree_t
;
/* - 360 - */
}
;
/* - 360 - */
/*
* dmap page per 8K blocks bitmap
*/
typedef
struct
{
struct
dmap
{
s32
nblocks
;
/* 4: num blks covered by this dmap */
s32
nfree
;
/* 4: num of free blks in this dmap */
s64
start
;
/* 8: starting blkno for this dmap */
dmaptree_t
tree
;
/* 360: dmap tree */
struct
dmaptree
tree
;
/* 360: dmap tree */
u8
pad
[
1672
];
/* 1672: pad to 2048 bytes */
u32
wmap
[
LPERDMAP
];
/* 1024: bits of the working map */
u32
pmap
[
LPERDMAP
];
/* 1024: bits of the persistent map */
}
dmap_t
;
/* - 4096 - */
}
;
/* - 4096 - */
/*
* disk map control page per level.
*
* dmapctl
_t must be consistent with dmaptree_t
.
* dmapctl
must be consistent with dmaptree
.
*/
typedef
struct
{
struct
dmapctl
{
s32
nleafs
;
/* 4: number of tree leafs */
s32
l2nleafs
;
/* 4: l2 number of tree leafs */
s32
leafidx
;
/* 4: index of the first tree leaf */
...
...
@@ -180,17 +180,17 @@ typedef struct {
s8
budmin
;
/* 1: minimum l2 tree leaf value */
s8
stree
[
CTLTREESIZE
];
/* CTLTREESIZE: dmapctl tree */
u8
pad
[
2714
];
/* 2714: pad to 4096 */
}
dmapctl_t
;
/* - 4096 - */
}
;
/* - 4096 - */
/*
* common definition for dmaptree
_t
within dmap and dmapctl
* common definition for dmaptree within dmap and dmapctl
*/
typedef
union
{
dmaptree_t
t1
;
dmapctl_t
t2
;
typedef
union
dmtree
{
struct
dmaptree
t1
;
struct
dmapctl
t2
;
}
dmtree_t
;
/* macros for accessing fields within dmtree
_t
*/
/* macros for accessing fields within dmtree */
#define dmt_nleafs t1.nleafs
#define dmt_l2nleafs t1.l2nleafs
#define dmt_leafidx t1.leafidx
...
...
@@ -201,7 +201,7 @@ typedef union {
/*
* on-disk aggregate disk allocation map descriptor.
*/
typedef
struct
{
struct
dbmap
{
s64
dn_mapsize
;
/* 8: number of blocks in aggregate */
s64
dn_nfree
;
/* 8: num free blks in aggregate map */
s32
dn_l2nbperpage
;
/* 4: number of blks per page */
...
...
@@ -218,17 +218,17 @@ typedef struct {
s64
dn_agsize
;
/* 8: num of blks per alloc group */
s8
dn_maxfreebud
;
/* 1: max free buddy system */
u8
pad
[
3007
];
/* 3007: pad to 4096 */
}
dbmap_t
;
/* - 4096 - */
}
;
/* - 4096 - */
/*
* in-memory aggregate disk allocation map descriptor.
*/
typedef
struct
bmap
{
dbmap_t
db_bmap
;
/* on-disk aggregate map descriptor */
struct
bmap
{
struct
dbmap
db_bmap
;
/* on-disk aggregate map descriptor */
struct
inode
*
db_ipbmap
;
/* ptr to aggregate map incore inode */
struct
semaphore
db_bmaplock
;
/* aggregate map lock */
u32
*
db_DBmap
;
}
bmap_t
;
};
/* macros for accessing fields within in-memory aggregate map descriptor */
#define db_mapsize db_bmap.dn_mapsize
...
...
@@ -279,7 +279,7 @@ extern int dbUnmount(struct inode *ipbmap, int mounterror);
extern
int
dbFree
(
struct
inode
*
ipbmap
,
s64
blkno
,
s64
nblocks
);
extern
int
dbUpdatePMap
(
struct
inode
*
ipbmap
,
int
free
,
s64
blkno
,
s64
nblocks
,
tblock_t
*
tblk
);
int
free
,
s64
blkno
,
s64
nblocks
,
struct
tblock
*
tblk
);
extern
int
dbNextAG
(
struct
inode
*
ipbmap
);
...
...
fs/jfs/jfs_dtree.c
View file @
8916919b
...
...
@@ -110,14 +110,14 @@
#include "jfs_debug.h"
/* dtree split parameter */
typedef
struc
t
{
metapage_t
*
mp
;
struct
dtspli
t
{
struct
metapage
*
mp
;
s16
index
;
s16
nslot
;
component_t
*
key
;
struct
component_name
*
key
;
ddata_t
*
data
;
pxdlist_
t
*
pxdlist
;
}
dtsplit_t
;
struct
pxdlis
t
*
pxdlist
;
};
#define DT_PAGE(IP, MP) BT_PAGE(IP, MP, dtpage_t, i_dtroot)
...
...
@@ -149,51 +149,53 @@ typedef struct {
* forward references
*/
static
int
dtSplitUp
(
tid_t
tid
,
struct
inode
*
ip
,
dtsplit_t
*
split
,
btstack_t
*
btstack
);
struct
dtsplit
*
split
,
struct
btstack
*
btstack
);
static
int
dtSplitPage
(
tid_t
tid
,
struct
inode
*
ip
,
dtsplit_
t
*
split
,
metapage_t
**
rmpp
,
dtpage_t
**
rpp
,
pxd_t
*
rxdp
);
static
int
dtSplitPage
(
tid_t
tid
,
struct
inode
*
ip
,
struct
dtspli
t
*
split
,
struct
metapage
**
rmpp
,
dtpage_t
**
rpp
,
pxd_t
*
rxdp
);
static
int
dtExtendPage
(
tid_t
tid
,
struct
inode
*
ip
,
dtsplit_t
*
split
,
btstack_t
*
btstack
);
struct
dtsplit
*
split
,
struct
btstack
*
btstack
);
static
int
dtSplitRoot
(
tid_t
tid
,
struct
inode
*
ip
,
dtsplit_t
*
split
,
metapage_t
**
rmpp
);
struct
dtsplit
*
split
,
struct
metapage
**
rmpp
);
static
int
dtDeleteUp
(
tid_t
tid
,
struct
inode
*
ip
,
metapage_t
*
fmp
,
dtpage_t
*
fp
,
btstack_t
*
btstack
);
static
int
dtDeleteUp
(
tid_t
tid
,
struct
inode
*
ip
,
struct
metapage
*
fmp
,
dtpage_t
*
fp
,
struct
btstack
*
btstack
);
static
int
dtSearchNode
(
struct
inode
*
ip
,
s64
lmxaddr
,
pxd_t
*
kpxd
,
btstack_t
*
btstack
);
s64
lmxaddr
,
pxd_t
*
kpxd
,
struct
btstack
*
btstack
);
static
int
dtRelink
(
tid_t
tid
,
struct
inode
*
ip
,
dtpage_t
*
p
);
static
int
dtReadFirst
(
struct
inode
*
ip
,
btstack_t
*
btstack
);
static
int
dtReadFirst
(
struct
inode
*
ip
,
struct
btstack
*
btstack
);
static
int
dtReadNext
(
struct
inode
*
ip
,
loff_t
*
offset
,
btstack_t
*
btstack
);
loff_t
*
offset
,
struct
btstack
*
btstack
);
static
int
dtCompare
(
component_t
*
key
,
dtpage_t
*
p
,
int
si
);
static
int
dtCompare
(
struct
component_name
*
key
,
dtpage_t
*
p
,
int
si
);
static
int
ciCompare
(
component_t
*
key
,
dtpage_t
*
p
,
int
si
,
int
flag
);
static
int
ciCompare
(
struct
component_name
*
key
,
dtpage_t
*
p
,
int
si
,
int
flag
);
static
void
dtGetKey
(
dtpage_t
*
p
,
int
i
,
component_t
*
key
,
int
flag
);
static
void
dtGetKey
(
dtpage_t
*
p
,
int
i
,
struct
component_name
*
key
,
int
flag
);
static
void
ciGetLeafPrefixKey
(
dtpage_t
*
lp
,
int
li
,
dtpage_t
*
rp
,
int
ri
,
component_t
*
key
,
int
flag
);
int
ri
,
struct
component_name
*
key
,
int
flag
);
static
void
dtInsertEntry
(
dtpage_t
*
p
,
int
index
,
component_t
*
key
,
ddata_t
*
data
,
dtlock_t
**
dtlock
);
static
void
dtInsertEntry
(
dtpage_t
*
p
,
int
index
,
struct
component_name
*
key
,
ddata_t
*
data
,
struct
dt_lock
**
);
static
void
dtMoveEntry
(
dtpage_t
*
sp
,
int
si
,
dtpage_t
*
dp
,
dtlock_t
**
sdtlock
,
dtlock_t
**
ddtlock
,
struct
dt_lock
**
sdtlock
,
struct
dt_lock
**
ddtlock
,
int
do_index
);
static
void
dtDeleteEntry
(
dtpage_t
*
p
,
int
fi
,
dtlock_t
**
dtlock
);
static
void
dtDeleteEntry
(
dtpage_t
*
p
,
int
fi
,
struct
dt_lock
**
dtlock
);
static
void
dtTruncateEntry
(
dtpage_t
*
p
,
int
ti
,
dtlock_t
**
dtlock
);
static
void
dtTruncateEntry
(
dtpage_t
*
p
,
int
ti
,
struct
dt_lock
**
dtlock
);
static
void
dtLinelockFreelist
(
dtpage_t
*
p
,
int
m
,
dtlock_t
**
dtlock
);
static
void
dtLinelockFreelist
(
dtpage_t
*
p
,
int
m
,
struct
dt_lock
**
dtlock
);
#define ciToUpper(c) UniStrupr((c)->name)
...
...
@@ -205,14 +207,14 @@ static void dtLinelockFreelist(dtpage_t * p, int m, dtlock_t ** dtlock);
*
* mp must be released by caller.
*/
static
dir_table_slot_
t
*
find_index
(
struct
inode
*
ip
,
u32
index
,
metapage_t
**
mp
)
static
struct
dir_table_slo
t
*
find_index
(
struct
inode
*
ip
,
u32
index
,
struct
metapage
**
mp
)
{
struct
jfs_inode_info
*
jfs_ip
=
JFS_IP
(
ip
);
s64
blkno
;
s64
offset
;
int
page_offset
;
dir_table_slot_
t
*
slot
;
struct
dir_table_slo
t
*
slot
;
static
int
maxWarnings
=
10
;
if
(
index
<
2
)
{
...
...
@@ -236,7 +238,7 @@ static dir_table_slot_t *find_index(struct inode *ip, u32 index,
*
mp
=
0
;
slot
=
&
jfs_ip
->
i_dirtable
[
index
-
2
];
}
else
{
offset
=
(
index
-
2
)
*
sizeof
(
dir_table_slot_
t
);
offset
=
(
index
-
2
)
*
sizeof
(
struct
dir_table_slo
t
);
page_offset
=
offset
&
(
PSIZE
-
1
);
blkno
=
((
offset
+
1
)
>>
L2PSIZE
)
<<
JFS_SBI
(
ip
->
i_sb
)
->
l2nbperpage
;
...
...
@@ -254,21 +256,21 @@ static dir_table_slot_t *find_index(struct inode *ip, u32 index,
}
slot
=
(
dir_table_slot_
t
*
)
((
char
*
)
(
*
mp
)
->
data
+
(
struct
dir_table_slo
t
*
)
((
char
*
)
(
*
mp
)
->
data
+
page_offset
);
}
return
slot
;
}
static
inline
void
lock_index
(
tid_t
tid
,
struct
inode
*
ip
,
metapage_t
*
mp
,
static
inline
void
lock_index
(
tid_t
tid
,
struct
inode
*
ip
,
struct
metapage
*
mp
,
u32
index
)
{
tlock_t
*
tlck
;
linelock_t
*
llck
;
lv_t
*
lv
;
struct
tlock
*
tlck
;
struct
linelock
*
llck
;
struct
lv
*
lv
;
tlck
=
txLock
(
tid
,
ip
,
mp
,
tlckDATA
);
llck
=
(
linelock_t
*
)
tlck
->
lock
;
llck
=
(
struct
linelock
*
)
tlck
->
lock
;
if
(
llck
->
index
>=
llck
->
maxcnt
)
llck
=
txLinelock
(
llck
);
...
...
@@ -296,15 +298,15 @@ static u32 add_index(tid_t tid, struct inode *ip, s64 bn, int slot)
struct
jfs_sb_info
*
sbi
=
JFS_SBI
(
sb
);
struct
jfs_inode_info
*
jfs_ip
=
JFS_IP
(
ip
);
u64
blkno
;
dir_table_slot_
t
*
dirtab_slot
;
struct
dir_table_slo
t
*
dirtab_slot
;
u32
index
;
linelock_t
*
llck
;
lv_t
*
lv
;
metapage_t
*
mp
;
struct
linelock
*
llck
;
struct
lv
*
lv
;
struct
metapage
*
mp
;
s64
offset
;
uint
page_offset
;
int
rc
;
tlock_t
*
tlck
;
struct
tlock
*
tlck
;
s64
xaddr
;
ASSERT
(
DO_INDEX
(
ip
));
...
...
@@ -345,7 +347,7 @@ static u32 add_index(tid_t tid, struct inode *ip, s64 bn, int slot)
* Save the table, we're going to overwrite it with the
* xtree root
*/
dir_table_slot_
t
temp_table
[
12
];
struct
dir_table_slo
t
temp_table
[
12
];
memcpy
(
temp_table
,
&
jfs_ip
->
i_dirtable
,
sizeof
(
temp_table
));
/*
...
...
@@ -372,7 +374,7 @@ static u32 add_index(tid_t tid, struct inode *ip, s64 bn, int slot)
return
-
1
;
}
tlck
=
txLock
(
tid
,
ip
,
mp
,
tlckDATA
);
llck
=
(
linelock_t
*
)
&
tlck
->
lock
;
llck
=
(
struct
linelock
*
)
&
tlck
->
lock
;
ASSERT
(
llck
->
index
==
0
);
lv
=
&
llck
->
lv
[
0
];
...
...
@@ -391,7 +393,7 @@ static u32 add_index(tid_t tid, struct inode *ip, s64 bn, int slot)
clear_cflag
(
COMMIT_Dirtable
,
ip
);
}
offset
=
(
index
-
2
)
*
sizeof
(
dir_table_slot_
t
);
offset
=
(
index
-
2
)
*
sizeof
(
struct
dir_table_slo
t
);
page_offset
=
offset
&
(
PSIZE
-
1
);
blkno
=
((
offset
+
1
)
>>
L2PSIZE
)
<<
sbi
->
l2nbperpage
;
if
(
page_offset
==
0
)
{
...
...
@@ -424,7 +426,7 @@ static u32 add_index(tid_t tid, struct inode *ip, s64 bn, int slot)
lock_index
(
tid
,
ip
,
mp
,
index
);
dirtab_slot
=
(
dir_table_slot_
t
*
)
((
char
*
)
mp
->
data
+
page_offset
);
(
struct
dir_table_slo
t
*
)
((
char
*
)
mp
->
data
+
page_offset
);
dirtab_slot
->
flag
=
DIR_INDEX_VALID
;
dirtab_slot
->
slot
=
slot
;
DTSaddress
(
dirtab_slot
,
bn
);
...
...
@@ -442,8 +444,8 @@ static u32 add_index(tid_t tid, struct inode *ip, s64 bn, int slot)
*/
static
void
free_index
(
tid_t
tid
,
struct
inode
*
ip
,
u32
index
,
u32
next
)
{
dir_table_slot_
t
*
dirtab_slot
;
metapage_t
*
mp
=
0
;
struct
dir_table_slo
t
*
dirtab_slot
;
struct
metapage
*
mp
=
0
;
dirtab_slot
=
find_index
(
ip
,
index
,
&
mp
);
...
...
@@ -468,9 +470,9 @@ static void free_index(tid_t tid, struct inode *ip, u32 index, u32 next)
* Changes an entry in the directory index table
*/
static
void
modify_index
(
tid_t
tid
,
struct
inode
*
ip
,
u32
index
,
s64
bn
,
int
slot
,
metapage_t
**
mp
)
int
slot
,
struct
metapage
**
mp
)
{
dir_table_slot_
t
*
dirtab_slot
;
struct
dir_table_slo
t
*
dirtab_slot
;
dirtab_slot
=
find_index
(
ip
,
index
,
mp
);
...
...
@@ -493,17 +495,17 @@ static void modify_index(tid_t tid, struct inode *ip, u32 index, s64 bn,
* reads a directory table slot
*/
static
int
get_index
(
struct
inode
*
ip
,
u32
index
,
dir_table_slot_
t
*
dirtab_slot
)
struct
dir_table_slo
t
*
dirtab_slot
)
{
metapage_t
*
mp
=
0
;
dir_table_slot_
t
*
slot
;
struct
metapage
*
mp
=
0
;
struct
dir_table_slo
t
*
slot
;
slot
=
find_index
(
ip
,
index
,
&
mp
);
if
(
slot
==
0
)
{
return
-
EIO
;
}
memcpy
(
dirtab_slot
,
slot
,
sizeof
(
dir_table_slot_
t
));
memcpy
(
dirtab_slot
,
slot
,
sizeof
(
struct
dir_table_slo
t
));
if
(
mp
)
release_metapage
(
mp
);
...
...
@@ -522,21 +524,21 @@ static int get_index(struct inode *ip, u32 index,
* return: 0 - search result on stack, leaf page pinned;
* errno - I/O error
*/
int
dtSearch
(
struct
inode
*
ip
,
component_t
*
key
,
ino_t
*
data
,
btstack_t
*
btstack
,
int
flag
)
int
dtSearch
(
struct
inode
*
ip
,
struct
component_name
*
key
,
ino_t
*
data
,
struct
btstack
*
btstack
,
int
flag
)
{
int
rc
=
0
;
int
cmp
=
1
;
/* init for empty page */
s64
bn
;
metapage_t
*
mp
;
struct
metapage
*
mp
;
dtpage_t
*
p
;
s8
*
stbl
;
int
base
,
index
,
lim
;
btframe_t
*
btsp
;
struct
btframe
*
btsp
;
pxd_t
*
pxd
;
int
psize
=
288
;
/* initial in-line directory */
ino_t
inumber
;
component_t
ciKey
;
struct
component_name
ciKey
;
struct
super_block
*
sb
=
ip
->
i_sb
;
ciKey
.
name
=
...
...
@@ -613,7 +615,7 @@ int dtSearch(struct inode *ip,
*/
if
(
p
->
header
.
flag
&
BT_LEAF
)
{
inumber
=
le32_to_cpu
(
((
ldtentry_t
*
)
&
p
->
slot
[
stbl
[
index
]])
->
inumber
);
((
struct
ldtentry
*
)
&
p
->
slot
[
stbl
[
index
]])
->
inumber
);
/*
* search for JFS_LOOKUP
...
...
@@ -766,19 +768,19 @@ int dtSearch(struct inode *ip,
* errno - failure;
*/
int
dtInsert
(
tid_t
tid
,
struct
inode
*
ip
,
component_t
*
name
,
ino_t
*
fsn
,
btstack_t
*
btstack
)
struct
component_name
*
name
,
ino_t
*
fsn
,
struct
btstack
*
btstack
)
{
int
rc
=
0
;
metapage_t
*
mp
;
/* meta-page buffer */
struct
metapage
*
mp
;
/* meta-page buffer */
dtpage_t
*
p
;
/* base B+-tree index page */
s64
bn
;
int
index
;
dtsplit_
t
split
;
/* split information */
struct
dtspli
t
split
;
/* split information */
ddata_t
data
;
dtlock_t
*
dtlck
;
struct
dt_lock
*
dtlck
;
int
n
;
tlock_t
*
tlck
;
lv_t
*
lv
;
struct
tlock
*
tlck
;
struct
lv
*
lv
;
/*
* retrieve search result
...
...
@@ -833,9 +835,9 @@ int dtInsert(tid_t tid, struct inode *ip,
* acquire a transaction lock on the leaf page
*/
tlck
=
txLock
(
tid
,
ip
,
mp
,
tlckDTREE
|
tlckENTRY
);
dtlck
=
(
dtlock_t
*
)
&
tlck
->
lock
;
dtlck
=
(
struct
dt_lock
*
)
&
tlck
->
lock
;
ASSERT
(
dtlck
->
index
==
0
);
lv
=
(
lv_t
*
)
&
dtlck
->
lv
[
0
];
lv
=
&
dtlck
->
lv
[
0
];
/* linelock header */
lv
->
offset
=
0
;
...
...
@@ -847,8 +849,8 @@ int dtInsert(tid_t tid, struct inode *ip,
/* linelock stbl of non-root leaf page */
if
(
!
(
p
->
header
.
flag
&
BT_ROOT
))
{
if
(
dtlck
->
index
>=
dtlck
->
maxcnt
)
dtlck
=
(
dtlock_t
*
)
txLinelock
(
dtlck
);
lv
=
(
lv_t
*
)
&
dtlck
->
lv
[
dtlck
->
index
];
dtlck
=
(
struct
dt_lock
*
)
txLinelock
(
dtlck
);
lv
=
&
dtlck
->
lv
[
dtlck
->
index
];
n
=
index
>>
L2DTSLOTSIZE
;
lv
->
offset
=
p
->
header
.
stblindex
+
n
;
lv
->
length
=
...
...
@@ -875,29 +877,29 @@ int dtInsert(tid_t tid, struct inode *ip,
* leaf page unpinned;
*/
static
int
dtSplitUp
(
tid_t
tid
,
struct
inode
*
ip
,
dtsplit_t
*
split
,
btstack_t
*
btstack
)
struct
inode
*
ip
,
struct
dtsplit
*
split
,
struct
btstack
*
btstack
)
{
struct
jfs_sb_info
*
sbi
=
JFS_SBI
(
ip
->
i_sb
);
int
rc
=
0
;
metapage_t
*
smp
;
struct
metapage
*
smp
;
dtpage_t
*
sp
;
/* split page */
metapage_t
*
rmp
;
struct
metapage
*
rmp
;
dtpage_t
*
rp
;
/* new right page split from sp */
pxd_t
rpxd
;
/* new right page extent descriptor */
metapage_t
*
lmp
;
struct
metapage
*
lmp
;
dtpage_t
*
lp
;
/* left child page */
int
skip
;
/* index of entry of insertion */
btframe_t
*
parent
;
/* parent page entry on traverse stack */
struct
btframe
*
parent
;
/* parent page entry on traverse stack */
s64
xaddr
,
nxaddr
;
int
xlen
,
xsize
;
pxdlist_
t
pxdlist
;
struct
pxdlis
t
pxdlist
;
pxd_t
*
pxd
;
component_t
key
=
{
0
,
0
};
struct
component_name
key
=
{
0
,
0
};
ddata_t
*
data
=
split
->
data
;
int
n
;
dtlock_t
*
dtlck
;
tlock_t
*
tlck
;
lv_t
*
lv
;
struct
dt_lock
*
dtlck
;
struct
tlock
*
tlck
;
struct
lv
*
lv
;
/* get split page */
smp
=
split
->
mp
;
...
...
@@ -1183,9 +1185,9 @@ static int dtSplitUp(tid_t tid,
* acquire a transaction lock on the parent page
*/
tlck
=
txLock
(
tid
,
ip
,
smp
,
tlckDTREE
|
tlckENTRY
);
dtlck
=
(
dtlock_t
*
)
&
tlck
->
lock
;
dtlck
=
(
struct
dt_lock
*
)
&
tlck
->
lock
;
ASSERT
(
dtlck
->
index
==
0
);
lv
=
(
lv_t
*
)
&
dtlck
->
lv
[
0
];
lv
=
&
dtlck
->
lv
[
0
];
/* linelock header */
lv
->
offset
=
0
;
...
...
@@ -1243,32 +1245,32 @@ static int dtSplitUp(tid_t tid,
* errno - failure;
* return split and new page pinned;
*/
static
int
dtSplitPage
(
tid_t
tid
,
struct
inode
*
ip
,
dtsplit_
t
*
split
,
metapage_t
**
rmpp
,
dtpage_t
**
rpp
,
pxd_t
*
rpxdp
)
static
int
dtSplitPage
(
tid_t
tid
,
struct
inode
*
ip
,
struct
dtspli
t
*
split
,
struct
metapage
**
rmpp
,
dtpage_t
**
rpp
,
pxd_t
*
rpxdp
)
{
struct
super_block
*
sb
=
ip
->
i_sb
;
int
rc
=
0
;
metapage_t
*
smp
;
struct
metapage
*
smp
;
dtpage_t
*
sp
;
metapage_t
*
rmp
;
struct
metapage
*
rmp
;
dtpage_t
*
rp
;
/* new right page allocated */
s64
rbn
;
/* new right page block number */
metapage_t
*
mp
;
struct
metapage
*
mp
;
dtpage_t
*
p
;
s64
nextbn
;
pxdlist_
t
*
pxdlist
;
struct
pxdlis
t
*
pxdlist
;
pxd_t
*
pxd
;
int
skip
,
nextindex
,
half
,
left
,
nxt
,
off
,
si
;
ldtentry_t
*
ldtentry
;
idtentry_t
*
idtentry
;
struct
ldtentry
*
ldtentry
;
struct
idtentry
*
idtentry
;
u8
*
stbl
;
dtslot_
t
*
f
;
struct
dtslo
t
*
f
;
int
fsi
,
stblsize
;
int
n
;
dtlock_t
*
sdtlck
,
*
rdtlck
;
tlock_t
*
tlck
;
dtlock_t
*
dtlck
;
lv_t
*
slv
,
*
rlv
,
*
lv
;
struct
dt_lock
*
sdtlck
,
*
rdtlck
;
struct
tlock
*
tlck
;
struct
dt_lock
*
dtlck
;
struct
lv
*
slv
,
*
rlv
,
*
lv
;
/* get split page */
smp
=
split
->
mp
;
...
...
@@ -1293,7 +1295,7 @@ static int dtSplitPage(tid_t tid, struct inode *ip, dtsplit_t * split,
* acquire a transaction lock on the new right page
*/
tlck
=
txLock
(
tid
,
ip
,
rmp
,
tlckDTREE
|
tlckNEW
);
rdtlck
=
(
dtlock_t
*
)
&
tlck
->
lock
;
rdtlck
=
(
struct
dt_lock
*
)
&
tlck
->
lock
;
rp
=
(
dtpage_t
*
)
rmp
->
data
;
*
rpp
=
rp
;
...
...
@@ -1306,11 +1308,11 @@ static int dtSplitPage(tid_t tid, struct inode *ip, dtsplit_t * split,
* action:
*/
tlck
=
txLock
(
tid
,
ip
,
smp
,
tlckDTREE
|
tlckENTRY
);
sdtlck
=
(
dtlock_t
*
)
&
tlck
->
lock
;
sdtlck
=
(
struct
dt_lock
*
)
&
tlck
->
lock
;
/* linelock header of split page */
ASSERT
(
sdtlck
->
index
==
0
);
slv
=
(
lv_t
*
)
&
sdtlck
->
lv
[
0
];
slv
=
&
sdtlck
->
lv
[
0
];
slv
->
offset
=
0
;
slv
->
length
=
1
;
sdtlck
->
index
++
;
...
...
@@ -1356,7 +1358,7 @@ static int dtSplitPage(tid_t tid, struct inode *ip, dtsplit_t * split,
*/
if
(
nextbn
==
0
&&
split
->
index
==
sp
->
header
.
nextindex
)
{
/* linelock header + stbl (first slot) of new page */
rlv
=
(
lv_t
*
)
&
rdtlck
->
lv
[
rdtlck
->
index
];
rlv
=
&
rdtlck
->
lv
[
rdtlck
->
index
];
rlv
->
offset
=
0
;
rlv
->
length
=
2
;
rdtlck
->
index
++
;
...
...
@@ -1395,10 +1397,10 @@ static int dtSplitPage(tid_t tid, struct inode *ip, dtsplit_t * split,
jEVENT
(
0
,
(
"dtSplitPage: tlck = 0x%p, ip = 0x%p, mp=0x%p
\n
"
,
tlck
,
ip
,
mp
));
dtlck
=
(
dtlock_t
*
)
&
tlck
->
lock
;
dtlck
=
(
struct
dt_lock
*
)
&
tlck
->
lock
;
/* linelock header of previous right sibling page */
lv
=
(
lv_t
*
)
&
dtlck
->
lv
[
dtlck
->
index
];
lv
=
&
dtlck
->
lv
[
dtlck
->
index
];
lv
->
offset
=
0
;
lv
->
length
=
1
;
dtlck
->
index
++
;
...
...
@@ -1431,7 +1433,7 @@ static int dtSplitPage(tid_t tid, struct inode *ip, dtsplit_t * split,
si
=
stbl
[
nxt
];
switch
(
sp
->
header
.
flag
&
BT_TYPE
)
{
case
BT_LEAF
:
ldtentry
=
(
ldtentry_t
*
)
&
sp
->
slot
[
si
];
ldtentry
=
(
struct
ldtentry
*
)
&
sp
->
slot
[
si
];
if
(
DO_INDEX
(
ip
))
n
=
NDTLEAF
(
ldtentry
->
namlen
);
else
...
...
@@ -1440,7 +1442,7 @@ static int dtSplitPage(tid_t tid, struct inode *ip, dtsplit_t * split,
break
;
case
BT_INTERNAL
:
idtentry
=
(
idtentry_t
*
)
&
sp
->
slot
[
si
];
idtentry
=
(
struct
idtentry
*
)
&
sp
->
slot
[
si
];
n
=
NDTINTERNAL
(
idtentry
->
namlen
);
break
;
...
...
@@ -1467,7 +1469,7 @@ static int dtSplitPage(tid_t tid, struct inode *ip, dtsplit_t * split,
* new/right page moved in entries are linelocked;
*/
/* linelock header + stbl of new right page */
rlv
=
(
lv_t
*
)
&
rdtlck
->
lv
[
rdtlck
->
index
];
rlv
=
&
rdtlck
->
lv
[
rdtlck
->
index
];
rlv
->
offset
=
0
;
rlv
->
length
=
5
;
rdtlck
->
index
++
;
...
...
@@ -1492,7 +1494,7 @@ static int dtSplitPage(tid_t tid, struct inode *ip, dtsplit_t * split,
mp
=
0
;
stbl
=
DT_GETSTBL
(
rp
);
for
(
n
=
0
;
n
<
rp
->
header
.
nextindex
;
n
++
)
{
ldtentry
=
(
ldtentry_t
*
)
&
rp
->
slot
[
stbl
[
n
]];
ldtentry
=
(
struct
ldtentry
*
)
&
rp
->
slot
[
stbl
[
n
]];
modify_index
(
tid
,
ip
,
le32_to_cpu
(
ldtentry
->
index
),
rbn
,
n
,
&
mp
);
}
...
...
@@ -1509,8 +1511,8 @@ static int dtSplitPage(tid_t tid, struct inode *ip, dtsplit_t * split,
/* linelock stbl of split page */
if
(
sdtlck
->
index
>=
sdtlck
->
maxcnt
)
sdtlck
=
(
dtlock_t
*
)
txLinelock
(
sdtlck
);
slv
=
(
lv_t
*
)
&
sdtlck
->
lv
[
sdtlck
->
index
];
sdtlck
=
(
struct
dt_lock
*
)
txLinelock
(
sdtlck
);
slv
=
&
sdtlck
->
lv
[
sdtlck
->
index
];
n
=
skip
>>
L2DTSLOTSIZE
;
slv
->
offset
=
sp
->
header
.
stblindex
+
n
;
slv
->
length
=
...
...
@@ -1551,28 +1553,28 @@ static int dtSplitPage(tid_t tid, struct inode *ip, dtsplit_t * split,
* return extended page pinned;
*/
static
int
dtExtendPage
(
tid_t
tid
,
struct
inode
*
ip
,
dtsplit_t
*
split
,
btstack_t
*
btstack
)
struct
inode
*
ip
,
struct
dtsplit
*
split
,
struct
btstack
*
btstack
)
{
struct
super_block
*
sb
=
ip
->
i_sb
;
int
rc
;
metapage_t
*
smp
,
*
pmp
,
*
mp
;
struct
metapage
*
smp
,
*
pmp
,
*
mp
;
dtpage_t
*
sp
,
*
pp
;
pxdlist_
t
*
pxdlist
;
struct
pxdlis
t
*
pxdlist
;
pxd_t
*
pxd
,
*
tpxd
;
int
xlen
,
xsize
;
int
newstblindex
,
newstblsize
;
int
oldstblindex
,
oldstblsize
;
int
fsi
,
last
;
dtslot_
t
*
f
;
btframe_t
*
parent
;
struct
dtslo
t
*
f
;
struct
btframe
*
parent
;
int
n
;
dtlock_t
*
dtlck
;
struct
dt_lock
*
dtlck
;
s64
xaddr
,
txaddr
;
tlock_t
*
tlck
;
pxdlock_t
*
pxdlock
;
lv_t
*
lv
;
struct
tlock
*
tlck
;
struct
pxd_lock
*
pxdlock
;
struct
lv
*
lv
;
uint
type
;
ldtentry_t
*
ldtentry
;
struct
ldtentry
*
ldtentry
;
u8
*
stbl
;
/* get page to extend */
...
...
@@ -1605,7 +1607,7 @@ static int dtExtendPage(tid_t tid,
/* save moved extent descriptor for later free */
tlck
=
txMaplock
(
tid
,
ip
,
tlckDTREE
|
tlckRELOCATE
);
pxdlock
=
(
pxdlock_t
*
)
&
tlck
->
lock
;
pxdlock
=
(
struct
pxd_lock
*
)
&
tlck
->
lock
;
pxdlock
->
flag
=
mlckFREEPXD
;
pxdlock
->
pxd
=
sp
->
header
.
self
;
pxdlock
->
index
=
1
;
...
...
@@ -1618,7 +1620,7 @@ static int dtExtendPage(tid_t tid,
stbl
=
DT_GETSTBL
(
sp
);
for
(
n
=
0
;
n
<
sp
->
header
.
nextindex
;
n
++
)
{
ldtentry
=
(
ldtentry_t
*
)
&
sp
->
slot
[
stbl
[
n
]];
(
struct
ldtentry
*
)
&
sp
->
slot
[
stbl
[
n
]];
modify_index
(
tid
,
ip
,
le32_to_cpu
(
ldtentry
->
index
),
xaddr
,
n
,
&
mp
);
...
...
@@ -1641,8 +1643,8 @@ static int dtExtendPage(tid_t tid,
* acquire a transaction lock on the extended/leaf page
*/
tlck
=
txLock
(
tid
,
ip
,
smp
,
tlckDTREE
|
type
);
dtlck
=
(
dtlock_t
*
)
&
tlck
->
lock
;
lv
=
(
lv_t
*
)
&
dtlck
->
lv
[
0
];
dtlck
=
(
struct
dt_lock
*
)
&
tlck
->
lock
;
lv
=
&
dtlck
->
lv
[
0
];
/* update buffer extent descriptor of extended page */
xlen
=
lengthPXD
(
pxd
);
...
...
@@ -1750,8 +1752,8 @@ static int dtExtendPage(tid_t tid,
* acquire a transaction lock on the parent/root page
*/
tlck
=
txLock
(
tid
,
ip
,
pmp
,
tlckDTREE
|
tlckENTRY
);
dtlck
=
(
dtlock_t
*
)
&
tlck
->
lock
;
lv
=
(
lv_t
*
)
&
dtlck
->
lv
[
dtlck
->
index
];
dtlck
=
(
struct
dt_lock
*
)
&
tlck
->
lock
;
lv
=
&
dtlck
->
lv
[
dtlck
->
index
];
/* linelock parent entry - 1st slot */
lv
->
offset
=
1
;
...
...
@@ -1800,26 +1802,26 @@ static int dtExtendPage(tid_t tid,
* return new page pinned;
*/
static
int
dtSplitRoot
(
tid_t
tid
,
struct
inode
*
ip
,
dtsplit_t
*
split
,
metapage_t
**
rmpp
)
struct
inode
*
ip
,
struct
dtsplit
*
split
,
struct
metapage
**
rmpp
)
{
struct
super_block
*
sb
=
ip
->
i_sb
;
metapage_t
*
smp
;
struct
metapage
*
smp
;
dtroot_t
*
sp
;
metapage_t
*
rmp
;
struct
metapage
*
rmp
;
dtpage_t
*
rp
;
s64
rbn
;
int
xlen
;
int
xsize
;
dtslot_
t
*
f
;
struct
dtslo
t
*
f
;
s8
*
stbl
;
int
fsi
,
stblsize
,
n
;
idtentry_t
*
s
;
struct
idtentry
*
s
;
pxd_t
*
ppxd
;
pxdlist_
t
*
pxdlist
;
struct
pxdlis
t
*
pxdlist
;
pxd_t
*
pxd
;
dtlock_t
*
dtlck
;
tlock_t
*
tlck
;
lv_t
*
lv
;
struct
dt_lock
*
dtlck
;
struct
tlock
*
tlck
;
struct
lv
*
lv
;
/* get split root page */
smp
=
split
->
mp
;
...
...
@@ -1845,7 +1847,7 @@ static int dtSplitRoot(tid_t tid,
* acquire a transaction lock on the new right page
*/
tlck
=
txLock
(
tid
,
ip
,
rmp
,
tlckDTREE
|
tlckNEW
);
dtlck
=
(
dtlock_t
*
)
&
tlck
->
lock
;
dtlck
=
(
struct
dt_lock
*
)
&
tlck
->
lock
;
rp
->
header
.
flag
=
(
sp
->
header
.
flag
&
BT_LEAF
)
?
BT_LEAF
:
BT_INTERNAL
;
...
...
@@ -1860,7 +1862,7 @@ static int dtSplitRoot(tid_t tid,
*/
/* linelock header + copied entries + new stbl (1st slot) in new page */
ASSERT
(
dtlck
->
index
==
0
);
lv
=
(
lv_t
*
)
&
dtlck
->
lv
[
0
];
lv
=
&
dtlck
->
lv
[
0
];
lv
->
offset
=
0
;
lv
->
length
=
10
;
/* 1 + 8 + 1 */
dtlck
->
index
++
;
...
...
@@ -1909,12 +1911,12 @@ static int dtSplitRoot(tid_t tid,
* Update directory index table for entries now in right page
*/
if
((
rp
->
header
.
flag
&
BT_LEAF
)
&&
DO_INDEX
(
ip
))
{
metapage_t
*
mp
=
0
;
ldtentry_t
*
ldtentry
;
struct
metapage
*
mp
=
0
;
struct
ldtentry
*
ldtentry
;
stbl
=
DT_GETSTBL
(
rp
);
for
(
n
=
0
;
n
<
rp
->
header
.
nextindex
;
n
++
)
{
ldtentry
=
(
ldtentry_t
*
)
&
rp
->
slot
[
stbl
[
n
]];
ldtentry
=
(
struct
ldtentry
*
)
&
rp
->
slot
[
stbl
[
n
]];
modify_index
(
tid
,
ip
,
le32_to_cpu
(
ldtentry
->
index
),
rbn
,
n
,
&
mp
);
}
...
...
@@ -1941,11 +1943,11 @@ static int dtSplitRoot(tid_t tid,
* acquire a transaction lock on the root page (in-memory inode)
*/
tlck
=
txLock
(
tid
,
ip
,
smp
,
tlckDTREE
|
tlckNEW
|
tlckBTROOT
);
dtlck
=
(
dtlock_t
*
)
&
tlck
->
lock
;
dtlck
=
(
struct
dt_lock
*
)
&
tlck
->
lock
;
/* linelock root */
ASSERT
(
dtlck
->
index
==
0
);
lv
=
(
lv_t
*
)
&
dtlck
->
lv
[
0
];
lv
=
&
dtlck
->
lv
[
0
];
lv
->
offset
=
0
;
lv
->
length
=
DTROOTMAXSLOT
;
dtlck
->
index
++
;
...
...
@@ -1957,7 +1959,7 @@ static int dtSplitRoot(tid_t tid,
}
/* init the first entry */
s
=
(
idtentry_t
*
)
&
sp
->
slot
[
DTENTRYSTART
];
s
=
(
struct
idtentry
*
)
&
sp
->
slot
[
DTENTRYSTART
];
ppxd
=
(
pxd_t
*
)
s
;
*
ppxd
=
*
pxd
;
s
->
next
=
-
1
;
...
...
@@ -1996,22 +1998,22 @@ static int dtSplitRoot(tid_t tid,
* return:
*/
int
dtDelete
(
tid_t
tid
,
struct
inode
*
ip
,
component_t
*
key
,
ino_t
*
ino
,
int
flag
)
struct
inode
*
ip
,
struct
component_name
*
key
,
ino_t
*
ino
,
int
flag
)
{
int
rc
=
0
;
s64
bn
;
metapage_t
*
mp
,
*
imp
;
struct
metapage
*
mp
,
*
imp
;
dtpage_t
*
p
;
int
index
;
btstack_t
btstack
;
dtlock_t
*
dtlck
;
tlock_t
*
tlck
;
lv_t
*
lv
;
struct
btstack
btstack
;
struct
dt_lock
*
dtlck
;
struct
tlock
*
tlck
;
struct
lv
*
lv
;
int
i
;
ldtentry_t
*
ldtentry
;
struct
ldtentry
*
ldtentry
;
u8
*
stbl
;
u32
table_index
,
next_index
;
metapage_t
*
nmp
;
struct
metapage
*
nmp
;
dtpage_t
*
np
;
/*
...
...
@@ -2032,7 +2034,7 @@ int dtDelete(tid_t tid,
*/
if
(
DO_INDEX
(
ip
))
{
stbl
=
DT_GETSTBL
(
p
);
ldtentry
=
(
ldtentry_t
*
)
&
p
->
slot
[
stbl
[
index
]];
ldtentry
=
(
struct
ldtentry
*
)
&
p
->
slot
[
stbl
[
index
]];
table_index
=
le32_to_cpu
(
ldtentry
->
index
);
if
(
index
==
(
p
->
header
.
nextindex
-
1
))
{
/*
...
...
@@ -2050,7 +2052,7 @@ int dtDelete(tid_t tid,
else
{
stbl
=
DT_GETSTBL
(
np
);
ldtentry
=
(
ldtentry_t
*
)
&
np
->
(
struct
ldtentry
*
)
&
np
->
slot
[
stbl
[
0
]];
next_index
=
le32_to_cpu
(
ldtentry
->
index
);
...
...
@@ -2059,7 +2061,7 @@ int dtDelete(tid_t tid,
}
}
else
{
ldtentry
=
(
ldtentry_t
*
)
&
p
->
slot
[
stbl
[
index
+
1
]];
(
struct
ldtentry
*
)
&
p
->
slot
[
stbl
[
index
+
1
]];
next_index
=
le32_to_cpu
(
ldtentry
->
index
);
}
free_index
(
tid
,
ip
,
table_index
,
next_index
);
...
...
@@ -2082,7 +2084,7 @@ int dtDelete(tid_t tid,
* acquire a transaction lock on the leaf page
*/
tlck
=
txLock
(
tid
,
ip
,
mp
,
tlckDTREE
|
tlckENTRY
);
dtlck
=
(
dtlock_t
*
)
&
tlck
->
lock
;
dtlck
=
(
struct
dt_lock
*
)
&
tlck
->
lock
;
/*
* Do not assume that dtlck->index will be zero. During a
...
...
@@ -2092,8 +2094,8 @@ int dtDelete(tid_t tid,
/* linelock header */
if
(
dtlck
->
index
>=
dtlck
->
maxcnt
)
dtlck
=
(
dtlock_t
*
)
txLinelock
(
dtlck
);
lv
=
(
lv_t
*
)
&
dtlck
->
lv
[
dtlck
->
index
];
dtlck
=
(
struct
dt_lock
*
)
txLinelock
(
dtlck
);
lv
=
&
dtlck
->
lv
[
dtlck
->
index
];
lv
->
offset
=
0
;
lv
->
length
=
1
;
dtlck
->
index
++
;
...
...
@@ -2101,8 +2103,8 @@ int dtDelete(tid_t tid,
/* linelock stbl of non-root leaf page */
if
(
!
(
p
->
header
.
flag
&
BT_ROOT
))
{
if
(
dtlck
->
index
>=
dtlck
->
maxcnt
)
dtlck
=
(
dtlock_t
*
)
txLinelock
(
dtlck
);
lv
=
(
lv_t
*
)
&
dtlck
->
lv
[
dtlck
->
index
];
dtlck
=
(
struct
dt_lock
*
)
txLinelock
(
dtlck
);
lv
=
&
dtlck
->
lv
[
dtlck
->
index
];
i
=
index
>>
L2DTSLOTSIZE
;
lv
->
offset
=
p
->
header
.
stblindex
+
i
;
lv
->
length
=
...
...
@@ -2122,7 +2124,7 @@ int dtDelete(tid_t tid,
stbl
=
DT_GETSTBL
(
p
);
for
(
i
=
index
;
i
<
p
->
header
.
nextindex
;
i
++
)
{
ldtentry
=
(
ldtentry_t
*
)
&
p
->
slot
[
stbl
[
i
]];
(
struct
ldtentry
*
)
&
p
->
slot
[
stbl
[
i
]];
modify_index
(
tid
,
ip
,
le32_to_cpu
(
ldtentry
->
index
),
bn
,
i
,
&
imp
);
...
...
@@ -2149,18 +2151,18 @@ int dtDelete(tid_t tid,
* return:
*/
static
int
dtDeleteUp
(
tid_t
tid
,
struct
inode
*
ip
,
metapage_t
*
fmp
,
dtpage_t
*
fp
,
btstack_t
*
btstack
)
struct
metapage
*
fmp
,
dtpage_t
*
fp
,
struct
btstack
*
btstack
)
{
int
rc
=
0
;
metapage_t
*
mp
;
struct
metapage
*
mp
;
dtpage_t
*
p
;
int
index
,
nextindex
;
int
xlen
;
btframe_t
*
parent
;
dtlock_t
*
dtlck
;
tlock_t
*
tlck
;
lv_t
*
lv
;
pxdlock_t
*
pxdlock
;
struct
btframe
*
parent
;
struct
dt_lock
*
dtlck
;
struct
tlock
*
tlck
;
struct
lv
*
lv
;
struct
pxd_lock
*
pxdlock
;
int
i
;
/*
...
...
@@ -2190,7 +2192,7 @@ static int dtDeleteUp(tid_t tid, struct inode *ip,
* the buffer page is freed;
*/
tlck
=
txMaplock
(
tid
,
ip
,
tlckDTREE
|
tlckFREE
);
pxdlock
=
(
pxdlock_t
*
)
&
tlck
->
lock
;
pxdlock
=
(
struct
pxd_lock
*
)
&
tlck
->
lock
;
pxdlock
->
flag
=
mlckFREEPXD
;
pxdlock
->
pxd
=
fp
->
header
.
self
;
pxdlock
->
index
=
1
;
...
...
@@ -2262,7 +2264,7 @@ static int dtDeleteUp(tid_t tid, struct inode *ip,
tlck
=
txMaplock
(
tid
,
ip
,
tlckDTREE
|
tlckFREE
);
pxdlock
=
(
pxdlock_t
*
)
&
tlck
->
lock
;
pxdlock
=
(
struct
pxd_lock
*
)
&
tlck
->
lock
;
pxdlock
->
flag
=
mlckFREEPXD
;
pxdlock
->
pxd
=
p
->
header
.
self
;
pxdlock
->
index
=
1
;
...
...
@@ -2294,12 +2296,12 @@ static int dtDeleteUp(tid_t tid, struct inode *ip,
* action: router entry deletion
*/
tlck
=
txLock
(
tid
,
ip
,
mp
,
tlckDTREE
|
tlckENTRY
);
dtlck
=
(
dtlock_t
*
)
&
tlck
->
lock
;
dtlck
=
(
struct
dt_lock
*
)
&
tlck
->
lock
;
/* linelock header */
if
(
dtlck
->
index
>=
dtlck
->
maxcnt
)
dtlck
=
(
dtlock_t
*
)
txLinelock
(
dtlck
);
lv
=
(
lv_t
*
)
&
dtlck
->
lv
[
dtlck
->
index
];
dtlck
=
(
struct
dt_lock
*
)
txLinelock
(
dtlck
);
lv
=
&
dtlck
->
lv
[
dtlck
->
index
];
lv
->
offset
=
0
;
lv
->
length
=
1
;
dtlck
->
index
++
;
...
...
@@ -2309,8 +2311,8 @@ static int dtDeleteUp(tid_t tid, struct inode *ip,
if
(
dtlck
->
index
<
dtlck
->
maxcnt
)
lv
++
;
else
{
dtlck
=
(
dtlock_t
*
)
txLinelock
(
dtlck
);
lv
=
(
lv_t
*
)
&
dtlck
->
lv
[
0
];
dtlck
=
(
struct
dt_lock
*
)
txLinelock
(
dtlck
);
lv
=
&
dtlck
->
lv
[
0
];
}
i
=
index
>>
L2DTSLOTSIZE
;
lv
->
offset
=
p
->
header
.
stblindex
+
i
;
...
...
@@ -2349,25 +2351,26 @@ int dtRelocate(tid_t tid, struct inode *ip, s64 lmxaddr, pxd_t * opxd,
s64
nxaddr
)
{
int
rc
=
0
;
metapage_t
*
mp
,
*
pmp
,
*
lmp
,
*
rmp
;
struct
metapage
*
mp
,
*
pmp
,
*
lmp
,
*
rmp
;
dtpage_t
*
p
,
*
pp
,
*
rp
=
0
,
*
lp
=
0
;
s64
bn
;
int
index
;
btstack_t
btstack
;
struct
btstack
btstack
;
pxd_t
*
pxd
;
s64
oxaddr
,
nextbn
,
prevbn
;
int
xlen
,
xsize
;
tlock_t
*
tlck
;
dtlock_t
*
dtlck
;
pxdlock_t
*
pxdlock
;
struct
tlock
*
tlck
;
struct
dt_lock
*
dtlck
;
struct
pxd_lock
*
pxdlock
;
s8
*
stbl
;
lv_t
*
lv
;
struct
lv
*
lv
;
oxaddr
=
addressPXD
(
opxd
);
xlen
=
lengthPXD
(
opxd
);
jEVENT
(
0
,
(
"dtRelocate: lmxaddr:%Ld xaddr:%Ld:%Ld xlen:%d
\n
"
,
(
long
long
)
lmxaddr
,
(
long
long
)
oxaddr
,
(
long
long
)
nxaddr
,
xlen
));
(
long
long
)
lmxaddr
,
(
long
long
)
oxaddr
,
(
long
long
)
nxaddr
,
xlen
));
/*
* 1. get the internal parent dtpage covering
...
...
@@ -2426,10 +2429,10 @@ int dtRelocate(tid_t tid, struct inode *ip, s64 lmxaddr, pxd_t * opxd,
*/
if
(
lmp
)
{
tlck
=
txLock
(
tid
,
ip
,
lmp
,
tlckDTREE
|
tlckRELINK
);
dtlck
=
(
dtlock_t
*
)
&
tlck
->
lock
;
dtlck
=
(
struct
dt_lock
*
)
&
tlck
->
lock
;
/* linelock header */
ASSERT
(
dtlck
->
index
==
0
);
lv
=
(
lv_t
*
)
&
dtlck
->
lv
[
0
];
lv
=
&
dtlck
->
lv
[
0
];
lv
->
offset
=
0
;
lv
->
length
=
1
;
dtlck
->
index
++
;
...
...
@@ -2440,10 +2443,10 @@ int dtRelocate(tid_t tid, struct inode *ip, s64 lmxaddr, pxd_t * opxd,
if
(
rmp
)
{
tlck
=
txLock
(
tid
,
ip
,
rmp
,
tlckDTREE
|
tlckRELINK
);
dtlck
=
(
dtlock_t
*
)
&
tlck
->
lock
;
dtlck
=
(
struct
dt_lock
*
)
&
tlck
->
lock
;
/* linelock header */
ASSERT
(
dtlck
->
index
==
0
);
lv
=
(
lv_t
*
)
&
dtlck
->
lv
[
0
];
lv
=
&
dtlck
->
lv
[
0
];
lv
->
offset
=
0
;
lv
->
length
=
1
;
dtlck
->
index
++
;
...
...
@@ -2462,10 +2465,10 @@ int dtRelocate(tid_t tid, struct inode *ip, s64 lmxaddr, pxd_t * opxd,
* the dst extent;
*/
tlck
=
txLock
(
tid
,
ip
,
mp
,
tlckDTREE
|
tlckNEW
);
dtlck
=
(
dtlock_t
*
)
&
tlck
->
lock
;
dtlck
=
(
struct
dt_lock
*
)
&
tlck
->
lock
;
/* linelock header */
ASSERT
(
dtlck
->
index
==
0
);
lv
=
(
lv_t
*
)
&
dtlck
->
lv
[
0
];
lv
=
&
dtlck
->
lv
[
0
];
/* update the self address in the dtpage header */
pxd
=
&
p
->
header
.
self
;
...
...
@@ -2501,7 +2504,7 @@ int dtRelocate(tid_t tid, struct inode *ip, s64 lmxaddr, pxd_t * opxd,
* dtpage), and upadte bmap for free of the source dtpage;
*/
tlck
=
txMaplock
(
tid
,
ip
,
tlckDTREE
|
tlckFREE
);
pxdlock
=
(
pxdlock_t
*
)
&
tlck
->
lock
;
pxdlock
=
(
struct
pxd_lock
*
)
&
tlck
->
lock
;
pxdlock
->
flag
=
mlckFREEPXD
;
PXDaddress
(
&
pxdlock
->
pxd
,
oxaddr
);
PXDlength
(
&
pxdlock
->
pxd
,
xlen
);
...
...
@@ -2515,8 +2518,8 @@ int dtRelocate(tid_t tid, struct inode *ip, s64 lmxaddr, pxd_t * opxd,
*/
jEVENT
(
0
,
(
"dtRelocate: update parent router entry.
\n
"
));
tlck
=
txLock
(
tid
,
ip
,
pmp
,
tlckDTREE
|
tlckENTRY
);
dtlck
=
(
dtlock_t
*
)
&
tlck
->
lock
;
lv
=
(
lv_t
*
)
&
dtlck
->
lv
[
dtlck
->
index
];
dtlck
=
(
struct
dt_lock
*
)
&
tlck
->
lock
;
lv
=
&
dtlck
->
lv
[
dtlck
->
index
];
/* update the PXD with the new address */
stbl
=
DT_GETSTBL
(
pp
);
...
...
@@ -2545,17 +2548,17 @@ int dtRelocate(tid_t tid, struct inode *ip, s64 lmxaddr, pxd_t * opxd,
* dtree level, in which the required dtpage resides.
*/
static
int
dtSearchNode
(
struct
inode
*
ip
,
s64
lmxaddr
,
pxd_t
*
kpxd
,
btstack_t
*
btstack
)
struct
btstack
*
btstack
)
{
int
rc
=
0
;
s64
bn
;
metapage_t
*
mp
;
struct
metapage
*
mp
;
dtpage_t
*
p
;
int
psize
=
288
;
/* initial in-line directory */
s8
*
stbl
;
int
i
;
pxd_t
*
pxd
;
btframe_t
*
btsp
;
struct
btframe
*
btsp
;
BT_CLR
(
btstack
);
/* reset stack */
...
...
@@ -2650,11 +2653,11 @@ static int dtSearchNode(struct inode *ip, s64 lmxaddr, pxd_t * kpxd,
static
int
dtRelink
(
tid_t
tid
,
struct
inode
*
ip
,
dtpage_t
*
p
)
{
int
rc
;
metapage_t
*
mp
;
struct
metapage
*
mp
;
s64
nextbn
,
prevbn
;
tlock_t
*
tlck
;
dtlock_t
*
dtlck
;
lv_t
*
lv
;
struct
tlock
*
tlck
;
struct
dt_lock
*
dtlck
;
struct
lv
*
lv
;
nextbn
=
le64_to_cpu
(
p
->
header
.
next
);
prevbn
=
le64_to_cpu
(
p
->
header
.
prev
);
...
...
@@ -2675,12 +2678,12 @@ static int dtRelink(tid_t tid, struct inode *ip, dtpage_t * p)
jEVENT
(
0
,
(
"dtRelink nextbn: tlck = 0x%p, ip = 0x%p, mp=0x%p
\n
"
,
tlck
,
ip
,
mp
));
dtlck
=
(
dtlock_t
*
)
&
tlck
->
lock
;
dtlck
=
(
struct
dt_lock
*
)
&
tlck
->
lock
;
/* linelock header */
if
(
dtlck
->
index
>=
dtlck
->
maxcnt
)
dtlck
=
(
dtlock_t
*
)
txLinelock
(
dtlck
);
lv
=
(
lv_t
*
)
&
dtlck
->
lv
[
dtlck
->
index
];
dtlck
=
(
struct
dt_lock
*
)
txLinelock
(
dtlck
);
lv
=
&
dtlck
->
lv
[
dtlck
->
index
];
lv
->
offset
=
0
;
lv
->
length
=
1
;
dtlck
->
index
++
;
...
...
@@ -2705,12 +2708,12 @@ static int dtRelink(tid_t tid, struct inode *ip, dtpage_t * p)
jEVENT
(
0
,
(
"dtRelink prevbn: tlck = 0x%p, ip = 0x%p, mp=0x%p
\n
"
,
tlck
,
ip
,
mp
));
dtlck
=
(
dtlock_t
*
)
&
tlck
->
lock
;
dtlck
=
(
struct
dt_lock
*
)
&
tlck
->
lock
;
/* linelock header */
if
(
dtlck
->
index
>=
dtlck
->
maxcnt
)
dtlck
=
(
dtlock_t
*
)
txLinelock
(
dtlck
);
lv
=
(
lv_t
*
)
&
dtlck
->
lv
[
dtlck
->
index
];
dtlck
=
(
struct
dt_lock
*
)
txLinelock
(
dtlck
);
lv
=
&
dtlck
->
lv
[
dtlck
->
index
];
lv
->
offset
=
0
;
lv
->
length
=
1
;
dtlck
->
index
++
;
...
...
@@ -2733,10 +2736,10 @@ void dtInitRoot(tid_t tid, struct inode *ip, u32 idotdot)
struct
jfs_inode_info
*
jfs_ip
=
JFS_IP
(
ip
);
dtroot_t
*
p
;
int
fsi
;
dtslot_
t
*
f
;
tlock_t
*
tlck
;
dtlock_t
*
dtlck
;
lv_t
*
lv
;
struct
dtslo
t
*
f
;
struct
tlock
*
tlck
;
struct
dt_lock
*
dtlck
;
struct
lv
*
lv
;
u16
xflag_save
;
/*
...
...
@@ -2745,7 +2748,7 @@ void dtInitRoot(tid_t tid, struct inode *ip, u32 idotdot)
*/
if
(
DO_INDEX
(
ip
))
{
if
(
jfs_ip
->
next_index
>
(
MAX_INLINE_DIRTABLE_ENTRY
+
1
))
{
tblock_t
*
tblk
=
tid_to_tblock
(
tid
);
struct
tblock
*
tblk
=
tid_to_tblock
(
tid
);
/*
* We're playing games with the tid's xflag. If
* we're removing a regular file, the file's xtree
...
...
@@ -2784,13 +2787,13 @@ void dtInitRoot(tid_t tid, struct inode *ip, u32 idotdot)
*
* action: directory initialization;
*/
tlck
=
txLock
(
tid
,
ip
,
(
metapage_t
*
)
&
jfs_ip
->
bxflag
,
tlck
=
txLock
(
tid
,
ip
,
(
struct
metapage
*
)
&
jfs_ip
->
bxflag
,
tlckDTREE
|
tlckENTRY
|
tlckBTROOT
);
dtlck
=
(
dtlock_t
*
)
&
tlck
->
lock
;
dtlck
=
(
struct
dt_lock
*
)
&
tlck
->
lock
;
/* linelock root */
ASSERT
(
dtlck
->
index
==
0
);
lv
=
(
lv_t
*
)
&
dtlck
->
lv
[
0
];
lv
=
&
dtlck
->
lv
[
0
];
lv
->
offset
=
0
;
lv
->
length
=
DTROOTMAXSLOT
;
dtlck
->
index
++
;
...
...
@@ -2849,14 +2852,14 @@ int jfs_readdir(struct file *filp, void *dirent, filldir_t filldir)
s32
unused
;
}
*
dtoffset
=
(
struct
dtoffset
*
)
&
filp
->
f_pos
;
s64
bn
;
metapage_t
*
mp
;
struct
metapage
*
mp
;
dtpage_t
*
p
;
int
index
;
s8
*
stbl
;
btstack_t
btstack
;
struct
btstack
btstack
;
int
i
,
next
;
ldtentry_t
*
d
;
dtslot_
t
*
t
;
struct
ldtentry
*
d
;
struct
dtslo
t
*
t
;
int
d_namleft
,
d_namlen
,
len
,
outlen
;
char
*
d_name
,
*
name_ptr
;
int
dtlhdrdatalen
;
...
...
@@ -2880,7 +2883,7 @@ int jfs_readdir(struct file *filp, void *dirent, filldir_t filldir)
dir_index
=
(
u32
)
filp
->
f_pos
;
if
(
dir_index
>
1
)
{
dir_table_slot_
t
dirtab_slot
;
struct
dir_table_slo
t
dirtab_slot
;
if
(
dtEmpty
(
ip
))
{
filp
->
f_pos
=
DIREND
;
...
...
@@ -3017,7 +3020,7 @@ int jfs_readdir(struct file *filp, void *dirent, filldir_t filldir)
stbl
=
DT_GETSTBL
(
p
);
for
(
i
=
index
;
i
<
p
->
header
.
nextindex
;
i
++
)
{
d
=
(
ldtentry_t
*
)
&
p
->
slot
[
stbl
[
i
]];
d
=
(
struct
ldtentry
*
)
&
p
->
slot
[
stbl
[
i
]];
d_namleft
=
d
->
namlen
;
name_ptr
=
d_name
;
...
...
@@ -3036,7 +3039,7 @@ int jfs_readdir(struct file *filp, void *dirent, filldir_t filldir)
/* copy name in the additional segment(s) */
next
=
d
->
next
;
while
(
next
>=
0
)
{
t
=
(
dtslot_
t
*
)
&
p
->
slot
[
next
];
t
=
(
struct
dtslo
t
*
)
&
p
->
slot
[
next
];
name_ptr
+=
outlen
;
d_namleft
-=
len
;
/* Sanity Check */
...
...
@@ -3110,15 +3113,15 @@ int jfs_readdir(struct file *filp, void *dirent, filldir_t filldir)
*
* function: get the leftmost page of the directory
*/
static
int
dtReadFirst
(
struct
inode
*
ip
,
btstack_t
*
btstack
)
static
int
dtReadFirst
(
struct
inode
*
ip
,
struct
btstack
*
btstack
)
{
int
rc
=
0
;
s64
bn
;
int
psize
=
288
;
/* initial in-line directory */
metapage_t
*
mp
;
struct
metapage
*
mp
;
dtpage_t
*
p
;
s8
*
stbl
;
btframe_t
*
btsp
;
struct
btframe
*
btsp
;
pxd_t
*
xd
;
BT_CLR
(
btstack
);
/* reset stack */
...
...
@@ -3176,7 +3179,8 @@ static int dtReadFirst(struct inode *ip, btstack_t * btstack)
* note: if index > nextindex of the target leaf page,
* start with 1st entry of next leaf page;
*/
static
int
dtReadNext
(
struct
inode
*
ip
,
loff_t
*
offset
,
btstack_t
*
btstack
)
static
int
dtReadNext
(
struct
inode
*
ip
,
loff_t
*
offset
,
struct
btstack
*
btstack
)
{
int
rc
=
0
;
struct
dtoffset
{
...
...
@@ -3185,12 +3189,12 @@ static int dtReadNext(struct inode *ip, loff_t * offset, btstack_t * btstack)
s32
unused
;
}
*
dtoffset
=
(
struct
dtoffset
*
)
offset
;
s64
bn
;
metapage_t
*
mp
;
struct
metapage
*
mp
;
dtpage_t
*
p
;
int
index
;
int
pn
;
s8
*
stbl
;
btframe_t
*
btsp
,
*
parent
;
struct
btframe
*
btsp
,
*
parent
;
pxd_t
*
xd
;
/*
...
...
@@ -3351,14 +3355,14 @@ static int dtReadNext(struct inode *ip, loff_t * offset, btstack_t * btstack)
* = 0 if k is = record
* > 0 if k is > record
*/
static
int
dtCompare
(
component_t
*
key
,
/* search key */
static
int
dtCompare
(
struct
component_name
*
key
,
/* search key */
dtpage_t
*
p
,
/* directory page */
int
si
)
{
/* entry slot index */
wchar_t
*
kname
,
*
name
;
int
klen
,
namlen
,
len
,
rc
;
idtentry_t
*
ih
;
dtslot_
t
*
t
;
struct
idtentry
*
ih
;
struct
dtslo
t
*
t
;
/*
* force the left-most key on internal pages, at any level of
...
...
@@ -3379,7 +3383,7 @@ static int dtCompare(component_t * key, /* search key */
kname
=
key
->
name
;
klen
=
key
->
namlen
;
ih
=
(
idtentry_t
*
)
&
p
->
slot
[
si
];
ih
=
(
struct
idtentry
*
)
&
p
->
slot
[
si
];
si
=
ih
->
next
;
name
=
ih
->
name
;
namlen
=
ih
->
namlen
;
...
...
@@ -3397,7 +3401,7 @@ static int dtCompare(component_t * key, /* search key */
kname
+=
len
;
while
(
klen
>
0
&&
namlen
>
0
)
{
/* compare with next name segment */
t
=
(
dtslot_
t
*
)
&
p
->
slot
[
si
];
t
=
(
struct
dtslo
t
*
)
&
p
->
slot
[
si
];
len
=
min
(
namlen
,
DTSLOTDATALEN
);
len
=
min
(
klen
,
len
);
name
=
t
->
name
;
...
...
@@ -3426,16 +3430,16 @@ static int dtCompare(component_t * key, /* search key */
* = 0 if k is = record
* > 0 if k is > record
*/
static
int
ciCompare
(
component_t
*
key
,
/* search key */
static
int
ciCompare
(
struct
component_name
*
key
,
/* search key */
dtpage_t
*
p
,
/* directory page */
int
si
,
/* entry slot index */
int
flag
)
{
wchar_t
*
kname
,
*
name
,
x
;
int
klen
,
namlen
,
len
,
rc
;
ldtentry_t
*
lh
;
idtentry_t
*
ih
;
dtslot_
t
*
t
;
struct
ldtentry
*
lh
;
struct
idtentry
*
ih
;
struct
dtslo
t
*
t
;
int
i
;
/*
...
...
@@ -3461,7 +3465,7 @@ static int ciCompare(component_t * key, /* search key */
* leaf page entry
*/
if
(
p
->
header
.
flag
&
BT_LEAF
)
{
lh
=
(
ldtentry_t
*
)
&
p
->
slot
[
si
];
lh
=
(
struct
ldtentry
*
)
&
p
->
slot
[
si
];
si
=
lh
->
next
;
name
=
lh
->
name
;
namlen
=
lh
->
namlen
;
...
...
@@ -3474,7 +3478,7 @@ static int ciCompare(component_t * key, /* search key */
* internal page entry
*/
else
{
ih
=
(
idtentry_t
*
)
&
p
->
slot
[
si
];
ih
=
(
struct
idtentry
*
)
&
p
->
slot
[
si
];
si
=
ih
->
next
;
name
=
ih
->
name
;
namlen
=
ih
->
namlen
;
...
...
@@ -3499,7 +3503,7 @@ static int ciCompare(component_t * key, /* search key */
/* compare with additional segment(s) */
while
(
klen
>
0
&&
namlen
>
0
)
{
/* compare with next name segment */
t
=
(
dtslot_
t
*
)
&
p
->
slot
[
si
];
t
=
(
struct
dtslo
t
*
)
&
p
->
slot
[
si
];
len
=
min
(
namlen
,
DTSLOTDATALEN
);
len
=
min
(
klen
,
len
);
name
=
t
->
name
;
...
...
@@ -3534,14 +3538,14 @@ static int ciCompare(component_t * key, /* search key */
* Number of prefix bytes needed to distinguish b from a.
*/
static
void
ciGetLeafPrefixKey
(
dtpage_t
*
lp
,
int
li
,
dtpage_t
*
rp
,
int
ri
,
component_t
*
key
,
int
flag
)
int
ri
,
struct
component_name
*
key
,
int
flag
)
{
int
klen
,
namlen
;
wchar_t
*
pl
,
*
pr
,
*
kname
;
wchar_t
lname
[
JFS_NAME_MAX
+
1
];
component_t
lkey
=
{
0
,
lname
};
struct
component_name
lkey
=
{
0
,
lname
};
wchar_t
rname
[
JFS_NAME_MAX
+
1
];
component_t
rkey
=
{
0
,
rname
};
struct
component_name
rkey
=
{
0
,
rname
};
/* get left and right key */
dtGetKey
(
lp
,
li
,
&
lkey
,
flag
);
...
...
@@ -3588,13 +3592,13 @@ static void ciGetLeafPrefixKey(dtpage_t * lp, int li, dtpage_t * rp,
* function: get key of the entry
*/
static
void
dtGetKey
(
dtpage_t
*
p
,
int
i
,
/* entry index */
component_t
*
key
,
int
flag
)
struct
component_name
*
key
,
int
flag
)
{
int
si
;
s8
*
stbl
;
ldtentry_t
*
lh
;
idtentry_t
*
ih
;
dtslot_
t
*
t
;
struct
ldtentry
*
lh
;
struct
idtentry
*
ih
;
struct
dtslo
t
*
t
;
int
namlen
,
len
;
wchar_t
*
name
,
*
kname
;
...
...
@@ -3602,7 +3606,7 @@ static void dtGetKey(dtpage_t * p, int i, /* entry index */
stbl
=
DT_GETSTBL
(
p
);
si
=
stbl
[
i
];
if
(
p
->
header
.
flag
&
BT_LEAF
)
{
lh
=
(
ldtentry_t
*
)
&
p
->
slot
[
si
];
lh
=
(
struct
ldtentry
*
)
&
p
->
slot
[
si
];
si
=
lh
->
next
;
namlen
=
lh
->
namlen
;
name
=
lh
->
name
;
...
...
@@ -3611,7 +3615,7 @@ static void dtGetKey(dtpage_t * p, int i, /* entry index */
else
len
=
min
(
namlen
,
DTLHDRDATALEN_LEGACY
);
}
else
{
ih
=
(
idtentry_t
*
)
&
p
->
slot
[
si
];
ih
=
(
struct
idtentry
*
)
&
p
->
slot
[
si
];
si
=
ih
->
next
;
namlen
=
ih
->
namlen
;
name
=
ih
->
name
;
...
...
@@ -3650,21 +3654,21 @@ static void dtGetKey(dtpage_t * p, int i, /* entry index */
*
* return: entry slot index
*/
static
void
dtInsertEntry
(
dtpage_t
*
p
,
int
index
,
component_t
*
key
,
ddata_t
*
data
,
dtlock_t
**
dtlock
)
static
void
dtInsertEntry
(
dtpage_t
*
p
,
int
index
,
struct
component_name
*
key
,
ddata_t
*
data
,
struct
dt_lock
**
dtlock
)
{
dtslot_
t
*
h
,
*
t
;
ldtentry_t
*
lh
=
0
;
idtentry_t
*
ih
=
0
;
struct
dtslo
t
*
h
,
*
t
;
struct
ldtentry
*
lh
=
0
;
struct
idtentry
*
ih
=
0
;
int
hsi
,
fsi
,
klen
,
len
,
nextindex
;
wchar_t
*
kname
,
*
name
;
s8
*
stbl
;
pxd_t
*
xd
;
dtlock_t
*
dtlck
=
*
dtlock
;
lv_t
*
lv
;
struct
dt_lock
*
dtlck
=
*
dtlock
;
struct
lv
*
lv
;
int
xsi
,
n
;
s64
bn
=
0
;
metapage_t
*
mp
=
0
;
struct
metapage
*
mp
=
0
;
klen
=
key
->
namlen
;
kname
=
key
->
name
;
...
...
@@ -3677,14 +3681,14 @@ static void dtInsertEntry(dtpage_t * p, int index, component_t * key,
/* open new linelock */
if
(
dtlck
->
index
>=
dtlck
->
maxcnt
)
dtlck
=
(
dtlock_t
*
)
txLinelock
(
dtlck
);
dtlck
=
(
struct
dt_lock
*
)
txLinelock
(
dtlck
);
lv
=
(
lv_t
*
)
&
dtlck
->
lv
[
dtlck
->
index
];
lv
=
&
dtlck
->
lv
[
dtlck
->
index
];
lv
->
offset
=
hsi
;
/* write head/only segment */
if
(
p
->
header
.
flag
&
BT_LEAF
)
{
lh
=
(
ldtentry_t
*
)
h
;
lh
=
(
struct
ldtentry
*
)
h
;
lh
->
next
=
h
->
next
;
lh
->
inumber
=
data
->
leaf
.
ino
;
/* little-endian */
lh
->
namlen
=
klen
;
...
...
@@ -3699,7 +3703,7 @@ static void dtInsertEntry(dtpage_t * p, int index, component_t * key,
}
else
len
=
min
(
klen
,
DTLHDRDATALEN_LEGACY
);
}
else
{
ih
=
(
idtentry_t
*
)
h
;
ih
=
(
struct
idtentry
*
)
h
;
ih
->
next
=
h
->
next
;
xd
=
(
pxd_t
*
)
ih
;
*
xd
=
data
->
xd
;
...
...
@@ -3733,8 +3737,8 @@ static void dtInsertEntry(dtpage_t * p, int index, component_t * key,
if
(
dtlck
->
index
<
dtlck
->
maxcnt
)
lv
++
;
else
{
dtlck
=
(
dtlock_t
*
)
txLinelock
(
dtlck
);
lv
=
(
lv_t
*
)
&
dtlck
->
lv
[
0
];
dtlck
=
(
struct
dt_lock
*
)
txLinelock
(
dtlck
);
lv
=
&
dtlck
->
lv
[
0
];
}
lv
->
offset
=
fsi
;
...
...
@@ -3780,7 +3784,7 @@ static void dtInsertEntry(dtpage_t * p, int index, component_t * key,
*/
mp
=
0
;
for
(
n
=
index
+
1
;
n
<=
nextindex
;
n
++
)
{
lh
=
(
ldtentry_t
*
)
&
(
p
->
slot
[
stbl
[
n
]]);
lh
=
(
struct
ldtentry
*
)
&
(
p
->
slot
[
stbl
[
n
]]);
modify_index
(
data
->
leaf
.
tid
,
data
->
leaf
.
ip
,
le32_to_cpu
(
lh
->
index
),
bn
,
n
,
&
mp
);
...
...
@@ -3806,7 +3810,7 @@ static void dtInsertEntry(dtpage_t * p, int index, component_t * key,
* are updated.
*/
static
void
dtMoveEntry
(
dtpage_t
*
sp
,
int
si
,
dtpage_t
*
dp
,
dtlock_t
**
sdtlock
,
dtlock_t
**
ddtlock
,
struct
dt_lock
**
sdtlock
,
struct
dt_lock
**
ddtlock
,
int
do_index
)
{
int
ssi
,
next
;
/* src slot index */
...
...
@@ -3814,11 +3818,11 @@ static void dtMoveEntry(dtpage_t * sp, int si, dtpage_t * dp,
int
dsi
;
/* dst slot index */
s8
*
sstbl
,
*
dstbl
;
/* sorted entry table */
int
snamlen
,
len
;
ldtentry_t
*
slh
,
*
dlh
=
0
;
idtentry_t
*
sih
,
*
dih
=
0
;
dtslot_
t
*
h
,
*
s
,
*
d
;
dtlock_t
*
sdtlck
=
*
sdtlock
,
*
ddtlck
=
*
ddtlock
;
lv_t
*
slv
,
*
dlv
;
struct
ldtentry
*
slh
,
*
dlh
=
0
;
struct
idtentry
*
sih
,
*
dih
=
0
;
struct
dtslo
t
*
h
,
*
s
,
*
d
;
struct
dt_lock
*
sdtlck
=
*
sdtlock
,
*
ddtlck
=
*
ddtlock
;
struct
lv
*
slv
,
*
dlv
;
int
xssi
,
ns
,
nd
;
int
sfsi
;
...
...
@@ -3829,11 +3833,11 @@ static void dtMoveEntry(dtpage_t * sp, int si, dtpage_t * dp,
sfsi
=
sp
->
header
.
freelist
;
/* linelock destination entry slot */
dlv
=
(
lv_t
*
)
&
ddtlck
->
lv
[
ddtlck
->
index
];
dlv
=
&
ddtlck
->
lv
[
ddtlck
->
index
];
dlv
->
offset
=
dsi
;
/* linelock source entry slot */
slv
=
(
lv_t
*
)
&
sdtlck
->
lv
[
sdtlck
->
index
];
slv
=
&
sdtlck
->
lv
[
sdtlck
->
index
];
slv
->
offset
=
sstbl
[
si
];
xssi
=
slv
->
offset
-
1
;
...
...
@@ -3855,8 +3859,8 @@ static void dtMoveEntry(dtpage_t * sp, int si, dtpage_t * dp,
if
(
sdtlck
->
index
<
sdtlck
->
maxcnt
)
slv
++
;
else
{
sdtlck
=
(
dtlock_t
*
)
txLinelock
(
sdtlck
);
slv
=
(
lv_t
*
)
&
sdtlck
->
lv
[
0
];
sdtlck
=
(
struct
dt_lock
*
)
txLinelock
(
sdtlck
);
slv
=
&
sdtlck
->
lv
[
0
];
}
slv
->
offset
=
ssi
;
...
...
@@ -3873,8 +3877,8 @@ static void dtMoveEntry(dtpage_t * sp, int si, dtpage_t * dp,
s
=
&
sp
->
slot
[
ssi
];
if
(
sp
->
header
.
flag
&
BT_LEAF
)
{
/* get source entry */
slh
=
(
ldtentry_t
*
)
s
;
dlh
=
(
ldtentry_t
*
)
h
;
slh
=
(
struct
ldtentry
*
)
s
;
dlh
=
(
struct
ldtentry
*
)
h
;
snamlen
=
slh
->
namlen
;
if
(
do_index
)
{
...
...
@@ -3891,11 +3895,11 @@ static void dtMoveEntry(dtpage_t * sp, int si, dtpage_t * dp,
dsi
++
;
dlh
->
next
=
dsi
;
}
else
{
sih
=
(
idtentry_t
*
)
s
;
sih
=
(
struct
idtentry
*
)
s
;
snamlen
=
sih
->
namlen
;
len
=
min
(
snamlen
,
DTIHDRDATALEN
);
dih
=
(
idtentry_t
*
)
h
;
dih
=
(
struct
idtentry
*
)
h
;
memcpy
(
dih
,
sih
,
10
+
len
*
2
);
next
=
sih
->
next
;
...
...
@@ -3928,9 +3932,9 @@ static void dtMoveEntry(dtpage_t * sp, int si, dtpage_t * dp,
slv
++
;
else
{
sdtlck
=
(
dtlock_t
*
)
(
struct
dt_lock
*
)
txLinelock
(
sdtlck
);
slv
=
(
lv_t
*
)
&
sdtlck
->
lv
[
0
];
slv
=
&
sdtlck
->
lv
[
0
];
}
slv
->
offset
=
ssi
;
...
...
@@ -4006,14 +4010,14 @@ static void dtMoveEntry(dtpage_t * sp, int si, dtpage_t * dp,
* the entry logged to avoid applying previous updates
* to the same slots)
*/
static
void
dtDeleteEntry
(
dtpage_t
*
p
,
int
fi
,
dtlock_t
**
dtlock
)
static
void
dtDeleteEntry
(
dtpage_t
*
p
,
int
fi
,
struct
dt_lock
**
dtlock
)
{
int
fsi
;
/* free entry slot index */
s8
*
stbl
;
dtslot_
t
*
t
;
struct
dtslo
t
*
t
;
int
si
,
freecnt
;
dtlock_t
*
dtlck
=
*
dtlock
;
lv_t
*
lv
;
struct
dt_lock
*
dtlck
=
*
dtlock
;
struct
lv
*
lv
;
int
xsi
,
n
;
/* get free entry slot index */
...
...
@@ -4022,17 +4026,17 @@ static void dtDeleteEntry(dtpage_t * p, int fi, dtlock_t ** dtlock)
/* open new linelock */
if
(
dtlck
->
index
>=
dtlck
->
maxcnt
)
dtlck
=
(
dtlock_t
*
)
txLinelock
(
dtlck
);
lv
=
(
lv_t
*
)
&
dtlck
->
lv
[
dtlck
->
index
];
dtlck
=
(
struct
dt_lock
*
)
txLinelock
(
dtlck
);
lv
=
&
dtlck
->
lv
[
dtlck
->
index
];
lv
->
offset
=
fsi
;
/* get the head/only segment */
t
=
&
p
->
slot
[
fsi
];
if
(
p
->
header
.
flag
&
BT_LEAF
)
si
=
((
ldtentry_t
*
)
t
)
->
next
;
si
=
((
struct
ldtentry
*
)
t
)
->
next
;
else
si
=
((
idtentry_t
*
)
t
)
->
next
;
si
=
((
struct
idtentry
*
)
t
)
->
next
;
t
->
next
=
si
;
t
->
cnt
=
1
;
...
...
@@ -4051,8 +4055,8 @@ static void dtDeleteEntry(dtpage_t * p, int fi, dtlock_t ** dtlock)
if
(
dtlck
->
index
<
dtlck
->
maxcnt
)
lv
++
;
else
{
dtlck
=
(
dtlock_t
*
)
txLinelock
(
dtlck
);
lv
=
(
lv_t
*
)
&
dtlck
->
lv
[
0
];
dtlck
=
(
struct
dt_lock
*
)
txLinelock
(
dtlck
);
lv
=
&
dtlck
->
lv
[
0
];
}
lv
->
offset
=
si
;
...
...
@@ -4101,14 +4105,14 @@ static void dtDeleteEntry(dtpage_t * p, int fi, dtlock_t ** dtlock)
* the entry logged to avoid applying previous updates
* to the same slots)
*/
static
void
dtTruncateEntry
(
dtpage_t
*
p
,
int
ti
,
dtlock_t
**
dtlock
)
static
void
dtTruncateEntry
(
dtpage_t
*
p
,
int
ti
,
struct
dt_lock
**
dtlock
)
{
int
tsi
;
/* truncate entry slot index */
s8
*
stbl
;
dtslot_
t
*
t
;
struct
dtslo
t
*
t
;
int
si
,
freecnt
;
dtlock_t
*
dtlck
=
*
dtlock
;
lv_t
*
lv
;
struct
dt_lock
*
dtlck
=
*
dtlock
;
struct
lv
*
lv
;
int
fsi
,
xsi
,
n
;
/* get free entry slot index */
...
...
@@ -4117,17 +4121,17 @@ static void dtTruncateEntry(dtpage_t * p, int ti, dtlock_t ** dtlock)
/* open new linelock */
if
(
dtlck
->
index
>=
dtlck
->
maxcnt
)
dtlck
=
(
dtlock_t
*
)
txLinelock
(
dtlck
);
lv
=
(
lv_t
*
)
&
dtlck
->
lv
[
dtlck
->
index
];
dtlck
=
(
struct
dt_lock
*
)
txLinelock
(
dtlck
);
lv
=
&
dtlck
->
lv
[
dtlck
->
index
];
lv
->
offset
=
tsi
;
/* get the head/only segment */
t
=
&
p
->
slot
[
tsi
];
ASSERT
(
p
->
header
.
flag
&
BT_INTERNAL
);
((
idtentry_t
*
)
t
)
->
namlen
=
0
;
si
=
((
idtentry_t
*
)
t
)
->
next
;
((
idtentry_t
*
)
t
)
->
next
=
-
1
;
((
struct
idtentry
*
)
t
)
->
namlen
=
0
;
si
=
((
struct
idtentry
*
)
t
)
->
next
;
((
struct
idtentry
*
)
t
)
->
next
=
-
1
;
n
=
1
;
freecnt
=
0
;
...
...
@@ -4146,8 +4150,8 @@ static void dtTruncateEntry(dtpage_t * p, int ti, dtlock_t ** dtlock)
if
(
dtlck
->
index
<
dtlck
->
maxcnt
)
lv
++
;
else
{
dtlck
=
(
dtlock_t
*
)
txLinelock
(
dtlck
);
lv
=
(
lv_t
*
)
&
dtlck
->
lv
[
0
];
dtlck
=
(
struct
dt_lock
*
)
txLinelock
(
dtlck
);
lv
=
&
dtlck
->
lv
[
0
];
}
lv
->
offset
=
si
;
...
...
@@ -4183,13 +4187,13 @@ static void dtTruncateEntry(dtpage_t * p, int ti, dtlock_t ** dtlock)
*/
static
void
dtLinelockFreelist
(
dtpage_t
*
p
,
/* directory page */
int
m
,
/* max slot index */
dtlock_t
**
dtlock
)
struct
dt_lock
**
dtlock
)
{
int
fsi
;
/* free entry slot index */
dtslot_
t
*
t
;
struct
dtslo
t
*
t
;
int
si
;
dtlock_t
*
dtlck
=
*
dtlock
;
lv_t
*
lv
;
struct
dt_lock
*
dtlck
=
*
dtlock
;
struct
lv
*
lv
;
int
xsi
,
n
;
/* get free entry slot index */
...
...
@@ -4197,8 +4201,8 @@ static void dtLinelockFreelist(dtpage_t * p, /* directory page */
/* open new linelock */
if
(
dtlck
->
index
>=
dtlck
->
maxcnt
)
dtlck
=
(
dtlock_t
*
)
txLinelock
(
dtlck
);
lv
=
(
lv_t
*
)
&
dtlck
->
lv
[
dtlck
->
index
];
dtlck
=
(
struct
dt_lock
*
)
txLinelock
(
dtlck
);
lv
=
&
dtlck
->
lv
[
dtlck
->
index
];
lv
->
offset
=
fsi
;
...
...
@@ -4220,8 +4224,8 @@ static void dtLinelockFreelist(dtpage_t * p, /* directory page */
if
(
dtlck
->
index
<
dtlck
->
maxcnt
)
lv
++
;
else
{
dtlck
=
(
dtlock_t
*
)
txLinelock
(
dtlck
);
lv
=
(
lv_t
*
)
&
dtlck
->
lv
[
0
];
dtlck
=
(
struct
dt_lock
*
)
txLinelock
(
dtlck
);
lv
=
&
dtlck
->
lv
[
0
];
}
lv
->
offset
=
si
;
...
...
@@ -4262,20 +4266,20 @@ static void dtLinelockFreelist(dtpage_t * p, /* directory page */
* 0 - If successfully modified entry
*/
int
dtModify
(
tid_t
tid
,
struct
inode
*
ip
,
component_t
*
key
,
ino_t
*
orig_ino
,
ino_t
new_ino
,
int
flag
)
struct
component_name
*
key
,
ino_t
*
orig_ino
,
ino_t
new_ino
,
int
flag
)
{
int
rc
;
s64
bn
;
metapage_t
*
mp
;
struct
metapage
*
mp
;
dtpage_t
*
p
;
int
index
;
btstack_t
btstack
;
tlock_t
*
tlck
;
dtlock_t
*
dtlck
;
lv_t
*
lv
;
struct
btstack
btstack
;
struct
tlock
*
tlck
;
struct
dt_lock
*
dtlck
;
struct
lv
*
lv
;
s8
*
stbl
;
int
entry_si
;
/* entry slot index */
ldtentry_t
*
entry
;
struct
ldtentry
*
entry
;
/*
* search for the entry to modify:
...
...
@@ -4293,7 +4297,7 @@ int dtModify(tid_t tid, struct inode *ip,
* acquire a transaction lock on the leaf page of named entry
*/
tlck
=
txLock
(
tid
,
ip
,
mp
,
tlckDTREE
|
tlckENTRY
);
dtlck
=
(
dtlock_t
*
)
&
tlck
->
lock
;
dtlck
=
(
struct
dt_lock
*
)
&
tlck
->
lock
;
/* get slot index of the entry */
stbl
=
DT_GETSTBL
(
p
);
...
...
@@ -4301,13 +4305,13 @@ int dtModify(tid_t tid, struct inode *ip,
/* linelock entry */
ASSERT
(
dtlck
->
index
==
0
);
lv
=
(
lv_t
*
)
&
dtlck
->
lv
[
0
];
lv
=
&
dtlck
->
lv
[
0
];
lv
->
offset
=
entry_si
;
lv
->
length
=
1
;
dtlck
->
index
++
;
/* get the head/only segment */
entry
=
(
ldtentry_t
*
)
&
p
->
slot
[
entry_si
];
entry
=
(
struct
ldtentry
*
)
&
p
->
slot
[
entry_si
];
/* substitute the inode number of the entry */
entry
->
inumber
=
cpu_to_le32
(
new_ino
);
...
...
@@ -4327,14 +4331,14 @@ int dtModify(tid_t tid, struct inode *ip,
int
dtDisplayTree
(
struct
inode
*
ip
)
{
int
rc
;
metapage_t
*
mp
;
struct
metapage
*
mp
;
dtpage_t
*
p
;
s64
bn
,
pbn
;
int
index
,
lastindex
,
v
,
h
;
pxd_t
*
xd
;
btstack_t
btstack
;
btframe_t
*
btsp
;
btframe_t
*
parent
;
struct
btstack
btstack
;
struct
btframe
*
btsp
;
struct
btframe
*
parent
;
u8
*
stbl
;
int
psize
=
256
;
...
...
@@ -4465,14 +4469,14 @@ int dtDisplayTree(struct inode *ip)
int
dtDisplayPage
(
struct
inode
*
ip
,
s64
bn
,
dtpage_t
*
p
)
{
int
rc
;
metapage_t
*
mp
;
ldtentry_t
*
lh
;
idtentry_t
*
ih
;
struct
metapage
*
mp
;
struct
ldtentry
*
lh
;
struct
idtentry
*
ih
;
pxd_t
*
xd
;
int
i
,
j
;
u8
*
stbl
;
wchar_t
name
[
JFS_NAME_MAX
+
1
];
component_t
key
=
{
0
,
name
};
struct
component_name
key
=
{
0
,
name
};
int
freepage
=
0
;
if
(
p
==
NULL
)
{
...
...
@@ -4492,11 +4496,11 @@ int dtDisplayPage(struct inode *ip, s64 bn, dtpage_t * p)
dtGetKey
(
p
,
i
,
&
key
,
JFS_SBI
(
ip
->
i_sb
)
->
mntflag
);
key
.
name
[
key
.
namlen
]
=
'\0'
;
if
(
p
->
header
.
flag
&
BT_LEAF
)
{
lh
=
(
ldtentry_t
*
)
&
p
->
slot
[
stbl
[
i
]];
lh
=
(
struct
ldtentry
*
)
&
p
->
slot
[
stbl
[
i
]];
printf
(
"
\t
[%d] %s:%d"
,
i
,
key
.
name
,
le32_to_cpu
(
lh
->
inumber
));
}
else
{
ih
=
(
idtentry_t
*
)
&
p
->
slot
[
stbl
[
i
]];
ih
=
(
struct
idtentry
*
)
&
p
->
slot
[
stbl
[
i
]];
xd
=
(
pxd_t
*
)
ih
;
bn
=
addressPXD
(
xd
);
printf
(
"
\t
[%d] %s:0x%Lx"
,
i
,
key
.
name
,
bn
);
...
...
fs/jfs/jfs_dtree.h
View file @
8916919b
...
...
@@ -44,11 +44,11 @@ typedef union {
/*
* directory page slot
*/
typedef
struc
t
{
struct
dtslo
t
{
s8
next
;
/* 1: */
s8
cnt
;
/* 1: */
wchar_t
name
[
15
];
/* 30: */
}
dtslot_t
;
/* (32) */
}
;
/* (32) */
#define DATASLOTSIZE 16
...
...
@@ -62,13 +62,13 @@ typedef struct {
/*
* internal node entry head/only segment
*/
typedef
struct
{
struct
idtentry
{
pxd_t
xd
;
/* 8: child extent descriptor */
s8
next
;
/* 1: */
u8
namlen
;
/* 1: */
wchar_t
name
[
11
];
/* 22: 2-byte aligned */
}
idtentry_t
;
/* (32) */
}
;
/* (32) */
#define DTIHDRSIZE 10
#define DTIHDRDATALEN 11
...
...
@@ -82,13 +82,13 @@ typedef struct {
*
* For legacy filesystems, name contains 13 wchars -- no index field
*/
typedef
struct
{
struct
ldtentry
{
u32
inumber
;
/* 4: 4-byte aligned */
s8
next
;
/* 1: */
u8
namlen
;
/* 1: */
wchar_t
name
[
11
];
/* 22: 2-byte aligned */
u32
index
;
/* 4: index into dir_table */
}
ldtentry_t
;
/* (32) */
}
;
/* (32) */
#define DTLHDRSIZE 6
#define DTLHDRDATALEN_LEGACY 13
/* Old (OS/2) format */
...
...
@@ -108,14 +108,14 @@ typedef struct {
*/
#define MAX_INLINE_DIRTABLE_ENTRY 13
typedef
struct
dir_table_slot
{
struct
dir_table_slot
{
u8
rsrvd
;
/* 1: */
u8
flag
;
/* 1: 0 if free */
u8
slot
;
/* 1: slot within leaf page of entry */
u8
addr1
;
/* 1: upper 8 bits of leaf page address */
u32
addr2
;
/* 4: lower 32 bits of leaf page address -OR-
index of next entry when this entry was deleted */
}
dir_table_slot_t
;
/* (8) */
}
;
/* (8) */
/*
* flag values
...
...
@@ -144,7 +144,7 @@ typedef struct dir_table_slot {
*/
typedef
union
{
struct
{
dasd_t
DASD
;
/* 16: DASD limit/usage info F226941
*/
struct
dasd
DASD
;
/* 16: DASD limit/usage info
*/
u8
flag
;
/* 1: */
u8
nextindex
;
/* 1: next free entry in stbl */
...
...
@@ -156,7 +156,7 @@ typedef union {
s8
stbl
[
8
];
/* 8: sorted entry index table */
}
header
;
/* (32) */
dtslot_
t
slot
[
9
];
struct
dtslo
t
slot
[
9
];
}
dtroot_t
;
#define PARENT(IP) \
...
...
@@ -207,7 +207,7 @@ typedef union {
pxd_t
self
;
/* 8: self pxd */
}
header
;
/* (32) */
dtslot_
t
slot
[
128
];
struct
dtslo
t
slot
[
128
];
}
dtpage_t
;
#define DTPAGEMAXSLOT 128
...
...
@@ -256,20 +256,20 @@ typedef union {
*/
extern
void
dtInitRoot
(
tid_t
tid
,
struct
inode
*
ip
,
u32
idotdot
);
extern
int
dtSearch
(
struct
inode
*
ip
,
component_t
*
key
,
ino_t
*
data
,
btstack_t
*
btstack
,
int
flag
);
extern
int
dtSearch
(
struct
inode
*
ip
,
struct
component_name
*
key
,
ino_t
*
data
,
struct
btstack
*
btstack
,
int
flag
);
extern
int
dtInsert
(
tid_t
tid
,
struct
inode
*
ip
,
component_t
*
key
,
ino_t
*
ino
,
btstack_t
*
btstack
);
extern
int
dtInsert
(
tid_t
tid
,
struct
inode
*
ip
,
struct
component_name
*
key
,
ino_t
*
ino
,
struct
btstack
*
btstack
);
extern
int
dtDelete
(
tid_t
tid
,
struct
inode
*
ip
,
component_t
*
key
,
ino_t
*
data
,
int
flag
);
extern
int
dtDelete
(
tid_t
tid
,
struct
inode
*
ip
,
struct
component_name
*
key
,
ino_t
*
data
,
int
flag
);
extern
int
dtRelocate
(
tid_t
tid
,
struct
inode
*
ip
,
s64
lmxaddr
,
pxd_t
*
opxd
,
s64
nxaddr
);
extern
int
dtModify
(
tid_t
tid
,
struct
inode
*
ip
,
component_t
*
key
,
ino_t
*
orig_ino
,
ino_t
new_ino
,
int
flag
);
extern
int
dtModify
(
tid_t
tid
,
struct
inode
*
ip
,
struct
component_name
*
key
,
ino_t
*
orig_ino
,
ino_t
new_ino
,
int
flag
);
extern
int
jfs_readdir
(
struct
file
*
filp
,
void
*
dirent
,
filldir_t
filldir
);
...
...
fs/jfs/jfs_extent.c
View file @
8916919b
...
...
@@ -358,8 +358,8 @@ int extRealloc(struct inode *ip, s64 nxlen, xad_t * xp, boolean_t abnr)
int
extHint
(
struct
inode
*
ip
,
s64
offset
,
xad_t
*
xp
)
{
struct
super_block
*
sb
=
ip
->
i_sb
;
xadlist_
t
xadl
;
lxdlist_
t
lxdl
;
struct
xadlis
t
xadl
;
struct
lxdlis
t
lxdl
;
lxd_t
lxd
;
s64
prev
;
int
rc
,
nbperpage
=
JFS_SBI
(
sb
)
->
nbperpage
;
...
...
@@ -516,7 +516,7 @@ extBalloc(struct inode *ip, s64 hint, s64 * nblocks, s64 * blkno)
{
s64
nb
,
nblks
,
daddr
,
max
;
int
rc
,
nbperpage
=
JFS_SBI
(
ip
->
i_sb
)
->
nbperpage
;
bmap_t
*
mp
=
JFS_SBI
(
ip
->
i_sb
)
->
bmap
;
struct
bmap
*
mp
=
JFS_SBI
(
ip
->
i_sb
)
->
bmap
;
/* get the number of blocks to initially attempt to allocate.
* we'll first try the number of blocks requested unless this
...
...
fs/jfs/jfs_imap.c
View file @
8916919b
...
...
@@ -74,19 +74,19 @@ extern struct address_space_operations jfs_aops;
/*
* forward references
*/
static
int
diAllocAG
(
imap_t
*
,
int
,
boolean_t
,
struct
inode
*
);
static
int
diAllocAny
(
imap_t
*
,
int
,
boolean_t
,
struct
inode
*
);
static
int
diAllocBit
(
imap_t
*
,
iag_t
*
,
int
);
static
int
diAllocExt
(
imap_t
*
,
int
,
struct
inode
*
);
static
int
diAllocIno
(
imap_t
*
,
int
,
struct
inode
*
);
static
int
diAllocAG
(
struct
inomap
*
,
int
,
boolean_t
,
struct
inode
*
);
static
int
diAllocAny
(
struct
inomap
*
,
int
,
boolean_t
,
struct
inode
*
);
static
int
diAllocBit
(
struct
inomap
*
,
struct
iag
*
,
int
);
static
int
diAllocExt
(
struct
inomap
*
,
int
,
struct
inode
*
);
static
int
diAllocIno
(
struct
inomap
*
,
int
,
struct
inode
*
);
static
int
diFindFree
(
u32
,
int
);
static
int
diNewExt
(
imap_t
*
,
iag_t
*
,
int
);
static
int
diNewIAG
(
imap_t
*
,
int
*
,
int
,
metapage_t
**
);
static
int
diNewExt
(
struct
inomap
*
,
struct
iag
*
,
int
);
static
int
diNewIAG
(
struct
inomap
*
,
int
*
,
int
,
struct
metapage
**
);
static
void
duplicateIXtree
(
struct
super_block
*
,
s64
,
int
,
s64
*
);
static
int
diIAGRead
(
imap_t
*
imap
,
int
,
metapage_t
**
);
static
int
copy_from_dinode
(
dinode_t
*
,
struct
inode
*
);
static
void
copy_to_dinode
(
dinode_t
*
,
struct
inode
*
);
static
int
diIAGRead
(
struct
inomap
*
imap
,
int
,
struct
metapage
**
);
static
int
copy_from_dinode
(
struct
dinode
*
,
struct
inode
*
);
static
void
copy_to_dinode
(
struct
dinode
*
,
struct
inode
*
);
/*
* debug code for double-checking inode map
...
...
@@ -98,9 +98,9 @@ static void copy_to_dinode(dinode_t *, struct inode *);
#define DBG_DIALLOC(imap, ino) DBGdiAlloc(imap, ino)
#define DBG_DIFREE(imap, ino) DBGdiFree(imap, ino)
static
void
*
DBGdiInit
(
imap_t
*
imap
);
static
void
DBGdiAlloc
(
imap_t
*
imap
,
ino_t
ino
);
static
void
DBGdiFree
(
imap_t
*
imap
,
ino_t
ino
);
static
void
*
DBGdiInit
(
struct
inomap
*
imap
);
static
void
DBGdiAlloc
(
struct
inomap
*
imap
,
ino_t
ino
);
static
void
DBGdiFree
(
struct
inomap
*
imap
,
ino_t
ino
);
#else
#define DBG_DIINIT(imap)
#define DBG_DIALLOC(imap, ino)
...
...
@@ -113,7 +113,7 @@ static void DBGdiFree(imap_t * imap, ino_t ino);
* FUNCTION: initialize the incore inode map control structures for
* a fileset or aggregate init time.
*
* the inode map's control structure (dinomap
_t
) is
* the inode map's control structure (dinomap) is
* brought in from disk and placed in virtual memory.
*
* PARAMETERS:
...
...
@@ -126,16 +126,16 @@ static void DBGdiFree(imap_t * imap, ino_t ino);
*/
int
diMount
(
struct
inode
*
ipimap
)
{
imap_t
*
imap
;
metapage_t
*
mp
;
struct
inomap
*
imap
;
struct
metapage
*
mp
;
int
index
;
dinomap_t
*
dinom_le
;
struct
dinomap
*
dinom_le
;
/*
* allocate/initialize the in-memory inode map control structure
*/
/* allocate the in-memory inode map control structure. */
imap
=
(
imap_t
*
)
kmalloc
(
sizeof
(
imap_t
),
GFP_KERNEL
);
imap
=
(
struct
inomap
*
)
kmalloc
(
sizeof
(
struct
inomap
),
GFP_KERNEL
);
if
(
imap
==
NULL
)
{
jERROR
(
1
,
(
"diMount: kmalloc returned NULL!
\n
"
));
return
(
ENOMEM
);
...
...
@@ -152,7 +152,7 @@ int diMount(struct inode *ipimap)
}
/* copy the on-disk version to the in-memory version. */
dinom_le
=
(
dinomap_t
*
)
mp
->
data
;
dinom_le
=
(
struct
dinomap
*
)
mp
->
data
;
imap
->
im_freeiag
=
le32_to_cpu
(
dinom_le
->
in_freeiag
);
imap
->
im_nextiag
=
le32_to_cpu
(
dinom_le
->
in_nextiag
);
atomic_set
(
&
imap
->
im_numinos
,
le32_to_cpu
(
dinom_le
->
in_numinos
));
...
...
@@ -212,7 +212,7 @@ int diMount(struct inode *ipimap)
*/
int
diUnmount
(
struct
inode
*
ipimap
,
int
mounterror
)
{
imap_t
*
imap
=
JFS_IP
(
ipimap
)
->
i_imap
;
struct
inomap
*
imap
=
JFS_IP
(
ipimap
)
->
i_imap
;
/*
* update the on-disk inode map control structure
...
...
@@ -240,9 +240,9 @@ int diUnmount(struct inode *ipimap, int mounterror)
*/
int
diSync
(
struct
inode
*
ipimap
)
{
dinomap_t
*
dinom_le
;
imap_t
*
imp
=
JFS_IP
(
ipimap
)
->
i_imap
;
metapage_t
*
mp
;
struct
dinomap
*
dinom_le
;
struct
inomap
*
imp
=
JFS_IP
(
ipimap
)
->
i_imap
;
struct
metapage
*
mp
;
int
index
;
/*
...
...
@@ -258,8 +258,7 @@ int diSync(struct inode *ipimap)
}
/* copy the in-memory version to the on-disk version */
//memcpy(mp->data, &imp->im_imap,sizeof(dinomap_t));
dinom_le
=
(
dinomap_t
*
)
mp
->
data
;
dinom_le
=
(
struct
dinomap
*
)
mp
->
data
;
dinom_le
->
in_freeiag
=
cpu_to_le32
(
imp
->
im_freeiag
);
dinom_le
->
in_nextiag
=
cpu_to_le32
(
imp
->
im_nextiag
);
dinom_le
->
in_numinos
=
cpu_to_le32
(
atomic_read
(
&
imp
->
im_numinos
));
...
...
@@ -330,11 +329,11 @@ int diRead(struct inode *ip)
struct
jfs_sb_info
*
sbi
=
JFS_SBI
(
ip
->
i_sb
);
int
iagno
,
ino
,
extno
,
rc
;
struct
inode
*
ipimap
;
dinode_t
*
dp
;
iag_t
*
iagp
;
metapage_t
*
mp
;
struct
dinode
*
dp
;
struct
iag
*
iagp
;
struct
metapage
*
mp
;
s64
blkno
,
agstart
;
imap_t
*
imap
;
struct
inomap
*
imap
;
int
block_offset
;
int
inodes_left
;
uint
pageno
;
...
...
@@ -358,7 +357,7 @@ int diRead(struct inode *ip)
return
(
rc
);
}
iagp
=
(
iag_t
*
)
mp
->
data
;
iagp
=
(
struct
iag
*
)
mp
->
data
;
/* determine inode extent that holds the disk inode */
ino
=
ip
->
i_ino
&
(
INOSPERIAG
-
1
);
...
...
@@ -410,7 +409,7 @@ int diRead(struct inode *ip)
}
/* locate the the disk inode requested */
dp
=
(
dinode_t
*
)
mp
->
data
;
dp
=
(
struct
dinode
*
)
mp
->
data
;
dp
+=
rel_inode
;
if
(
ip
->
i_ino
!=
le32_to_cpu
(
dp
->
di_number
))
{
...
...
@@ -461,9 +460,9 @@ struct inode *diReadSpecial(struct super_block *sb, ino_t inum, int secondary)
{
struct
jfs_sb_info
*
sbi
=
JFS_SBI
(
sb
);
uint
address
;
dinode_t
*
dp
;
struct
dinode
*
dp
;
struct
inode
*
ip
;
metapage_t
*
mp
;
struct
metapage
*
mp
;
ip
=
new_inode
(
sb
);
if
(
ip
==
NULL
)
{
...
...
@@ -499,7 +498,7 @@ struct inode *diReadSpecial(struct super_block *sb, ino_t inum, int secondary)
}
/* get the pointer to the disk inode of interest */
dp
=
(
dinode_t
*
)
(
mp
->
data
);
dp
=
(
struct
dinode
*
)
(
mp
->
data
);
dp
+=
inum
%
8
;
/* 8 inodes per 4K page */
/* copy on-disk inode to in-memory inode */
...
...
@@ -544,9 +543,9 @@ void diWriteSpecial(struct inode *ip, int secondary)
{
struct
jfs_sb_info
*
sbi
=
JFS_SBI
(
ip
->
i_sb
);
uint
address
;
dinode_t
*
dp
;
struct
dinode
*
dp
;
ino_t
inum
=
ip
->
i_ino
;
metapage_t
*
mp
;
struct
metapage
*
mp
;
ip
->
i_state
&=
~
I_DIRTY
;
...
...
@@ -571,7 +570,7 @@ void diWriteSpecial(struct inode *ip, int secondary)
}
/* get the pointer to the disk inode of interest */
dp
=
(
dinode_t
*
)
(
mp
->
data
);
dp
=
(
struct
dinode
*
)
(
mp
->
data
);
dp
+=
inum
%
8
;
/* 8 inodes per 4K page */
/* copy on-disk inode to in-memory inode */
...
...
@@ -634,20 +633,20 @@ int diWrite(tid_t tid, struct inode *ip)
struct
jfs_inode_info
*
jfs_ip
=
JFS_IP
(
ip
);
int
rc
=
0
;
s32
ino
;
dinode_t
*
dp
;
struct
dinode
*
dp
;
s64
blkno
;
int
block_offset
;
int
inodes_left
;
metapage_t
*
mp
;
struct
metapage
*
mp
;
uint
pageno
;
int
rel_inode
;
int
dioffset
;
struct
inode
*
ipimap
;
uint
type
;
lid_t
lid
;
tlock_t
*
ditlck
,
*
tlck
;
linelock_t
*
dilinelock
,
*
ilinelock
;
lv_t
*
lv
;
struct
tlock
*
ditlck
,
*
tlck
;
struct
linelock
*
dilinelock
,
*
ilinelock
;
struct
lv
*
lv
;
int
n
;
ipimap
=
jfs_ip
->
ipimap
;
...
...
@@ -688,7 +687,7 @@ int diWrite(tid_t tid, struct inode *ip)
return
(
EIO
);
/* get the pointer to the disk inode */
dp
=
(
dinode_t
*
)
mp
->
data
;
dp
=
(
struct
dinode
*
)
mp
->
data
;
dp
+=
rel_inode
;
dioffset
=
(
ino
&
(
INOSPERPAGE
-
1
))
<<
L2DISIZE
;
...
...
@@ -700,7 +699,7 @@ int diWrite(tid_t tid, struct inode *ip)
if
((
ditlck
=
txLock
(
tid
,
ipimap
,
mp
,
tlckINODE
|
tlckENTRY
))
==
NULL
)
goto
retry
;
dilinelock
=
(
linelock_t
*
)
&
ditlck
->
lock
;
dilinelock
=
(
struct
linelock
*
)
&
ditlck
->
lock
;
/*
* copy btree root from in-memory inode to on-disk inode
...
...
@@ -728,14 +727,14 @@ int diWrite(tid_t tid, struct inode *ip)
assert
(
tlck
->
type
&
tlckXTREE
);
tlck
->
type
|=
tlckBTROOT
;
tlck
->
mp
=
mp
;
ilinelock
=
(
linelock_t
*
)
&
tlck
->
lock
;
ilinelock
=
(
struct
linelock
*
)
&
tlck
->
lock
;
/*
* copy xtree root from inode to dinode:
*/
p
=
&
jfs_ip
->
i_xtroot
;
xp
=
(
xtpage_t
*
)
&
dp
->
di_dirtable
;
lv
=
(
lv_t
*
)
&
ilinelock
->
lv
;
lv
=
ilinelock
->
lv
;
for
(
n
=
0
;
n
<
ilinelock
->
index
;
n
++
,
lv
++
)
{
memcpy
(
&
xp
->
xad
[
lv
->
offset
],
&
p
->
xad
[
lv
->
offset
],
lv
->
length
<<
L2XTSLOTSIZE
);
...
...
@@ -757,7 +756,7 @@ int diWrite(tid_t tid, struct inode *ip)
type
=
tlck
->
type
;
tlck
->
type
|=
tlckBTROOT
;
tlck
->
mp
=
mp
;
ilinelock
=
(
linelock_t
*
)
&
tlck
->
lock
;
ilinelock
=
(
struct
linelock
*
)
&
tlck
->
lock
;
/*
* regular file: 16 byte (XAD slot) granularity
...
...
@@ -771,7 +770,7 @@ int diWrite(tid_t tid, struct inode *ip)
*/
p
=
&
jfs_ip
->
i_xtroot
;
xp
=
&
dp
->
di_xtroot
;
lv
=
(
lv_t
*
)
&
ilinelock
->
lv
;
lv
=
ilinelock
->
lv
;
for
(
n
=
0
;
n
<
ilinelock
->
index
;
n
++
,
lv
++
)
{
memcpy
(
&
xp
->
xad
[
lv
->
offset
],
&
p
->
xad
[
lv
->
offset
],
lv
->
length
<<
L2XTSLOTSIZE
);
...
...
@@ -795,7 +794,7 @@ int diWrite(tid_t tid, struct inode *ip)
*/
p
=
(
dtpage_t
*
)
&
jfs_ip
->
i_dtroot
;
xp
=
(
dtpage_t
*
)
&
dp
->
di_dtroot
;
lv
=
(
lv_t
*
)
&
ilinelock
->
lv
;
lv
=
ilinelock
->
lv
;
for
(
n
=
0
;
n
<
ilinelock
->
index
;
n
++
,
lv
++
)
{
memcpy
(
&
xp
->
slot
[
lv
->
offset
],
&
p
->
slot
[
lv
->
offset
],
lv
->
length
<<
L2DTSLOTSIZE
);
...
...
@@ -809,7 +808,7 @@ int diWrite(tid_t tid, struct inode *ip)
* copy inline symlink from in-memory inode to on-disk inode
*/
if
(
S_ISLNK
(
ip
->
i_mode
)
&&
ip
->
i_size
<
IDATASIZE
)
{
lv
=
(
lv_t
*
)
&
dilinelock
->
lv
[
dilinelock
->
index
];
lv
=
&
dilinelock
->
lv
[
dilinelock
->
index
];
lv
->
offset
=
(
dioffset
+
2
*
128
)
>>
L2INODESLOTSIZE
;
lv
->
length
=
2
;
memcpy
(
&
dp
->
di_fastsymlink
,
jfs_ip
->
i_inline
,
IDATASIZE
);
...
...
@@ -820,7 +819,7 @@ int diWrite(tid_t tid, struct inode *ip)
* 128 byte slot granularity
*/
if
(
test_cflag
(
COMMIT_Inlineea
,
ip
))
{
lv
=
(
lv_t
*
)
&
dilinelock
->
lv
[
dilinelock
->
index
];
lv
=
&
dilinelock
->
lv
[
dilinelock
->
index
];
lv
->
offset
=
(
dioffset
+
3
*
128
)
>>
L2INODESLOTSIZE
;
lv
->
length
=
1
;
memcpy
(
&
dp
->
di_inlineea
,
jfs_ip
->
i_inline_ea
,
INODESLOTSIZE
);
...
...
@@ -833,7 +832,7 @@ int diWrite(tid_t tid, struct inode *ip)
* lock/copy inode base: 128 byte slot granularity
*/
// baseDinode:
lv
=
(
lv_t
*
)
&
dilinelock
->
lv
[
dilinelock
->
index
];
lv
=
&
dilinelock
->
lv
[
dilinelock
->
index
];
lv
->
offset
=
dioffset
>>
L2INODESLOTSIZE
;
copy_to_dinode
(
dp
,
ip
);
if
(
test_and_clear_cflag
(
COMMIT_Dirtable
,
ip
))
{
...
...
@@ -851,7 +850,7 @@ int diWrite(tid_t tid, struct inode *ip)
*/
if
(
S_ISDIR
(
ip
->
i_mode
)
&&
(
ip
->
i_ipmnt
->
i_mntflag
&
JFS_DASD_ENABLED
))
bcopy
(
&
ip
->
i_DASD
,
&
dp
->
di_DASD
,
sizeof
(
dasd_t
));
bcopy
(
&
ip
->
i_DASD
,
&
dp
->
di_DASD
,
sizeof
(
struct
dasd
));
#endif
/* _JFS_FASTDASD */
/* release the buffer holding the updated on-disk inode.
...
...
@@ -905,18 +904,18 @@ int diFree(struct inode *ip)
{
int
rc
;
ino_t
inum
=
ip
->
i_ino
;
iag_t
*
iagp
,
*
aiagp
,
*
biagp
,
*
ciagp
,
*
diagp
;
metapage_t
*
mp
,
*
amp
,
*
bmp
,
*
cmp
,
*
dmp
;
struct
iag
*
iagp
,
*
aiagp
,
*
biagp
,
*
ciagp
,
*
diagp
;
struct
metapage
*
mp
,
*
amp
,
*
bmp
,
*
cmp
,
*
dmp
;
int
iagno
,
ino
,
extno
,
bitno
,
sword
,
agno
;
int
back
,
fwd
;
u32
bitmap
,
mask
;
struct
inode
*
ipimap
=
JFS_SBI
(
ip
->
i_sb
)
->
ipimap
;
imap_t
*
imap
=
JFS_IP
(
ipimap
)
->
i_imap
;
struct
inomap
*
imap
=
JFS_IP
(
ipimap
)
->
i_imap
;
pxd_t
freepxd
;
tid_t
tid
;
struct
inode
*
iplist
[
3
];
tlock_t
*
tlck
;
pxdlock_t
*
pxdlock
;
struct
tlock
*
tlck
;
struct
pxd_lock
*
pxdlock
;
/*
* This is just to suppress compiler warnings. The same logic that
...
...
@@ -960,7 +959,7 @@ int diFree(struct inode *ip)
AG_UNLOCK
(
imap
,
agno
);
return
(
rc
);
}
iagp
=
(
iag_t
*
)
mp
->
data
;
iagp
=
(
struct
iag
*
)
mp
->
data
;
/* get the inode number and extent number of the inode within
* the iag and the inode number within the extent.
...
...
@@ -1017,7 +1016,7 @@ int diFree(struct inode *ip)
release_metapage
(
mp
);
return
(
rc
);
}
aiagp
=
(
iag_t
*
)
amp
->
data
;
aiagp
=
(
struct
iag
*
)
amp
->
data
;
/* make current head point back to the iag.
*/
...
...
@@ -1096,7 +1095,7 @@ int diFree(struct inode *ip)
if
((
fwd
=
imap
->
im_agctl
[
agno
].
extfree
)
>=
0
)
{
if
((
rc
=
diIAGRead
(
imap
,
fwd
,
&
amp
)))
goto
error_out
;
aiagp
=
(
iag_t
*
)
amp
->
data
;
aiagp
=
(
struct
iag
*
)
amp
->
data
;
}
}
else
{
/* iag has free extents. check if the addition of a free
...
...
@@ -1113,13 +1112,13 @@ int diFree(struct inode *ip)
if
((
fwd
=
le32_to_cpu
(
iagp
->
extfreefwd
))
>=
0
)
{
if
((
rc
=
diIAGRead
(
imap
,
fwd
,
&
amp
)))
goto
error_out
;
aiagp
=
(
iag_t
*
)
amp
->
data
;
aiagp
=
(
struct
iag
*
)
amp
->
data
;
}
if
((
back
=
le32_to_cpu
(
iagp
->
extfreeback
))
>=
0
)
{
if
((
rc
=
diIAGRead
(
imap
,
back
,
&
bmp
)))
goto
error_out
;
biagp
=
(
iag_t
*
)
bmp
->
data
;
biagp
=
(
struct
iag
*
)
bmp
->
data
;
}
}
}
...
...
@@ -1142,30 +1141,30 @@ int diFree(struct inode *ip)
if
(
inofreefwd
>=
0
)
{
if
(
inofreefwd
==
fwd
)
ciagp
=
(
iag_t
*
)
amp
->
data
;
ciagp
=
(
struct
iag
*
)
amp
->
data
;
else
if
(
inofreefwd
==
back
)
ciagp
=
(
iag_t
*
)
bmp
->
data
;
ciagp
=
(
struct
iag
*
)
bmp
->
data
;
else
{
if
((
rc
=
diIAGRead
(
imap
,
inofreefwd
,
&
cmp
)))
goto
error_out
;
assert
(
cmp
!=
NULL
);
ciagp
=
(
iag_t
*
)
cmp
->
data
;
ciagp
=
(
struct
iag
*
)
cmp
->
data
;
}
assert
(
ciagp
!=
NULL
);
}
if
(
inofreeback
>=
0
)
{
if
(
inofreeback
==
fwd
)
diagp
=
(
iag_t
*
)
amp
->
data
;
diagp
=
(
struct
iag
*
)
amp
->
data
;
else
if
(
inofreeback
==
back
)
diagp
=
(
iag_t
*
)
bmp
->
data
;
diagp
=
(
struct
iag
*
)
bmp
->
data
;
else
{
if
((
rc
=
diIAGRead
(
imap
,
inofreeback
,
&
dmp
)))
goto
error_out
;
assert
(
dmp
!=
NULL
);
diagp
=
(
iag_t
*
)
dmp
->
data
;
diagp
=
(
struct
iag
*
)
dmp
->
data
;
}
assert
(
diagp
!=
NULL
);
}
...
...
@@ -1297,7 +1296,7 @@ int diFree(struct inode *ip)
* N.B. linelock is overlaid as freed extent descriptor;
*/
tlck
=
txLock
(
tid
,
ipimap
,
mp
,
tlckINODE
|
tlckFREE
);
pxdlock
=
(
pxdlock_t
*
)
&
tlck
->
lock
;
pxdlock
=
(
struct
pxd_lock
*
)
&
tlck
->
lock
;
pxdlock
->
flag
=
mlckFREEPXD
;
pxdlock
->
pxd
=
freepxd
;
pxdlock
->
index
=
1
;
...
...
@@ -1350,7 +1349,7 @@ int diFree(struct inode *ip)
* the inode.
*/
static
inline
void
diInitInode
(
struct
inode
*
ip
,
int
iagno
,
int
ino
,
int
extno
,
iag_t
*
iagp
)
diInitInode
(
struct
inode
*
ip
,
int
iagno
,
int
ino
,
int
extno
,
struct
iag
*
iagp
)
{
struct
jfs_sb_info
*
sbi
=
JFS_SBI
(
ip
->
i_sb
);
struct
jfs_inode_info
*
jfs_ip
=
JFS_IP
(
ip
);
...
...
@@ -1384,10 +1383,10 @@ int diAlloc(struct inode *pip, boolean_t dir, struct inode *ip)
int
nwords
,
rem
,
i
,
agno
;
u32
mask
,
inosmap
,
extsmap
;
struct
inode
*
ipimap
;
metapage_t
*
mp
;
struct
metapage
*
mp
;
ino_t
inum
;
iag_t
*
iagp
;
imap_t
*
imap
;
struct
iag
*
iagp
;
struct
inomap
*
imap
;
/* get the pointers to the inode map inode and the
* corresponding imap control structure.
...
...
@@ -1436,7 +1435,7 @@ int diAlloc(struct inode *pip, boolean_t dir, struct inode *ip)
IREAD_UNLOCK
(
ipimap
);
return
(
rc
);
}
iagp
=
(
iag_t
*
)
mp
->
data
;
iagp
=
(
struct
iag
*
)
mp
->
data
;
/* determine if new inode extent is allowed to be added to the iag.
* new inode extent can be added to the iag if the ag
...
...
@@ -1667,7 +1666,7 @@ int diAlloc(struct inode *pip, boolean_t dir, struct inode *ip)
* EIO - i/o error.
*/
static
int
diAllocAG
(
imap_t
*
imap
,
int
agno
,
boolean_t
dir
,
struct
inode
*
ip
)
diAllocAG
(
struct
inomap
*
imap
,
int
agno
,
boolean_t
dir
,
struct
inode
*
ip
)
{
int
rc
,
addext
,
numfree
,
numinos
;
...
...
@@ -1738,7 +1737,7 @@ diAllocAG(imap_t * imap, int agno, boolean_t dir, struct inode *ip)
* EIO - i/o error.
*/
static
int
diAllocAny
(
imap_t
*
imap
,
int
agno
,
boolean_t
dir
,
struct
inode
*
ip
)
diAllocAny
(
struct
inomap
*
imap
,
int
agno
,
boolean_t
dir
,
struct
inode
*
ip
)
{
int
ag
,
rc
;
int
maxag
=
JFS_SBI
(
imap
->
im_ipimap
->
i_sb
)
->
bmap
->
db_maxag
;
...
...
@@ -1802,11 +1801,11 @@ diAllocAny(imap_t * imap, int agno, boolean_t dir, struct inode *ip)
* ENOSPC - insufficient disk resources.
* EIO - i/o error.
*/
static
int
diAllocIno
(
imap_t
*
imap
,
int
agno
,
struct
inode
*
ip
)
static
int
diAllocIno
(
struct
inomap
*
imap
,
int
agno
,
struct
inode
*
ip
)
{
int
iagno
,
ino
,
rc
,
rem
,
extno
,
sword
;
metapage_t
*
mp
;
iag_t
*
iagp
;
struct
metapage
*
mp
;
struct
iag
*
iagp
;
/* check if there are iags on the ag's free inode list.
*/
...
...
@@ -1822,7 +1821,7 @@ static int diAllocIno(imap_t * imap, int agno, struct inode *ip)
IREAD_UNLOCK
(
imap
->
im_ipimap
);
return
(
rc
);
}
iagp
=
(
iag_t
*
)
mp
->
data
;
iagp
=
(
struct
iag
*
)
mp
->
data
;
/* better be free inodes in this iag if it is on the
* list.
...
...
@@ -1913,11 +1912,11 @@ static int diAllocIno(imap_t * imap, int agno, struct inode *ip)
* ENOSPC - insufficient disk resources.
* EIO - i/o error.
*/
static
int
diAllocExt
(
imap_t
*
imap
,
int
agno
,
struct
inode
*
ip
)
static
int
diAllocExt
(
struct
inomap
*
imap
,
int
agno
,
struct
inode
*
ip
)
{
int
rem
,
iagno
,
sword
,
extno
,
rc
;
metapage_t
*
mp
;
iag_t
*
iagp
;
struct
metapage
*
mp
;
struct
iag
*
iagp
;
/* check if the ag has any iags with free extents. if not,
* allocate a new iag for the ag.
...
...
@@ -1929,7 +1928,7 @@ static int diAllocExt(imap_t * imap, int agno, struct inode *ip)
if
((
rc
=
diNewIAG
(
imap
,
&
iagno
,
agno
,
&
mp
)))
{
return
(
rc
);
}
iagp
=
(
iag_t
*
)
mp
->
data
;
iagp
=
(
struct
iag
*
)
mp
->
data
;
/* set the ag number if this a brand new iag
*/
...
...
@@ -1942,7 +1941,7 @@ static int diAllocExt(imap_t * imap, int agno, struct inode *ip)
if
((
rc
=
diIAGRead
(
imap
,
iagno
,
&
mp
)))
{
assert
(
0
);
}
iagp
=
(
iag_t
*
)
mp
->
data
;
iagp
=
(
struct
iag
*
)
mp
->
data
;
}
/* using the free extent summary map, find a free extent.
...
...
@@ -2018,11 +2017,11 @@ static int diAllocExt(imap_t * imap, int agno, struct inode *ip)
* ENOSPC - insufficient disk resources.
* EIO - i/o error.
*/
static
int
diAllocBit
(
imap_t
*
imap
,
iag_t
*
iagp
,
int
ino
)
static
int
diAllocBit
(
struct
inomap
*
imap
,
struct
iag
*
iagp
,
int
ino
)
{
int
extno
,
bitno
,
agno
,
sword
,
rc
;
metapage_t
*
amp
,
*
bmp
;
iag_t
*
aiagp
=
0
,
*
biagp
=
0
;
struct
metapage
*
amp
,
*
bmp
;
struct
iag
*
aiagp
=
0
,
*
biagp
=
0
;
u32
mask
;
/* check if this is the last free inode within the iag.
...
...
@@ -2038,7 +2037,7 @@ static int diAllocBit(imap_t * imap, iag_t * iagp, int ino)
diIAGRead
(
imap
,
le32_to_cpu
(
iagp
->
inofreefwd
),
&
amp
)))
return
(
rc
);
aiagp
=
(
iag_t
*
)
amp
->
data
;
aiagp
=
(
struct
iag
*
)
amp
->
data
;
}
if
((
int
)
le32_to_cpu
(
iagp
->
inofreeback
)
>=
0
)
{
...
...
@@ -2050,7 +2049,7 @@ static int diAllocBit(imap_t * imap, iag_t * iagp, int ino)
release_metapage
(
amp
);
return
(
rc
);
}
biagp
=
(
iag_t
*
)
bmp
->
data
;
biagp
=
(
struct
iag
*
)
bmp
->
data
;
}
}
...
...
@@ -2158,17 +2157,17 @@ static int diAllocBit(imap_t * imap, iag_t * iagp, int ino)
* ENOSPC - insufficient disk resources.
* EIO - i/o error.
*/
static
int
diNewExt
(
imap_t
*
imap
,
iag_t
*
iagp
,
int
extno
)
static
int
diNewExt
(
struct
inomap
*
imap
,
struct
iag
*
iagp
,
int
extno
)
{
int
agno
,
iagno
,
fwd
,
back
,
freei
=
0
,
sword
,
rc
;
iag_t
*
aiagp
=
0
,
*
biagp
=
0
,
*
ciagp
=
0
;
metapage_t
*
amp
,
*
bmp
,
*
cmp
,
*
dmp
;
struct
iag
*
aiagp
=
0
,
*
biagp
=
0
,
*
ciagp
=
0
;
struct
metapage
*
amp
,
*
bmp
,
*
cmp
,
*
dmp
;
struct
inode
*
ipimap
;
s64
blkno
,
hint
;
int
i
,
j
;
u32
mask
;
ino_t
ino
;
dinode_t
*
dp
;
struct
dinode
*
dp
;
struct
jfs_sb_info
*
sbi
;
/* better have free extents.
...
...
@@ -2196,13 +2195,13 @@ static int diNewExt(imap_t * imap, iag_t * iagp, int extno)
if
((
fwd
=
le32_to_cpu
(
iagp
->
extfreefwd
))
>=
0
)
{
if
((
rc
=
diIAGRead
(
imap
,
fwd
,
&
amp
)))
return
(
rc
);
aiagp
=
(
iag_t
*
)
amp
->
data
;
aiagp
=
(
struct
iag
*
)
amp
->
data
;
}
if
((
back
=
le32_to_cpu
(
iagp
->
extfreeback
))
>=
0
)
{
if
((
rc
=
diIAGRead
(
imap
,
back
,
&
bmp
)))
goto
error_out
;
biagp
=
(
iag_t
*
)
bmp
->
data
;
biagp
=
(
struct
iag
*
)
bmp
->
data
;
}
}
else
{
/* the iag has free extents. if all extents are free
...
...
@@ -2216,7 +2215,7 @@ static int diNewExt(imap_t * imap, iag_t * iagp, int extno)
if
((
fwd
=
imap
->
im_agctl
[
agno
].
extfree
)
>=
0
)
{
if
((
rc
=
diIAGRead
(
imap
,
fwd
,
&
amp
)))
goto
error_out
;
aiagp
=
(
iag_t
*
)
amp
->
data
;
aiagp
=
(
struct
iag
*
)
amp
->
data
;
}
}
}
...
...
@@ -2239,7 +2238,7 @@ static int diNewExt(imap_t * imap, iag_t * iagp, int extno)
}
else
{
if
((
rc
=
diIAGRead
(
imap
,
freei
,
&
cmp
)))
goto
error_out
;
ciagp
=
(
iag_t
*
)
cmp
->
data
;
ciagp
=
(
struct
iag
*
)
cmp
->
data
;
}
assert
(
ciagp
!=
NULL
);
}
...
...
@@ -2272,7 +2271,7 @@ static int diNewExt(imap_t * imap, iag_t * iagp, int extno)
rc
=
EIO
;
goto
error_out
;
}
dp
=
(
dinode_t
*
)
dmp
->
data
;
dp
=
(
struct
dinode
*
)
dmp
->
data
;
/* initialize the inode number, mode, link count and
* inode extent address.
...
...
@@ -2433,15 +2432,15 @@ static int diNewExt(imap_t * imap, iag_t * iagp, int extno)
* new imap size;
*/
static
int
diNewIAG
(
imap_t
*
imap
,
int
*
iagnop
,
int
agno
,
metapage_t
**
mpp
)
diNewIAG
(
struct
inomap
*
imap
,
int
*
iagnop
,
int
agno
,
struct
metapage
**
mpp
)
{
int
rc
;
int
iagno
,
i
,
xlen
;
struct
inode
*
ipimap
;
struct
super_block
*
sb
;
struct
jfs_sb_info
*
sbi
;
metapage_t
*
mp
;
iag_t
*
iagp
;
struct
metapage
*
mp
;
struct
iag
*
iagp
;
s64
xaddr
=
0
;
s64
blkno
;
tid_t
tid
;
...
...
@@ -2521,10 +2520,10 @@ diNewIAG(imap_t * imap, int *iagnop, int agno, metapage_t ** mpp)
rc
=
EIO
;
goto
out
;
}
iagp
=
(
iag_t
*
)
mp
->
data
;
iagp
=
(
struct
iag
*
)
mp
->
data
;
/* init the iag */
memset
(
iagp
,
0
,
sizeof
(
iag_t
));
memset
(
iagp
,
0
,
sizeof
(
struct
iag
));
iagp
->
iagnum
=
cpu_to_le32
(
iagno
);
iagp
->
inofreefwd
=
iagp
->
inofreeback
=
-
1
;
iagp
->
extfreefwd
=
iagp
->
extfreeback
=
-
1
;
...
...
@@ -2619,7 +2618,7 @@ diNewIAG(imap_t * imap, int *iagnop, int agno, metapage_t ** mpp)
rc
=
EIO
;
goto
out
;
}
iagp
=
(
iag_t
*
)
mp
->
data
;
iagp
=
(
struct
iag
*
)
mp
->
data
;
/* remove the iag from the iag free list */
imap
->
im_freeiag
=
le32_to_cpu
(
iagp
->
iagfree
);
...
...
@@ -2657,7 +2656,7 @@ diNewIAG(imap_t * imap, int *iagnop, int agno, metapage_t ** mpp)
* 0 - success.
* EIO - i/o error.
*/
static
int
diIAGRead
(
imap_t
*
imap
,
int
iagno
,
metapage_t
**
mpp
)
static
int
diIAGRead
(
struct
inomap
*
imap
,
int
iagno
,
struct
metapage
**
mpp
)
{
struct
inode
*
ipimap
=
imap
->
im_ipimap
;
s64
blkno
;
...
...
@@ -2719,15 +2718,15 @@ static int diFindFree(u32 word, int start)
*/
int
diUpdatePMap
(
struct
inode
*
ipimap
,
unsigned
long
inum
,
boolean_t
is_free
,
tblock_t
*
tblk
)
unsigned
long
inum
,
boolean_t
is_free
,
struct
tblock
*
tblk
)
{
int
rc
;
iag_t
*
iagp
;
metapage_t
*
mp
;
struct
iag
*
iagp
;
struct
metapage
*
mp
;
int
iagno
,
ino
,
extno
,
bitno
;
imap_t
*
imap
;
struct
inomap
*
imap
;
u32
mask
;
log_t
*
log
;
struct
jfs_log
*
log
;
int
lsn
,
difft
,
diffp
;
imap
=
JFS_IP
(
ipimap
)
->
i_imap
;
...
...
@@ -2741,7 +2740,7 @@ diUpdatePMap(struct inode *ipimap,
IREAD_UNLOCK
(
ipimap
);
if
(
rc
)
return
(
rc
);
iagp
=
(
iag_t
*
)
mp
->
data
;
iagp
=
(
struct
iag
*
)
mp
->
data
;
/* get the inode number and extent number of the inode within
* the iag and the inode number within the extent.
*/
...
...
@@ -2837,10 +2836,10 @@ diUpdatePMap(struct inode *ipimap,
int
diExtendFS
(
struct
inode
*
ipimap
,
struct
inode
*
ipbmap
)
{
int
rc
,
rcx
=
0
;
imap_t
*
imap
=
JFS_IP
(
ipimap
)
->
i_imap
;
iag_t
*
iagp
=
0
,
*
hiagp
=
0
;
bmap_t
*
mp
=
JFS_SBI
(
ipbmap
->
i_sb
)
->
bmap
;
metapage_t
*
bp
,
*
hbp
;
struct
inomap
*
imap
=
JFS_IP
(
ipimap
)
->
i_imap
;
struct
iag
*
iagp
=
0
,
*
hiagp
=
0
;
struct
bmap
*
mp
=
JFS_SBI
(
ipbmap
->
i_sb
)
->
bmap
;
struct
metapage
*
bp
,
*
hbp
;
int
i
,
n
,
head
;
int
numinos
,
xnuminos
=
0
,
xnumfree
=
0
;
s64
agstart
;
...
...
@@ -2866,7 +2865,7 @@ int diExtendFS(struct inode *ipimap, struct inode *ipbmap)
}
/*
* process each iag
_t
page of the map.
* process each iag page of the map.
*
* rebuild AG Free Inode List, AG Free Inode Extent List;
*/
...
...
@@ -2875,7 +2874,7 @@ int diExtendFS(struct inode *ipimap, struct inode *ipbmap)
rcx
=
rc
;
continue
;
}
iagp
=
(
iag_t
*
)
bp
->
data
;
iagp
=
(
struct
iag
*
)
bp
->
data
;
assert
(
le32_to_cpu
(
iagp
->
iagnum
)
==
i
);
/* leave free iag in the free iag list */
...
...
@@ -2910,7 +2909,7 @@ printf("diExtendFS: iag:%d agstart:%Ld agno:%d\n", i, agstart, n);
rcx
=
rc
;
goto
nextiag
;
}
hiagp
=
(
iag_t
*
)
hbp
->
data
;
hiagp
=
(
struct
iag
*
)
hbp
->
data
;
hiagp
->
inofreeback
=
le32_to_cpu
(
iagp
->
iagnum
);
iagp
->
inofreefwd
=
cpu_to_le32
(
head
);
...
...
@@ -2936,7 +2935,7 @@ printf("diExtendFS: iag:%d agstart:%Ld agno:%d\n", i, agstart, n);
rcx
=
rc
;
goto
nextiag
;
}
hiagp
=
(
iag_t
*
)
hbp
->
data
;
hiagp
=
(
struct
iag
*
)
hbp
->
data
;
hiagp
->
extfreeback
=
iagp
->
iagnum
;
iagp
->
extfreefwd
=
cpu_to_le32
(
head
);
iagp
->
extfreeback
=
-
1
;
...
...
@@ -3019,7 +3018,7 @@ static void duplicateIXtree(struct super_block *sb, s64 blkno,
* 0 - success
* ENOMEM - insufficient memory
*/
static
int
copy_from_dinode
(
dinode_t
*
dip
,
struct
inode
*
ip
)
static
int
copy_from_dinode
(
struct
dinode
*
dip
,
struct
inode
*
ip
)
{
struct
jfs_inode_info
*
jfs_ip
=
JFS_IP
(
ip
);
...
...
@@ -3072,7 +3071,7 @@ static int copy_from_dinode(dinode_t * dip, struct inode *ip)
*
* FUNCTION: Copies inode info from in-memory inode to disk inode
*/
static
void
copy_to_dinode
(
dinode_t
*
dip
,
struct
inode
*
ip
)
static
void
copy_to_dinode
(
struct
dinode
*
dip
,
struct
inode
*
ip
)
{
struct
jfs_inode_info
*
jfs_ip
=
JFS_IP
(
ip
);
...
...
@@ -3112,7 +3111,7 @@ static void copy_to_dinode(dinode_t * dip, struct inode *ip)
/*
* DBGdiInit()
*/
static
void
*
DBGdiInit
(
imap_t
*
imap
)
static
void
*
DBGdiInit
(
struct
inomap
*
imap
)
{
u32
*
dimap
;
int
size
;
...
...
@@ -3126,7 +3125,7 @@ static void *DBGdiInit(imap_t * imap)
/*
* DBGdiAlloc()
*/
static
void
DBGdiAlloc
(
imap_t
*
imap
,
ino_t
ino
)
static
void
DBGdiAlloc
(
struct
inomap
*
imap
,
ino_t
ino
)
{
u32
*
dimap
=
imap
->
im_DBGdimap
;
int
w
,
b
;
...
...
@@ -3144,7 +3143,7 @@ static void DBGdiAlloc(imap_t * imap, ino_t ino)
/*
* DBGdiFree()
*/
static
void
DBGdiFree
(
imap_t
*
imap
,
ino_t
ino
)
static
void
DBGdiFree
(
struct
inomap
*
imap
,
ino_t
ino
)
{
u32
*
dimap
=
imap
->
im_DBGdimap
;
int
w
,
b
;
...
...
@@ -3159,7 +3158,7 @@ static void DBGdiFree(imap_t * imap, ino_t ino)
dimap
[
w
]
&=
~
m
;
}
static
void
dump_cp
(
imap_t
*
ipimap
,
char
*
function
,
int
line
)
static
void
dump_cp
(
struct
inomap
*
ipimap
,
char
*
function
,
int
line
)
{
printk
(
"
\n
* ********* *
\n
Control Page %s %d
\n
"
,
function
,
line
);
printk
(
"FreeIAG %d
\t
NextIAG %d
\n
"
,
ipimap
->
im_freeiag
,
...
...
@@ -3173,7 +3172,7 @@ static void dump_cp(imap_t * ipimap, char *function, int line)
ipimap
->
im_agctl
[
0
].
numinos
,
ipimap
->
im_agctl
[
0
].
numfree
);
}
static
void
dump_iag
(
iag_t
*
iag
,
char
*
function
,
int
line
)
static
void
dump_iag
(
struct
iag
*
iag
,
char
*
function
,
int
line
)
{
printk
(
"
\n
* ********* *
\n
IAG %s %d
\n
"
,
function
,
line
);
printk
(
"IagNum %d
\t
IAG Free %d
\n
"
,
le32_to_cpu
(
iag
->
iagnum
),
...
...
fs/jfs/jfs_imap.h
View file @
8916919b
...
...
@@ -59,7 +59,7 @@
/*
* inode allocation group page (per 4096 inodes of an AG)
*/
typedef
struct
{
struct
iag
{
s64
agstart
;
/* 8: starting block of ag */
s32
iagnum
;
/* 4: inode allocation group number */
s32
inofreefwd
;
/* 4: ag inode free list forward */
...
...
@@ -87,22 +87,22 @@ typedef struct {
u32
wmap
[
EXTSPERIAG
];
/* 512: working allocation map */
u32
pmap
[
EXTSPERIAG
];
/* 512: persistent allocation map */
pxd_t
inoext
[
EXTSPERIAG
];
/* 1024: inode extent addresses */
}
iag_t
;
/* (4096) */
}
;
/* (4096) */
/*
* per AG control information (in inode map control page)
*/
typedef
struct
{
struct
iagctl
{
s32
inofree
;
/* 4: free inode list anchor */
s32
extfree
;
/* 4: free extent list anchor */
s32
numinos
;
/* 4: number of backed inodes */
s32
numfree
;
/* 4: number of free inodes */
}
iagctl_t
;
/* (16) */
}
;
/* (16) */
/*
* per fileset/aggregate inode map control page
*/
typedef
struct
{
struct
dinomap
{
s32
in_freeiag
;
/* 4: free iag list anchor */
s32
in_nextiag
;
/* 4: next free iag number */
s32
in_numinos
;
/* 4: num of backed inodes */
...
...
@@ -112,22 +112,22 @@ typedef struct {
s32
in_diskblock
;
/* 4: for standalone test driver */
s32
in_maxag
;
/* 4: for standalone test driver */
u8
pad
[
2016
];
/* 2016: pad to 2048 */
iagctl_t
in_agctl
[
MAXAG
];
/* 2048: AG control information */
}
dinomap_t
;
/* (4096) */
struct
iagctl
in_agctl
[
MAXAG
];
/* 2048: AG control information */
}
;
/* (4096) */
/*
* In-core inode map control page
*/
typedef
struct
inomap
{
dinomap_t
im_imap
;
/* 4096: inode allocation control */
struct
inomap
{
struct
dinomap
im_imap
;
/* 4096: inode allocation control */
struct
inode
*
im_ipimap
;
/* 4: ptr to inode for imap */
struct
semaphore
im_freelock
;
/* 4: iag free list lock */
struct
semaphore
im_aglock
[
MAXAG
];
/* 512: per AG locks */
u32
*
im_DBGdimap
;
atomic_t
im_numinos
;
/* num of backed inodes */
atomic_t
im_numfree
;
/* num of free backed inodes */
}
imap_t
;
};
#define im_freeiag im_imap.in_freeiag
#define im_nextiag im_imap.in_nextiag
...
...
@@ -145,7 +145,7 @@ extern int diAlloc(struct inode *, boolean_t, struct inode *);
extern
int
diSync
(
struct
inode
*
);
/* external references */
extern
int
diUpdatePMap
(
struct
inode
*
ipimap
,
unsigned
long
inum
,
boolean_t
is_free
,
tblock_t
*
tblk
);
boolean_t
is_free
,
struct
tblock
*
tblk
);
extern
int
diExtendFS
(
struct
inode
*
ipimap
,
struct
inode
*
ipbmap
);
extern
int
diMount
(
struct
inode
*
);
extern
int
diUnmount
(
struct
inode
*
,
int
);
...
...
fs/jfs/jfs_incore.h
View file @
8916919b
...
...
@@ -75,7 +75,7 @@ struct jfs_inode_info {
struct
inomap
*
_imap
;
/* 4: inode map header */
}
file
;
struct
{
dir_table_slot_t
_table
[
12
];
/* 96: directory
index */
struct
dir_table_slot
_table
[
12
];
/* 96: dir
index */
dtroot_t
_dtroot
;
/* 288: dtree root */
}
dir
;
struct
{
...
...
fs/jfs/jfs_logmgr.c
View file @
8916919b
...
...
@@ -76,7 +76,7 @@
/*
* lbuf's ready to be redriven. Protected by log_redrive_lock (jfsIO thread)
*/
static
lbuf_t
*
log_redrive_list
;
static
struct
lbuf
*
log_redrive_list
;
static
spinlock_t
log_redrive_lock
=
SPIN_LOCK_UNLOCKED
;
DECLARE_WAIT_QUEUE_HEAD
(
jfs_IO_thread_wait
);
...
...
@@ -160,32 +160,32 @@ do { \
/*
* external references
*/
extern
void
txLazyUnlock
(
tblock_t
*
tblk
);
extern
void
txLazyUnlock
(
struct
tblock
*
tblk
);
extern
int
jfs_stop_threads
;
extern
struct
completion
jfsIOwait
;
/*
* forward references
*/
static
int
lmWriteRecord
(
log_t
*
log
,
tblock_t
*
tblk
,
lrd_t
*
lrd
,
tlock_t
*
tlck
);
static
int
lmNextPage
(
log_t
*
log
);
static
int
lmLogFileSystem
(
log_t
*
log
,
char
*
uuid
,
int
activate
);
static
int
lbmLogInit
(
log_t
*
log
);
static
void
lbmLogShutdown
(
log_t
*
log
);
static
lbuf_t
*
lbmAllocate
(
log_t
*
log
,
int
);
static
void
lbmFree
(
lbuf_t
*
bp
);
static
void
lbmfree
(
lbuf_t
*
bp
);
static
int
lbmRead
(
log_t
*
log
,
int
pn
,
lbuf_t
**
bpp
);
static
void
lbmWrite
(
log_t
*
log
,
lbuf_t
*
bp
,
int
flag
,
int
cant_block
);
static
void
lbmDirectWrite
(
log_t
*
log
,
lbuf_t
*
bp
,
int
flag
);
static
int
lbmIOWait
(
lbuf_t
*
bp
,
int
flag
);
static
int
lmWriteRecord
(
struct
jfs_log
*
log
,
struct
tblock
*
tblk
,
struct
lrd
*
lrd
,
struct
tlock
*
tlck
);
static
int
lmNextPage
(
struct
jfs_log
*
log
);
static
int
lmLogFileSystem
(
struct
jfs_log
*
log
,
char
*
uuid
,
int
activate
);
static
int
lbmLogInit
(
struct
jfs_log
*
log
);
static
void
lbmLogShutdown
(
struct
jfs_log
*
log
);
static
struct
lbuf
*
lbmAllocate
(
struct
jfs_log
*
log
,
int
);
static
void
lbmFree
(
struct
lbuf
*
bp
);
static
void
lbmfree
(
struct
lbuf
*
bp
);
static
int
lbmRead
(
struct
jfs_log
*
log
,
int
pn
,
struct
lbuf
**
bpp
);
static
void
lbmWrite
(
struct
jfs_log
*
log
,
struct
lbuf
*
bp
,
int
flag
,
int
cant_block
);
static
void
lbmDirectWrite
(
struct
jfs_log
*
log
,
struct
lbuf
*
bp
,
int
flag
);
static
int
lbmIOWait
(
struct
lbuf
*
bp
,
int
flag
);
static
bio_end_io_t
lbmIODone
;
void
lbmStartIO
(
lbuf_t
*
bp
);
void
lmGCwrite
(
log_t
*
log
,
int
cant_block
);
void
lbmStartIO
(
struct
lbuf
*
bp
);
void
lmGCwrite
(
struct
jfs_log
*
log
,
int
cant_block
);
/*
...
...
@@ -212,11 +212,12 @@ struct lmStat {
*
* note: todo: log error handler
*/
int
lmLog
(
log_t
*
log
,
tblock_t
*
tblk
,
lrd_t
*
lrd
,
tlock_t
*
tlck
)
int
lmLog
(
struct
jfs_log
*
log
,
struct
tblock
*
tblk
,
struct
lrd
*
lrd
,
struct
tlock
*
tlck
)
{
int
lsn
;
int
diffp
,
difft
;
metapage_t
*
mp
=
NULL
;
struct
metapage
*
mp
=
NULL
;
jFYI
(
1
,
(
"lmLog: log:0x%p tblk:0x%p, lrd:0x%p tlck:0x%p
\n
"
,
log
,
tblk
,
lrd
,
tlck
));
...
...
@@ -330,11 +331,12 @@ int lmLog(log_t * log, tblock_t * tblk, lrd_t * lrd, tlock_t * tlck)
* serialization: LOG_LOCK() held on entry/exit
*/
static
int
lmWriteRecord
(
log_t
*
log
,
tblock_t
*
tblk
,
lrd_t
*
lrd
,
tlock_t
*
tlck
)
lmWriteRecord
(
struct
jfs_log
*
log
,
struct
tblock
*
tblk
,
struct
lrd
*
lrd
,
struct
tlock
*
tlck
)
{
int
lsn
=
0
;
/* end-of-log address */
lbuf_t
*
bp
;
/* dst log page buffer */
logpage_t
*
lp
;
/* dst log page */
struct
lbuf
*
bp
;
/* dst log page buffer */
struct
logpage
*
lp
;
/* dst log page */
caddr_t
dst
;
/* destination address in log page */
int
dstoffset
;
/* end-of-log offset in log page */
int
freespace
;
/* free space in log page */
...
...
@@ -344,16 +346,16 @@ lmWriteRecord(log_t * log, tblock_t * tblk, lrd_t * lrd, tlock_t * tlck)
int
nbytes
;
/* number of bytes to move */
int
i
;
int
len
;
linelock_t
*
linelock
;
lv_t
*
lv
;
lvd_t
*
lvd
;
struct
linelock
*
linelock
;
struct
lv
*
lv
;
struct
lvd
*
lvd
;
int
l2linesize
;
len
=
0
;
/* retrieve destination log page to write */
bp
=
(
lbuf_t
*
)
log
->
bp
;
lp
=
(
logpage_t
*
)
bp
->
l_ldata
;
bp
=
(
struct
lbuf
*
)
log
->
bp
;
lp
=
(
struct
logpage
*
)
bp
->
l_ldata
;
dstoffset
=
log
->
eor
;
/* any log data to write ? */
...
...
@@ -366,7 +368,7 @@ lmWriteRecord(log_t * log, tblock_t * tblk, lrd_t * lrd, tlock_t * tlck)
/* retrieve source meta-data page to log */
if
(
tlck
->
flag
&
tlckPAGELOCK
)
{
p
=
(
caddr_t
)
(
tlck
->
mp
->
data
);
linelock
=
(
linelock_t
*
)
&
tlck
->
lock
;
linelock
=
(
struct
linelock
*
)
&
tlck
->
lock
;
}
/* retrieve source in-memory inode to log */
else
if
(
tlck
->
flag
&
tlckINODELOCK
)
{
...
...
@@ -374,14 +376,14 @@ lmWriteRecord(log_t * log, tblock_t * tblk, lrd_t * lrd, tlock_t * tlck)
p
=
(
caddr_t
)
&
JFS_IP
(
tlck
->
ip
)
->
i_dtroot
;
else
p
=
(
caddr_t
)
&
JFS_IP
(
tlck
->
ip
)
->
i_xtroot
;
linelock
=
(
linelock_t
*
)
&
tlck
->
lock
;
linelock
=
(
struct
linelock
*
)
&
tlck
->
lock
;
}
#ifdef _JFS_WIP
else
if
(
tlck
->
flag
&
tlckINLINELOCK
)
{
inlinelock
=
(
inlinelock_t
*
)
&
tlck
;
inlinelock
=
(
struct
inlinelock
*
)
&
tlck
;
p
=
(
caddr_t
)
&
inlinelock
->
pxd
;
linelock
=
(
linelock_t
*
)
&
tlck
;
linelock
=
(
struct
linelock
*
)
&
tlck
;
}
#endif
/* _JFS_WIP */
else
{
...
...
@@ -393,7 +395,7 @@ lmWriteRecord(log_t * log, tblock_t * tblk, lrd_t * lrd, tlock_t * tlck)
moveData:
ASSERT
(
linelock
->
index
<=
linelock
->
maxcnt
);
lv
=
(
lv_t
*
)
&
linelock
->
lv
;
lv
=
linelock
->
lv
;
for
(
i
=
0
;
i
<
linelock
->
index
;
i
++
,
lv
++
)
{
if
(
lv
->
length
==
0
)
continue
;
...
...
@@ -404,7 +406,7 @@ lmWriteRecord(log_t * log, tblock_t * tblk, lrd_t * lrd, tlock_t * tlck)
lmNextPage
(
log
);
bp
=
log
->
bp
;
lp
=
(
logpage_t
*
)
bp
->
l_ldata
;
lp
=
(
struct
logpage
*
)
bp
->
l_ldata
;
dstoffset
=
LOGPHDRSIZE
;
}
...
...
@@ -428,8 +430,8 @@ lmWriteRecord(log_t * log, tblock_t * tblk, lrd_t * lrd, tlock_t * tlck)
/* page become full: move on to next page */
lmNextPage
(
log
);
bp
=
(
lbuf_t
*
)
log
->
bp
;
lp
=
(
logpage_t
*
)
bp
->
l_ldata
;
bp
=
(
struct
lbuf
*
)
log
->
bp
;
lp
=
(
struct
logpage
*
)
bp
->
l_ldata
;
dstoffset
=
LOGPHDRSIZE
;
srclen
-=
nbytes
;
...
...
@@ -440,7 +442,7 @@ lmWriteRecord(log_t * log, tblock_t * tblk, lrd_t * lrd, tlock_t * tlck)
* move log vector descriptor
*/
len
+=
4
;
lvd
=
(
lvd_t
*
)
((
caddr_t
)
lp
+
dstoffset
);
lvd
=
(
struct
lvd
*
)
((
caddr_t
)
lp
+
dstoffset
);
lvd
->
offset
=
cpu_to_le16
(
lv
->
offset
);
lvd
->
length
=
cpu_to_le16
(
lv
->
length
);
dstoffset
+=
4
;
...
...
@@ -450,7 +452,7 @@ lmWriteRecord(log_t * log, tblock_t * tblk, lrd_t * lrd, tlock_t * tlck)
}
if
((
i
=
linelock
->
next
))
{
linelock
=
(
linelock_t
*
)
lid_to_tlock
(
i
);
linelock
=
(
struct
linelock
*
)
lid_to_tlock
(
i
);
goto
moveData
;
}
...
...
@@ -534,8 +536,8 @@ lmWriteRecord(log_t * log, tblock_t * tblk, lrd_t * lrd, tlock_t * tlck)
/* page become full: move on to next page */
lmNextPage
(
log
);
bp
=
(
lbuf_t
*
)
log
->
bp
;
lp
=
(
logpage_t
*
)
bp
->
l_ldata
;
bp
=
(
struct
lbuf
*
)
log
->
bp
;
lp
=
(
struct
logpage
*
)
bp
->
l_ldata
;
dstoffset
=
LOGPHDRSIZE
;
src
+=
nbytes
;
}
...
...
@@ -555,21 +557,21 @@ lmWriteRecord(log_t * log, tblock_t * tblk, lrd_t * lrd, tlock_t * tlck)
*
* serialization: LOG_LOCK() held on entry/exit
*/
static
int
lmNextPage
(
log_t
*
log
)
static
int
lmNextPage
(
struct
jfs_log
*
log
)
{
logpage_t
*
lp
;
struct
logpage
*
lp
;
int
lspn
;
/* log sequence page number */
int
pn
;
/* current page number */
lbuf_t
*
bp
;
lbuf_t
*
nextbp
;
tblock_t
*
tblk
;
struct
lbuf
*
bp
;
struct
lbuf
*
nextbp
;
struct
tblock
*
tblk
;
jFYI
(
1
,
(
"lmNextPage
\n
"
));
/* get current log page number and log sequence page number */
pn
=
log
->
page
;
bp
=
log
->
bp
;
lp
=
(
logpage_t
*
)
bp
->
l_ldata
;
lp
=
(
struct
logpage
*
)
bp
->
l_ldata
;
lspn
=
le32_to_cpu
(
lp
->
h
.
page
);
LOGGC_LOCK
(
log
);
...
...
@@ -637,7 +639,7 @@ static int lmNextPage(log_t * log)
log
->
bp
=
nextbp
;
/* initialize next log page */
lp
=
(
logpage_t
*
)
nextbp
->
l_ldata
;
lp
=
(
struct
logpage
*
)
nextbp
->
l_ldata
;
lp
->
h
.
page
=
lp
->
t
.
page
=
cpu_to_le32
(
lspn
+
1
);
lp
->
h
.
eor
=
lp
->
t
.
eor
=
cpu_to_le16
(
LOGPHDRSIZE
);
...
...
@@ -661,7 +663,7 @@ static int lmNextPage(log_t * log)
* transaction blocks on the commit queue.
* N.B. LOG_LOCK is NOT held during lmGroupCommit().
*/
int
lmGroupCommit
(
log_t
*
log
,
tblock_t
*
tblk
)
int
lmGroupCommit
(
struct
jfs_log
*
log
,
struct
tblock
*
tblk
)
{
int
rc
=
0
;
...
...
@@ -738,13 +740,13 @@ int lmGroupCommit(log_t * log, tblock_t * tblk)
* LOGGC_LOCK must be held by caller.
* N.B. LOG_LOCK is NOT held during lmGroupCommit().
*/
void
lmGCwrite
(
log_t
*
log
,
int
cant_write
)
void
lmGCwrite
(
struct
jfs_log
*
log
,
int
cant_write
)
{
lbuf_t
*
bp
;
logpage_t
*
lp
;
struct
lbuf
*
bp
;
struct
logpage
*
lp
;
int
gcpn
;
/* group commit page number */
tblock_t
*
tblk
;
tblock_t
*
xtblk
;
struct
tblock
*
tblk
;
struct
tblock
*
xtblk
;
/*
* build the commit group of a log page
...
...
@@ -768,8 +770,8 @@ void lmGCwrite(log_t * log, int cant_write)
/*
* pageout to commit transactions on the log page.
*/
bp
=
(
lbuf_t
*
)
tblk
->
bp
;
lp
=
(
logpage_t
*
)
bp
->
l_ldata
;
bp
=
(
struct
lbuf
*
)
tblk
->
bp
;
lp
=
(
struct
logpage
*
)
bp
->
l_ldata
;
/* is page already full ? */
if
(
tblk
->
flag
&
tblkGC_EOP
)
{
/* mark page to free at end of group commit of the page */
...
...
@@ -806,12 +808,12 @@ void lmGCwrite(log_t * log, int cant_write)
* NOTE:
* This routine is called a interrupt time by lbmIODone
*/
void
lmPostGC
(
lbuf_t
*
bp
)
void
lmPostGC
(
struct
lbuf
*
bp
)
{
unsigned
long
flags
;
log_t
*
log
=
bp
->
l_log
;
logpage_t
*
lp
;
tblock_t
*
tblk
;
struct
jfs_log
*
log
=
bp
->
l_log
;
struct
logpage
*
lp
;
struct
tblock
*
tblk
;
//LOGGC_LOCK(log);
spin_lock_irqsave
(
&
log
->
gclock
,
flags
);
...
...
@@ -866,7 +868,7 @@ void lmPostGC(lbuf_t * bp)
*/
else
if
(
tblk
->
flag
&
tblkGC_EOP
)
{
/* finalize the page */
lp
=
(
logpage_t
*
)
bp
->
l_ldata
;
lp
=
(
struct
logpage
*
)
bp
->
l_ldata
;
bp
->
l_ceor
=
bp
->
l_eor
;
lp
->
h
.
eor
=
lp
->
t
.
eor
=
cpu_to_le16
(
bp
->
l_eor
);
jEVENT
(
0
,
(
"lmPostGC: calling lbmWrite
\n
"
));
...
...
@@ -921,14 +923,14 @@ void lmPostGC(lbuf_t * bp)
*
* serialization: LOG_LOCK() held on entry/exit
*/
int
lmLogSync
(
log_t
*
log
,
int
nosyncwait
)
int
lmLogSync
(
struct
jfs_log
*
log
,
int
nosyncwait
)
{
int
logsize
;
int
written
;
/* written since last syncpt */
int
free
;
/* free space left available */
int
delta
;
/* additional delta to write normally */
int
more
;
/* additional write granted */
lrd_t
lrd
;
struct
lrd
lrd
;
int
lsn
;
struct
logsyncblk
*
lp
;
...
...
@@ -1056,15 +1058,15 @@ int lmLogSync(log_t * log, int nosyncwait)
*
* serialization:
*/
int
lmLogOpen
(
struct
super_block
*
sb
,
log_t
**
logptr
)
int
lmLogOpen
(
struct
super_block
*
sb
,
struct
jfs_log
**
logptr
)
{
int
rc
;
struct
block_device
*
bdev
;
log_t
*
log
;
struct
jfs_log
*
log
;
if
(
!
(
log
=
kmalloc
(
sizeof
(
log_t
),
GFP_KERNEL
)))
if
(
!
(
log
=
kmalloc
(
sizeof
(
struct
jfs_log
),
GFP_KERNEL
)))
return
ENOMEM
;
memset
(
log
,
0
,
sizeof
(
log_t
));
memset
(
log
,
0
,
sizeof
(
struct
jfs_log
));
init_waitqueue_head
(
&
log
->
syncwait
);
log
->
sb
=
sb
;
/* This should be a list */
...
...
@@ -1173,14 +1175,14 @@ int lmLogOpen(struct super_block *sb, log_t ** logptr)
*
* serialization: single first open thread
*/
int
lmLogInit
(
log_t
*
log
)
int
lmLogInit
(
struct
jfs_log
*
log
)
{
int
rc
=
0
;
lrd_t
lrd
;
logsuper_t
*
logsuper
;
lbuf_t
*
bpsuper
;
lbuf_t
*
bp
;
logpage_t
*
lp
;
struct
lrd
lrd
;
struct
logsuper
*
logsuper
;
struct
lbuf
*
bpsuper
;
struct
lbuf
*
bp
;
struct
logpage
*
lp
;
int
lsn
;
jFYI
(
1
,
(
"lmLogInit: log:0x%p
\n
"
,
log
));
...
...
@@ -1206,7 +1208,7 @@ int lmLogInit(log_t * log)
if
((
rc
=
lbmRead
(
log
,
1
,
&
bpsuper
)))
goto
errout10
;
logsuper
=
(
logsuper_t
*
)
bpsuper
->
l_ldata
;
logsuper
=
(
struct
logsuper
*
)
bpsuper
->
l_ldata
;
if
(
logsuper
->
magic
!=
cpu_to_le32
(
LOGMAGIC
))
{
jERROR
(
1
,
(
"*** Log Format Error ! ***
\n
"
));
...
...
@@ -1252,7 +1254,7 @@ int lmLogInit(log_t * log)
if
((
rc
=
lbmRead
(
log
,
log
->
page
,
&
bp
)))
goto
errout20
;
lp
=
(
logpage_t
*
)
bp
->
l_ldata
;
lp
=
(
struct
logpage
*
)
bp
->
l_ldata
;
jFYI
(
1
,
(
"lmLogInit: lsn:0x%x page:%d eor:%d:%d
\n
"
,
le32_to_cpu
(
logsuper
->
end
),
log
->
page
,
log
->
eor
,
...
...
@@ -1291,7 +1293,7 @@ int lmLogInit(log_t * log)
lsn
=
lmWriteRecord
(
log
,
NULL
,
&
lrd
,
NULL
);
bp
=
log
->
bp
;
bp
->
l_ceor
=
bp
->
l_eor
;
lp
=
(
logpage_t
*
)
bp
->
l_ldata
;
lp
=
(
struct
logpage
*
)
bp
->
l_ldata
;
lp
->
h
.
eor
=
lp
->
t
.
eor
=
cpu_to_le16
(
bp
->
l_eor
);
lbmWrite
(
log
,
bp
,
lbmWRITE
|
lbmSYNC
,
0
);
if
((
rc
=
lbmIOWait
(
bp
,
0
)))
...
...
@@ -1363,7 +1365,7 @@ int lmLogInit(log_t * log)
*
* serialization:
*/
int
lmLogClose
(
struct
super_block
*
sb
,
log_t
*
log
)
int
lmLogClose
(
struct
super_block
*
sb
,
struct
jfs_log
*
log
)
{
struct
block_device
*
bdev
=
log
->
bdev
;
int
rc
;
...
...
@@ -1400,7 +1402,7 @@ int lmLogClose(struct super_block *sb, log_t * log)
*
* FUNCTION: wait for all outstanding log records to be written to disk
*/
void
lmLogWait
(
log_t
*
log
)
void
lmLogWait
(
struct
jfs_log
*
log
)
{
int
i
;
...
...
@@ -1438,15 +1440,15 @@ void lmLogWait(log_t *log)
*
* serialization: single last close thread
*/
int
lmLogShutdown
(
log_t
*
log
)
int
lmLogShutdown
(
struct
jfs_log
*
log
)
{
int
rc
;
lrd_t
lrd
;
struct
lrd
lrd
;
int
lsn
;
logsuper_t
*
logsuper
;
lbuf_t
*
bpsuper
;
lbuf_t
*
bp
;
logpage_t
*
lp
;
struct
logsuper
*
logsuper
;
struct
lbuf
*
bpsuper
;
struct
lbuf
*
bp
;
struct
logpage
*
lp
;
jFYI
(
1
,
(
"lmLogShutdown: log:0x%p
\n
"
,
log
));
...
...
@@ -1469,7 +1471,7 @@ int lmLogShutdown(log_t * log)
lrd
.
log
.
syncpt
.
sync
=
0
;
lsn
=
lmWriteRecord
(
log
,
NULL
,
&
lrd
,
NULL
);
bp
=
log
->
bp
;
lp
=
(
logpage_t
*
)
bp
->
l_ldata
;
lp
=
(
struct
logpage
*
)
bp
->
l_ldata
;
lp
->
h
.
eor
=
lp
->
t
.
eor
=
cpu_to_le16
(
bp
->
l_eor
);
lbmWrite
(
log
,
log
->
bp
,
lbmWRITE
|
lbmRELEASE
|
lbmSYNC
,
0
);
lbmIOWait
(
log
->
bp
,
lbmFREE
);
...
...
@@ -1482,7 +1484,7 @@ int lmLogShutdown(log_t * log)
if
((
rc
=
lbmRead
(
log
,
1
,
&
bpsuper
)))
goto
out
;
logsuper
=
(
logsuper_t
*
)
bpsuper
->
l_ldata
;
logsuper
=
(
struct
logsuper
*
)
bpsuper
->
l_ldata
;
logsuper
->
state
=
cpu_to_le32
(
LOGREDONE
);
logsuper
->
end
=
cpu_to_le32
(
lsn
);
lbmDirectWrite
(
log
,
bpsuper
,
lbmWRITE
|
lbmRELEASE
|
lbmSYNC
);
...
...
@@ -1518,12 +1520,12 @@ int lmLogShutdown(log_t * log)
* RETURN: 0 - success
* errors returned by vms_iowait().
*/
static
int
lmLogFileSystem
(
log_t
*
log
,
char
*
uuid
,
int
activate
)
static
int
lmLogFileSystem
(
struct
jfs_log
*
log
,
char
*
uuid
,
int
activate
)
{
int
rc
=
0
;
int
i
;
logsuper_t
*
logsuper
;
lbuf_t
*
bpsuper
;
struct
logsuper
*
logsuper
;
struct
lbuf
*
bpsuper
;
/*
* insert/remove file system device to log active file system list.
...
...
@@ -1531,7 +1533,7 @@ static int lmLogFileSystem(log_t * log, char *uuid, int activate)
if
((
rc
=
lbmRead
(
log
,
1
,
&
bpsuper
)))
return
rc
;
logsuper
=
(
logsuper_t
*
)
bpsuper
->
l_ldata
;
logsuper
=
(
struct
logsuper
*
)
bpsuper
->
l_ldata
;
if
(
activate
)
{
for
(
i
=
0
;
i
<
MAX_ACTIVE
;
i
++
)
if
(
!
memcmp
(
logsuper
->
active
[
i
].
uuid
,
NULL_UUID
,
16
))
{
...
...
@@ -1589,10 +1591,10 @@ static int lmLogFileSystem(log_t * log, char *uuid, int activate)
*
* initialize per log I/O setup at lmLogInit()
*/
static
int
lbmLogInit
(
log_t
*
log
)
static
int
lbmLogInit
(
struct
jfs_log
*
log
)
{
/* log inode */
int
i
;
lbuf_t
*
lbuf
;
struct
lbuf
*
lbuf
;
jFYI
(
1
,
(
"lbmLogInit: log:0x%p
\n
"
,
log
));
...
...
@@ -1616,7 +1618,7 @@ static int lbmLogInit(log_t * log)
log
->
lbuf_free
=
NULL
;
for
(
i
=
0
;
i
<
LOGPAGES
;
i
++
)
{
lbuf
=
kmalloc
(
sizeof
(
lbuf_t
),
GFP_KERNEL
);
lbuf
=
kmalloc
(
sizeof
(
struct
lbuf
),
GFP_KERNEL
);
if
(
lbuf
==
0
)
goto
error
;
lbuf
->
l_ldata
=
(
char
*
)
__get_free_page
(
GFP_KERNEL
);
...
...
@@ -1644,15 +1646,15 @@ static int lbmLogInit(log_t * log)
*
* finalize per log I/O setup at lmLogShutdown()
*/
static
void
lbmLogShutdown
(
log_t
*
log
)
static
void
lbmLogShutdown
(
struct
jfs_log
*
log
)
{
lbuf_t
*
lbuf
;
struct
lbuf
*
lbuf
;
jFYI
(
1
,
(
"lbmLogShutdown: log:0x%p
\n
"
,
log
));
lbuf
=
log
->
lbuf_free
;
while
(
lbuf
)
{
lbuf_t
*
next
=
lbuf
->
l_freelist
;
struct
lbuf
*
next
=
lbuf
->
l_freelist
;
free_page
((
unsigned
long
)
lbuf
->
l_ldata
);
kfree
(
lbuf
);
lbuf
=
next
;
...
...
@@ -1667,9 +1669,9 @@ static void lbmLogShutdown(log_t * log)
*
* allocate an empty log buffer
*/
static
lbuf_t
*
lbmAllocate
(
log_t
*
log
,
int
pn
)
static
struct
lbuf
*
lbmAllocate
(
struct
jfs_log
*
log
,
int
pn
)
{
lbuf_t
*
bp
;
struct
lbuf
*
bp
;
unsigned
long
flags
;
/*
...
...
@@ -1698,7 +1700,7 @@ static lbuf_t *lbmAllocate(log_t * log, int pn)
*
* release a log buffer to freelist
*/
static
void
lbmFree
(
lbuf_t
*
bp
)
static
void
lbmFree
(
struct
lbuf
*
bp
)
{
unsigned
long
flags
;
...
...
@@ -1709,9 +1711,9 @@ static void lbmFree(lbuf_t * bp)
LCACHE_UNLOCK
(
flags
);
}
static
void
lbmfree
(
lbuf_t
*
bp
)
static
void
lbmfree
(
struct
lbuf
*
bp
)
{
log_t
*
log
=
bp
->
l_log
;
struct
jfs_log
*
log
=
bp
->
l_log
;
assert
(
bp
->
l_wqnext
==
NULL
);
...
...
@@ -1737,7 +1739,7 @@ static void lbmfree(lbuf_t * bp)
* NOTES:
* Takes log_redrive_lock.
*/
static
inline
void
lbmRedrive
(
lbuf_t
*
bp
)
static
inline
void
lbmRedrive
(
struct
lbuf
*
bp
)
{
unsigned
long
flags
;
...
...
@@ -1753,10 +1755,10 @@ static inline void lbmRedrive(lbuf_t *bp)
/*
* lbmRead()
*/
static
int
lbmRead
(
log_t
*
log
,
int
pn
,
lbuf_t
**
bpp
)
static
int
lbmRead
(
struct
jfs_log
*
log
,
int
pn
,
struct
lbuf
**
bpp
)
{
struct
bio
*
bio
;
lbuf_t
*
bp
;
struct
lbuf
*
bp
;
/*
* allocate a log buffer
...
...
@@ -1804,9 +1806,10 @@ static int lbmRead(log_t * log, int pn, lbuf_t ** bpp)
* LOGGC_LOCK() serializes lbmWrite() by lmNextPage() and lmGroupCommit().
* LCACHE_LOCK() serializes xflag between lbmWrite() and lbmIODone()
*/
static
void
lbmWrite
(
log_t
*
log
,
lbuf_t
*
bp
,
int
flag
,
int
cant_block
)
static
void
lbmWrite
(
struct
jfs_log
*
log
,
struct
lbuf
*
bp
,
int
flag
,
int
cant_block
)
{
lbuf_t
*
tail
;
struct
lbuf
*
tail
;
unsigned
long
flags
;
jFYI
(
1
,
(
"lbmWrite: bp:0x%p flag:0x%x pn:0x%x
\n
"
,
...
...
@@ -1872,7 +1875,7 @@ static void lbmWrite(log_t * log, lbuf_t * bp, int flag, int cant_block)
* initiate pageout bypassing write queue for sidestream
* (e.g., log superblock) write;
*/
static
void
lbmDirectWrite
(
log_t
*
log
,
lbuf_t
*
bp
,
int
flag
)
static
void
lbmDirectWrite
(
struct
jfs_log
*
log
,
struct
lbuf
*
bp
,
int
flag
)
{
jEVENT
(
0
,
(
"lbmDirectWrite: bp:0x%p flag:0x%x pn:0x%x
\n
"
,
bp
,
flag
,
bp
->
l_pn
));
...
...
@@ -1902,10 +1905,10 @@ static void lbmDirectWrite(log_t * log, lbuf_t * bp, int flag)
*
* serialization: LCACHE_LOCK() is NOT held during log i/o;
*/
void
lbmStartIO
(
lbuf_t
*
bp
)
void
lbmStartIO
(
struct
lbuf
*
bp
)
{
struct
bio
*
bio
;
log_t
*
log
=
bp
->
l_log
;
struct
jfs_log
*
log
=
bp
->
l_log
;
jFYI
(
1
,
(
"lbmStartIO
\n
"
));
...
...
@@ -1935,7 +1938,7 @@ void lbmStartIO(lbuf_t * bp)
/*
* lbmIOWait()
*/
static
int
lbmIOWait
(
lbuf_t
*
bp
,
int
flag
)
static
int
lbmIOWait
(
struct
lbuf
*
bp
,
int
flag
)
{
unsigned
long
flags
;
int
rc
=
0
;
...
...
@@ -1968,9 +1971,9 @@ static int lbmIOWait(lbuf_t * bp, int flag)
*/
static
void
lbmIODone
(
struct
bio
*
bio
)
{
lbuf_t
*
bp
=
bio
->
bi_private
;
lbuf_t
*
nextbp
,
*
tail
;
log_t
*
log
;
struct
lbuf
*
bp
=
bio
->
bi_private
;
struct
lbuf
*
nextbp
,
*
tail
;
struct
jfs_log
*
log
;
unsigned
long
flags
;
/*
...
...
@@ -2109,7 +2112,7 @@ static void lbmIODone(struct bio *bio)
int
jfsIOWait
(
void
*
arg
)
{
lbuf_t
*
bp
;
struct
lbuf
*
bp
;
jFYI
(
1
,
(
"jfsIOWait is here!
\n
"
));
...
...
@@ -2167,16 +2170,16 @@ int jfsIOWait(void *arg)
* XXX: We're synchronously writing one page at a time. This needs to
* be improved by writing multiple pages at once.
*/
int
lmLogFormat
(
log_t
*
log
,
s64
logAddress
,
int
logSize
)
int
lmLogFormat
(
struct
jfs_log
*
log
,
s64
logAddress
,
int
logSize
)
{
int
rc
=
-
EIO
;
struct
jfs_sb_info
*
sbi
=
JFS_SBI
(
log
->
sb
);
logsuper_t
*
logsuper
;
logpage_t
*
lp
;
struct
logsuper
*
logsuper
;
struct
logpage
*
lp
;
int
lspn
;
/* log sequence page number */
struct
lrd
*
lrd_ptr
;
int
npages
=
0
;
lbuf_t
*
bp
;
struct
lbuf
*
bp
;
jFYI
(
0
,
(
"lmLogFormat: logAddress:%Ld logSize:%d
\n
"
,
(
long
long
)
logAddress
,
logSize
));
...
...
@@ -2198,7 +2201,7 @@ int lmLogFormat(log_t *log, s64 logAddress, int logSize)
/*
* init log superblock: log page 1
*/
logsuper
=
(
logsuper_t
*
)
bp
->
l_ldata
;
logsuper
=
(
struct
logsuper
*
)
bp
->
l_ldata
;
logsuper
->
magic
=
cpu_to_le32
(
LOGMAGIC
);
logsuper
->
version
=
cpu_to_le32
(
LOGVERSION
);
...
...
@@ -2237,7 +2240,7 @@ int lmLogFormat(log_t *log, s64 logAddress, int logSize)
* the succeeding log pages will have ascending order of
* the lspn starting from 0, ... (N-2)
*/
lp
=
(
logpage_t
*
)
bp
->
l_ldata
;
lp
=
(
struct
logpage
*
)
bp
->
l_ldata
;
/*
* initialize 1st log page to be written: lpsn = N - 1,
* write a SYNCPT log record is written to this page
...
...
fs/jfs/jfs_logmgr.h
View file @
8916919b
...
...
@@ -61,7 +61,7 @@
#define MAX_ACTIVE 128
/* Max active file systems sharing log */
typedef
struct
{
struct
logsuper
{
u32
magic
;
/* 4: log lv identifier */
s32
version
;
/* 4: version number */
s32
serial
;
/* 4: log open/mount counter */
...
...
@@ -78,7 +78,7 @@ typedef struct {
struct
{
char
uuid
[
16
];
}
active
[
MAX_ACTIVE
];
/* 2048: active file systems list */
}
logsuper_t
;
};
#define NULL_UUID "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"
...
...
@@ -119,7 +119,7 @@ typedef struct {
* the two and h.eor and t.eor set to 8 (i.e. empty page). if (only)
* h.eor != t.eor they were set to the smaller of their two values.
*/
typedef
struct
{
struct
logpage
{
struct
{
/* header */
s32
page
;
/* 4: log sequence page number */
s16
rsrvd
;
/* 2: */
...
...
@@ -133,7 +133,7 @@ typedef struct {
s16
rsrvd
;
/* 2: */
s16
eor
;
/* 2: normally the same as h.eor */
}
t
;
}
logpage_t
;
};
#define LOGPHDRSIZE 8
/* log page header size */
#define LOGPTLRSIZE 8
/* log page trailer size */
...
...
@@ -198,7 +198,7 @@ typedef struct {
#define LOG_FREEPXD 0x0001
typedef
struct
lrd
{
struct
lrd
{
/*
* type independent area
*/
...
...
@@ -349,23 +349,23 @@ typedef struct lrd {
* no type-dependent information
*/
}
log
;
}
lrd_t
;
/* (36) */
}
;
/* (36) */
#define LOGRDSIZE (sizeof(struct lrd))
/*
* line vector descriptor
*/
typedef
struct
{
struct
lvd
{
s16
offset
;
s16
length
;
}
lvd_t
;
};
/*
* log logical volume
*/
typedef
struct
jfs_log
{
struct
jfs_log
{
struct
super_block
*
sb
;
/* 4: This is used to sync metadata
* before writing syncpt. Will
...
...
@@ -416,7 +416,7 @@ typedef struct jfs_log {
struct
lbuf
*
wqueue
;
/* 4: log pageout queue */
int
count
;
/* 4: count */
char
uuid
[
16
];
/* 16: 128-bit uuid of log device */
}
log_t
;
};
/*
* Log flag
...
...
@@ -428,10 +428,10 @@ typedef struct jfs_log {
/*
* group commit flag
*/
/*
log_t
*/
/*
jfs_log
*/
#define logGC_PAGEOUT 0x00000001
/* tblock
_t/lbuf_t
*/
/* tblock
/lbuf
*/
#define tblkGC_QUEUE 0x0001
#define tblkGC_READY 0x0002
#define tblkGC_COMMIT 0x0004
...
...
@@ -446,8 +446,8 @@ typedef struct jfs_log {
/*
* log cache buffer header
*/
typedef
struct
lbuf
{
log_t
*
l_log
;
/* 4: log associated with buffer */
struct
lbuf
{
struct
jfs_log
*
l_log
;
/* 4: log associated with buffer */
/*
* data buffer base area
...
...
@@ -466,7 +466,7 @@ typedef struct lbuf {
wait_queue_head_t
l_ioevent
;
/* 4: i/o done event */
struct
page
*
l_page
;
/* The page itself */
}
lbuf_t
;
};
/* Reuse l_freelist for redrive list */
#define l_redrive_next l_freelist
...
...
@@ -474,15 +474,15 @@ typedef struct lbuf {
/*
* logsynclist block
*
* common logsyncblk prefix for jbuf_t and tblock
_t
* common logsyncblk prefix for jbuf_t and tblock
*/
typedef
struct
logsyncblk
{
struct
logsyncblk
{
u16
xflag
;
/* flags */
u16
flag
;
/* only meaninful in tblock
_t
*/
u16
flag
;
/* only meaninful in tblock */
lid_t
lid
;
/* lock id */
s32
lsn
;
/* log sequence number */
struct
list_head
synclist
;
/* log sync list link */
}
logsyncblk_t
;
};
/*
* logsynclist serialization (per log)
...
...
@@ -500,12 +500,12 @@ typedef struct logsyncblk {
diff += (log)->logsize;\
}
extern
int
lmLogOpen
(
struct
super_block
*
sb
,
log_t
**
log
);
extern
void
lmLogWait
(
log_t
*
log
);
extern
int
lmLogClose
(
struct
super_block
*
sb
,
log_t
*
log
);
extern
int
lmLogSync
(
log_t
*
log
,
int
nosyncwait
);
extern
int
lmLogShutdown
(
log_t
*
log
);
extern
int
lmLogInit
(
log_t
*
log
);
extern
int
lmLogFormat
(
log_t
*
log
,
s64
logAddress
,
int
logSize
);
extern
int
lmLogOpen
(
struct
super_block
*
sb
,
struct
jfs_log
**
log
);
extern
void
lmLogWait
(
struct
jfs_log
*
log
);
extern
int
lmLogClose
(
struct
super_block
*
sb
,
struct
jfs_log
*
log
);
extern
int
lmLogSync
(
struct
jfs_log
*
log
,
int
nosyncwait
);
extern
int
lmLogShutdown
(
struct
jfs_log
*
log
);
extern
int
lmLogInit
(
struct
jfs_log
*
log
);
extern
int
lmLogFormat
(
struct
jfs_log
*
log
,
s64
logAddress
,
int
logSize
);
#endif
/* _H_JFS_LOGMGR */
fs/jfs/jfs_metapage.c
View file @
8916919b
...
...
@@ -40,7 +40,7 @@ struct {
#define HASH_BITS 10
/* This makes hash_table 1 4K page */
#define HASH_SIZE (1 << HASH_BITS)
static
metapage_t
**
hash_table
=
NULL
;
static
struct
metapage
**
hash_table
=
NULL
;
static
unsigned
long
hash_order
;
...
...
@@ -92,7 +92,7 @@ static mempool_t *metapage_mempool;
static
void
init_once
(
void
*
foo
,
kmem_cache_t
*
cachep
,
unsigned
long
flags
)
{
metapage_t
*
mp
=
(
metapage_t
*
)
foo
;
struct
metapage
*
mp
=
(
struct
metapage
*
)
foo
;
if
((
flags
&
(
SLAB_CTOR_VERIFY
|
SLAB_CTOR_CONSTRUCTOR
))
==
SLAB_CTOR_CONSTRUCTOR
)
{
...
...
@@ -107,12 +107,12 @@ static void init_once(void *foo, kmem_cache_t *cachep, unsigned long flags)
}
}
static
inline
metapage_t
*
alloc_metapage
(
int
no_wait
)
static
inline
struct
metapage
*
alloc_metapage
(
int
no_wait
)
{
return
mempool_alloc
(
metapage_mempool
,
no_wait
?
GFP_ATOMIC
:
GFP_NOFS
);
}
static
inline
void
free_metapage
(
metapage_t
*
mp
)
static
inline
void
free_metapage
(
struct
metapage
*
mp
)
{
mp
->
flag
=
0
;
set_bit
(
META_free
,
&
mp
->
flag
);
...
...
@@ -134,8 +134,8 @@ int __init metapage_init(void)
/*
* Allocate the metapage structures
*/
metapage_cache
=
kmem_cache_create
(
"jfs_mp"
,
sizeof
(
metapage_t
),
0
,
0
,
init_once
,
NULL
);
metapage_cache
=
kmem_cache_create
(
"jfs_mp"
,
sizeof
(
struct
metapage
)
,
0
,
0
,
init_once
,
NULL
);
if
(
metapage_cache
==
NULL
)
return
-
ENOMEM
;
...
...
@@ -153,7 +153,7 @@ int __init metapage_init(void)
((
PAGE_SIZE
<<
hash_order
)
/
sizeof
(
void
*
))
<
HASH_SIZE
;
hash_order
++
);
hash_table
=
(
metapage_t
**
)
__get_free_pages
(
GFP_KERNEL
,
hash_order
);
(
struct
metapage
**
)
__get_free_pages
(
GFP_KERNEL
,
hash_order
);
assert
(
hash_table
);
memset
(
hash_table
,
0
,
PAGE_SIZE
<<
hash_order
);
...
...
@@ -169,7 +169,7 @@ void metapage_exit(void)
/*
* Basically same hash as in pagemap.h, but using our hash table
*/
static
metapage_t
**
meta_hash
(
struct
address_space
*
mapping
,
static
struct
metapage
**
meta_hash
(
struct
address_space
*
mapping
,
unsigned
long
index
)
{
#define i (((unsigned long)mapping)/ \
...
...
@@ -180,11 +180,11 @@ static metapage_t **meta_hash(struct address_space *mapping,
#undef s
}
static
metapage_t
*
search_hash
(
metapage_t
**
hash_ptr
,
static
struct
metapage
*
search_hash
(
struct
metapage
**
hash_ptr
,
struct
address_space
*
mapping
,
unsigned
long
index
)
{
metapage_t
*
ptr
;
struct
metapage
*
ptr
;
for
(
ptr
=
*
hash_ptr
;
ptr
;
ptr
=
ptr
->
hash_next
)
{
if
((
ptr
->
mapping
==
mapping
)
&&
(
ptr
->
index
==
index
))
...
...
@@ -194,7 +194,7 @@ static metapage_t *search_hash(metapage_t ** hash_ptr,
return
NULL
;
}
static
void
add_to_hash
(
metapage_t
*
mp
,
metapage_t
**
hash_ptr
)
static
void
add_to_hash
(
struct
metapage
*
mp
,
struct
metapage
**
hash_ptr
)
{
if
(
*
hash_ptr
)
(
*
hash_ptr
)
->
hash_prev
=
mp
;
...
...
@@ -204,7 +204,7 @@ static void add_to_hash(metapage_t * mp, metapage_t ** hash_ptr)
*
hash_ptr
=
mp
;
}
static
void
remove_from_hash
(
metapage_t
*
mp
,
metapage_t
**
hash_ptr
)
static
void
remove_from_hash
(
struct
metapage
*
mp
,
struct
metapage
**
hash_ptr
)
{
if
(
mp
->
hash_prev
)
mp
->
hash_prev
->
hash_next
=
mp
->
hash_next
;
...
...
@@ -217,15 +217,15 @@ static void remove_from_hash(metapage_t * mp, metapage_t ** hash_ptr)
mp
->
hash_next
->
hash_prev
=
mp
->
hash_prev
;
}
metapage_t
*
__get_metapage
(
struct
inode
*
inode
,
unsigned
long
lblock
,
unsigned
int
siz
e
,
int
absolute
,
unsigned
long
new
)
struct
metapage
*
__get_metapage
(
struct
inode
*
inode
,
unsigned
long
lblock
,
unsigned
int
size
,
int
absolut
e
,
unsigned
long
new
)
{
metapage_t
**
hash_ptr
;
struct
metapage
**
hash_ptr
;
int
l2BlocksPerPage
;
int
l2bsize
;
struct
address_space
*
mapping
;
metapage_t
*
mp
;
struct
metapage
*
mp
;
unsigned
long
page_index
;
unsigned
long
page_offset
;
...
...
@@ -289,7 +289,7 @@ metapage_t *__get_metapage(struct inode *inode,
}
}
if
(
!
mp
)
{
metapage_t
*
mp2
;
struct
metapage
*
mp2
;
spin_unlock
(
&
meta_lock
);
mp
=
mempool_alloc
(
metapage_mempool
,
GFP_NOFS
);
...
...
@@ -358,7 +358,7 @@ metapage_t *__get_metapage(struct inode *inode,
return
NULL
;
}
void
hold_metapage
(
metapage_t
*
mp
,
int
force
)
void
hold_metapage
(
struct
metapage
*
mp
,
int
force
)
{
spin_lock
(
&
meta_lock
);
...
...
@@ -374,7 +374,7 @@ void hold_metapage(metapage_t * mp, int force)
spin_unlock
(
&
meta_lock
);
}
static
void
__write_metapage
(
metapage_t
*
mp
)
static
void
__write_metapage
(
struct
metapage
*
mp
)
{
int
l2bsize
=
mp
->
mapping
->
host
->
i_blkbits
;
int
l2BlocksPerPage
=
PAGE_CACHE_SHIFT
-
l2bsize
;
...
...
@@ -420,7 +420,7 @@ static void __write_metapage(metapage_t * mp)
jFYI
(
1
,
(
"__write_metapage done
\n
"
));
}
static
inline
void
sync_metapage
(
metapage_t
*
mp
)
static
inline
void
sync_metapage
(
struct
metapage
*
mp
)
{
struct
page
*
page
=
mp
->
page
;
...
...
@@ -435,9 +435,9 @@ static inline void sync_metapage(metapage_t *mp)
page_cache_release
(
page
);
}
void
release_metapage
(
metapage_t
*
mp
)
void
release_metapage
(
struct
metapage
*
mp
)
{
log_t
*
log
;
struct
jfs_log
*
log
;
jFYI
(
1
,
(
"release_metapage: mp = 0x%p, flag = 0x%lx
\n
"
,
mp
,
...
...
@@ -502,11 +502,11 @@ void release_metapage(metapage_t * mp)
void
__invalidate_metapages
(
struct
inode
*
ip
,
s64
addr
,
int
len
)
{
metapage_t
**
hash_ptr
;
struct
metapage
**
hash_ptr
;
unsigned
long
lblock
;
int
l2BlocksPerPage
=
PAGE_CACHE_SHIFT
-
ip
->
i_blkbits
;
struct
address_space
*
mapping
=
ip
->
i_mapping
;
metapage_t
*
mp
;
struct
metapage
*
mp
;
struct
page
*
page
;
/*
...
...
@@ -538,11 +538,11 @@ void __invalidate_metapages(struct inode *ip, s64 addr, int len)
void
invalidate_inode_metapages
(
struct
inode
*
inode
)
{
struct
list_head
*
ptr
;
metapage_t
*
mp
;
struct
metapage
*
mp
;
spin_lock
(
&
meta_lock
);
list_for_each
(
ptr
,
&
JFS_IP
(
inode
)
->
mp_list
)
{
mp
=
list_entry
(
ptr
,
metapage_t
,
inode_list
);
mp
=
list_entry
(
ptr
,
struct
metapage
,
inode_list
);
clear_bit
(
META_dirty
,
&
mp
->
flag
);
set_bit
(
META_discard
,
&
mp
->
flag
);
kunmap
(
mp
->
page
);
...
...
fs/jfs/jfs_metapage.h
View file @
8916919b
...
...
@@ -21,7 +21,7 @@
#include <linux/pagemap.h>
typedef
struct
metapage
{
struct
metapage
{
/* Common logsyncblk prefix (see jfs_logmgr.h) */
u16
xflag
;
u16
unused
;
...
...
@@ -55,7 +55,7 @@ typedef struct metapage {
int
clsn
;
atomic_t
nohomeok
;
struct
jfs_log
*
log
;
}
metapage_t
;
};
/* metapage flag */
#define META_locked 0
...
...
@@ -69,7 +69,7 @@ typedef struct metapage {
#define mark_metapage_dirty(mp) set_bit(META_dirty, &(mp)->flag)
/* function prototypes */
extern
metapage_t
*
__get_metapage
(
struct
inode
*
inode
,
extern
struct
metapage
*
__get_metapage
(
struct
inode
*
inode
,
unsigned
long
lblock
,
unsigned
int
size
,
int
absolute
,
unsigned
long
new
);
...
...
@@ -79,22 +79,22 @@ extern metapage_t *__get_metapage(struct inode *inode,
#define get_metapage(inode, lblock, size, absolute)\
__get_metapage(inode, lblock, size, absolute, TRUE)
extern
void
release_metapage
(
metapage_t
*
);
extern
void
hold_metapage
(
metapage_t
*
,
int
);
extern
void
release_metapage
(
struct
metapage
*
);
extern
void
hold_metapage
(
struct
metapage
*
,
int
);
static
inline
void
write_metapage
(
metapage_t
*
mp
)
static
inline
void
write_metapage
(
struct
metapage
*
mp
)
{
set_bit
(
META_dirty
,
&
mp
->
flag
);
release_metapage
(
mp
);
}
static
inline
void
flush_metapage
(
metapage_t
*
mp
)
static
inline
void
flush_metapage
(
struct
metapage
*
mp
)
{
set_bit
(
META_sync
,
&
mp
->
flag
);
write_metapage
(
mp
);
}
static
inline
void
discard_metapage
(
metapage_t
*
mp
)
static
inline
void
discard_metapage
(
struct
metapage
*
mp
)
{
clear_bit
(
META_dirty
,
&
mp
->
flag
);
set_bit
(
META_discard
,
&
mp
->
flag
);
...
...
fs/jfs/jfs_mount.c
View file @
8916919b
...
...
@@ -249,7 +249,7 @@ int jfs_mount(struct super_block *sb)
int
jfs_mount_rw
(
struct
super_block
*
sb
,
int
remount
)
{
struct
jfs_sb_info
*
sbi
=
JFS_SBI
(
sb
);
log_t
*
log
;
struct
jfs_log
*
log
;
int
rc
;
/*
...
...
@@ -506,8 +506,8 @@ int readSuper(struct super_block *sb, struct buffer_head **bpp)
*/
static
int
logMOUNT
(
struct
super_block
*
sb
)
{
log_t
*
log
=
JFS_SBI
(
sb
)
->
log
;
lrd_t
lrd
;
struct
jfs_log
*
log
=
JFS_SBI
(
sb
)
->
log
;
struct
lrd
lrd
;
lrd
.
logtid
=
0
;
lrd
.
backchain
=
0
;
...
...
fs/jfs/jfs_txnmgr.c
View file @
8916919b
...
...
@@ -61,18 +61,18 @@
*/
static
struct
{
/* tblock */
int
freetid
;
/*
4:
index of a free tid structure */
wait_queue_head_t
freewait
;
/*
4:
eventlist of free tblock */
int
freetid
;
/* index of a free tid structure */
wait_queue_head_t
freewait
;
/* eventlist of free tblock */
/* tlock */
int
freelock
;
/*
4:
index first free lock word */
wait_queue_head_t
freelockwait
;
/*
4:
eventlist of free tlock */
wait_queue_head_t
lowlockwait
;
/*
4:
eventlist of ample tlocks */
int
tlocksInUse
;
/*
4:
Number of tlocks in use */
spinlock_t
LazyLock
;
/*
4:
synchronize sync_queue & unlock_queue */
/*
tblock_t *sync_queue; * 4:
Transactions waiting for data sync */
tblock_t
*
unlock_queue
;
/* 4: Transactio
ns waiting to be released */
tblock_t
*
unlock_tail
;
/* 4:
Tail of unlock_queue */
int
freelock
;
/* index first free lock word */
wait_queue_head_t
freelockwait
;
/* eventlist of free tlock */
wait_queue_head_t
lowlockwait
;
/* eventlist of ample tlocks */
int
tlocksInUse
;
/* Number of tlocks in use */
spinlock_t
LazyLock
;
/* synchronize sync_queue & unlock_queue */
/*
struct tblock *sync_queue; *
Transactions waiting for data sync */
struct
tblock
*
unlock_queue
;
/* Tx
ns waiting to be released */
struct
tblock
*
unlock_tail
;
/*
Tail of unlock_queue */
struct
list_head
anon_list
;
/* inodes having anonymous txns */
struct
list_head
anon_list2
;
/* inodes having anonymous txns
that couldn't be sync'ed */
...
...
@@ -142,8 +142,8 @@ struct {
/*
* external references
*/
extern
int
lmGroupCommit
(
log_t
*
log
,
tblock_t
*
tblk
);
extern
void
lmSync
(
log_t
*
);
extern
int
lmGroupCommit
(
struct
jfs_log
*
log
,
struct
tblock
*
tblk
);
extern
void
lmSync
(
struct
jfs_log
*
);
extern
int
jfs_commit_inode
(
struct
inode
*
,
int
);
extern
int
jfs_stop_threads
;
...
...
@@ -153,22 +153,27 @@ extern struct completion jfsIOwait;
/*
* forward references
*/
int
diLog
(
log_t
*
log
,
tblock_t
*
tblk
,
lrd_t
*
lrd
,
tlock_t
*
tlck
,
commit_t
*
cd
);
int
dataLog
(
log_t
*
log
,
tblock_t
*
tblk
,
lrd_t
*
lrd
,
tlock_t
*
tlck
);
void
dtLog
(
log_t
*
log
,
tblock_t
*
tblk
,
lrd_t
*
lrd
,
tlock_t
*
tlck
);
void
inlineLog
(
log_t
*
log
,
tblock_t
*
tblk
,
lrd_t
*
lrd
,
tlock_t
*
tlck
);
void
mapLog
(
log_t
*
log
,
tblock_t
*
tblk
,
lrd_t
*
lrd
,
tlock_t
*
tlck
);
void
txAbortCommit
(
commit_t
*
cd
,
int
exval
);
static
void
txAllocPMap
(
struct
inode
*
ip
,
maplock_t
*
maplock
,
tblock_t
*
tblk
);
void
txForce
(
tblock_t
*
tblk
);
static
int
txLog
(
log_t
*
log
,
tblock_t
*
tblk
,
commit_t
*
cd
);
int
diLog
(
struct
jfs_log
*
log
,
struct
tblock
*
tblk
,
struct
lrd
*
lrd
,
struct
tlock
*
tlck
,
struct
commit
*
cd
);
int
dataLog
(
struct
jfs_log
*
log
,
struct
tblock
*
tblk
,
struct
lrd
*
lrd
,
struct
tlock
*
tlck
);
void
dtLog
(
struct
jfs_log
*
log
,
struct
tblock
*
tblk
,
struct
lrd
*
lrd
,
struct
tlock
*
tlck
);
void
inlineLog
(
struct
jfs_log
*
log
,
struct
tblock
*
tblk
,
struct
lrd
*
lrd
,
struct
tlock
*
tlck
);
void
mapLog
(
struct
jfs_log
*
log
,
struct
tblock
*
tblk
,
struct
lrd
*
lrd
,
struct
tlock
*
tlck
);
void
txAbortCommit
(
struct
commit
*
cd
,
int
exval
);
static
void
txAllocPMap
(
struct
inode
*
ip
,
struct
maplock
*
maplock
,
struct
tblock
*
tblk
);
void
txForce
(
struct
tblock
*
tblk
);
static
int
txLog
(
struct
jfs_log
*
log
,
struct
tblock
*
tblk
,
struct
commit
*
cd
);
int
txMoreLock
(
void
);
static
void
txUpdateMap
(
tblock_t
*
tblk
);
static
void
txRelease
(
tblock_t
*
tblk
);
void
xtLog
(
log_t
*
log
,
tblock_t
*
tblk
,
lrd_t
*
lrd
,
tlock_t
*
tlck
);
static
void
LogSyncRelease
(
metapage_t
*
mp
);
static
void
txUpdateMap
(
struct
tblock
*
tblk
);
static
void
txRelease
(
struct
tblock
*
tblk
);
void
xtLog
(
struct
jfs_log
*
log
,
struct
tblock
*
tblk
,
struct
lrd
*
lrd
,
struct
tlock
*
tlck
);
static
void
LogSyncRelease
(
struct
metapage
*
mp
);
/*
* transaction block/lock management
...
...
@@ -229,8 +234,8 @@ int txInit(void)
* transaction id (tid) = tblock index
* tid = 0 is reserved.
*/
size
=
sizeof
(
tblock_t
)
*
nTxBlock
;
TxBlock
=
(
tblock_t
*
)
vmalloc
(
size
);
size
=
sizeof
(
struct
tblock
)
*
nTxBlock
;
TxBlock
=
(
struct
tblock
*
)
vmalloc
(
size
);
if
(
TxBlock
==
NULL
)
return
ENOMEM
;
...
...
@@ -254,8 +259,8 @@ int txInit(void)
* transaction lock id = tlock index
* tlock id = 0 is reserved.
*/
size
=
sizeof
(
tlock_t
)
*
nTxLock
;
TxLock
=
(
tlock_t
*
)
vmalloc
(
size
);
size
=
sizeof
(
struct
tlock
)
*
nTxLock
;
TxLock
=
(
struct
tlock
*
)
vmalloc
(
size
);
if
(
TxLock
==
NULL
)
{
vfree
(
TxBlock
);
return
ENOMEM
;
...
...
@@ -308,11 +313,11 @@ void txExit(void)
tid_t
txBegin
(
struct
super_block
*
sb
,
int
flag
)
{
tid_t
t
;
tblock_t
*
tblk
;
log_t
*
log
;
struct
tblock
*
tblk
;
struct
jfs_log
*
log
;
jFYI
(
1
,
(
"txBegin: flag = 0x%x
\n
"
,
flag
));
log
=
(
log_t
*
)
JFS_SBI
(
sb
)
->
log
;
log
=
JFS_SBI
(
sb
)
->
log
;
TXN_LOCK
();
...
...
@@ -367,7 +372,7 @@ tid_t txBegin(struct super_block *sb, int flag)
* We can't zero the whole thing or we screw up another thread being
* awakened after sleeping on tblk->waitor
*
* memset(tblk, 0, sizeof(
tblock_t
));
* memset(tblk, 0, sizeof(
struct tblock
));
*/
tblk
->
next
=
tblk
->
last
=
tblk
->
xflag
=
tblk
->
flag
=
tblk
->
lsn
=
0
;
...
...
@@ -401,9 +406,9 @@ tid_t txBegin(struct super_block *sb, int flag)
*/
void
txBeginAnon
(
struct
super_block
*
sb
)
{
log_t
*
log
;
struct
jfs_log
*
log
;
log
=
(
log_t
*
)
JFS_SBI
(
sb
)
->
log
;
log
=
JFS_SBI
(
sb
)
->
log
;
TXN_LOCK
();
...
...
@@ -439,8 +444,8 @@ void txBeginAnon(struct super_block *sb)
*/
void
txEnd
(
tid_t
tid
)
{
tblock_t
*
tblk
=
tid_to_tblock
(
tid
);
log_t
*
log
;
struct
tblock
*
tblk
=
tid_to_tblock
(
tid
);
struct
jfs_log
*
log
;
jFYI
(
1
,
(
"txEnd: tid = %d
\n
"
,
tid
));
TXN_LOCK
();
...
...
@@ -451,7 +456,7 @@ void txEnd(tid_t tid)
*/
TXN_WAKEUP
(
&
tblk
->
waitor
);
log
=
(
log_t
*
)
JFS_SBI
(
tblk
->
sb
)
->
log
;
log
=
JFS_SBI
(
tblk
->
sb
)
->
log
;
/*
* Lazy commit thread can't free this guy until we mark it UNLOCKED,
...
...
@@ -525,17 +530,18 @@ void txEnd(tid_t tid)
*
* serialization:
*/
tlock_t
*
txLock
(
tid_t
tid
,
struct
inode
*
ip
,
metapage_t
*
mp
,
int
type
)
struct
tlock
*
txLock
(
tid_t
tid
,
struct
inode
*
ip
,
struct
metapage
*
mp
,
int
type
)
{
struct
jfs_inode_info
*
jfs_ip
=
JFS_IP
(
ip
);
int
dir_xtree
=
0
;
lid_t
lid
;
tid_t
xtid
;
tlock_t
*
tlck
;
xtlock_t
*
xtlck
;
linelock_t
*
linelock
;
struct
tlock
*
tlck
;
struct
xtlock
*
xtlck
;
struct
linelock
*
linelock
;
xtpage_t
*
p
;
tblock_t
*
tblk
;
struct
tblock
*
tblk
;
TXN_LOCK
();
...
...
@@ -695,7 +701,7 @@ tlock_t *txLock(tid_t tid, struct inode *ip, metapage_t * mp, int type)
}
/* initialize type dependent area for linelock */
linelock
=
(
linelock_t
*
)
&
tlck
->
lock
;
linelock
=
(
struct
linelock
*
)
&
tlck
->
lock
;
linelock
->
next
=
0
;
linelock
->
flag
=
tlckLINELOCK
;
linelock
->
maxcnt
=
TLOCKSHORT
;
...
...
@@ -709,7 +715,7 @@ tlock_t *txLock(tid_t tid, struct inode *ip, metapage_t * mp, int type)
case
tlckXTREE
:
linelock
->
l2linesize
=
L2XTSLOTSIZE
;
xtlck
=
(
xtlock_t
*
)
linelock
;
xtlck
=
(
struct
xtlock
*
)
linelock
;
xtlck
->
header
.
offset
=
0
;
xtlck
->
header
.
length
=
2
;
...
...
@@ -761,10 +767,10 @@ tlock_t *txLock(tid_t tid, struct inode *ip, metapage_t * mp, int type)
if
(
jfs_ip
->
fileset
!=
AGGREGATE_I
)
{
jERROR
(
1
,
(
"txLock: trying to lock locked page!
\n
"
));
dump_mem
(
"ip"
,
ip
,
sizeof
(
struct
inode
));
dump_mem
(
"mp"
,
mp
,
sizeof
(
metapage_t
));
dump_mem
(
"mp"
,
mp
,
sizeof
(
struct
metapage
));
dump_mem
(
"Locker's tblk"
,
tid_to_tblock
(
tid
),
sizeof
(
tblock_t
));
dump_mem
(
"Tlock"
,
tlck
,
sizeof
(
tlock_t
));
sizeof
(
struct
tblock
));
dump_mem
(
"Tlock"
,
tlck
,
sizeof
(
struct
tlock
));
BUG
();
}
INCREMENT
(
stattx
.
waitlock
);
/* statistics */
...
...
@@ -792,11 +798,11 @@ tlock_t *txLock(tid_t tid, struct inode *ip, metapage_t * mp, int type)
*
* RETURN: Errors from subroutines.
*/
static
void
txRelease
(
tblock_t
*
tblk
)
static
void
txRelease
(
struct
tblock
*
tblk
)
{
metapage_t
*
mp
;
struct
metapage
*
mp
;
lid_t
lid
;
tlock_t
*
tlck
;
struct
tlock
*
tlck
;
TXN_LOCK
();
...
...
@@ -825,17 +831,17 @@ static void txRelease(tblock_t * tblk)
* FUNCTION: Initiates pageout of pages modified by tid in journalled
* objects and frees their lockwords.
*/
static
void
txUnlock
(
tblock_t
*
tblk
)
static
void
txUnlock
(
struct
tblock
*
tblk
)
{
tlock_t
*
tlck
;
linelock_t
*
linelock
;
struct
tlock
*
tlck
;
struct
linelock
*
linelock
;
lid_t
lid
,
next
,
llid
,
k
;
metapage_t
*
mp
;
log_t
*
log
;
struct
metapage
*
mp
;
struct
jfs_log
*
log
;
int
difft
,
diffp
;
jFYI
(
1
,
(
"txUnlock: tblk = 0x%p
\n
"
,
tblk
));
log
=
(
log_t
*
)
JFS_SBI
(
tblk
->
sb
)
->
log
;
log
=
JFS_SBI
(
tblk
->
sb
)
->
log
;
/*
* mark page under tlock homeok (its log has been written):
...
...
@@ -889,9 +895,9 @@ static void txUnlock(tblock_t * tblk)
*/
TXN_LOCK
();
llid
=
((
linelock_t
*
)
&
tlck
->
lock
)
->
next
;
llid
=
((
struct
linelock
*
)
&
tlck
->
lock
)
->
next
;
while
(
llid
)
{
linelock
=
(
linelock_t
*
)
lid_to_tlock
(
llid
);
linelock
=
(
struct
linelock
*
)
lid_to_tlock
(
llid
);
k
=
linelock
->
next
;
txLockFree
(
llid
);
llid
=
k
;
...
...
@@ -922,13 +928,13 @@ static void txUnlock(tblock_t * tblk)
* function: allocate a transaction lock for freed page/entry;
* for freed page, maplock is used as xtlock/dtlock type;
*/
tlock_t
*
txMaplock
(
tid_t
tid
,
struct
inode
*
ip
,
int
type
)
struct
tlock
*
txMaplock
(
tid_t
tid
,
struct
inode
*
ip
,
int
type
)
{
struct
jfs_inode_info
*
jfs_ip
=
JFS_IP
(
ip
);
lid_t
lid
;
tblock_t
*
tblk
;
tlock_t
*
tlck
;
maplock_t
*
maplock
;
struct
tblock
*
tblk
;
struct
tlock
*
tlck
;
struct
maplock
*
maplock
;
TXN_LOCK
();
...
...
@@ -980,7 +986,7 @@ tlock_t *txMaplock(tid_t tid, struct inode *ip, int type)
TXN_UNLOCK
();
/* initialize type dependent area for maplock */
maplock
=
(
maplock_t
*
)
&
tlck
->
lock
;
maplock
=
(
struct
maplock
*
)
&
tlck
->
lock
;
maplock
->
next
=
0
;
maplock
->
maxcnt
=
0
;
maplock
->
index
=
0
;
...
...
@@ -994,11 +1000,11 @@ tlock_t *txMaplock(tid_t tid, struct inode *ip, int type)
*
* function: allocate a transaction lock for log vector list
*/
linelock_t
*
txLinelock
(
linelock_t
*
tlock
)
struct
linelock
*
txLinelock
(
struct
linelock
*
tlock
)
{
lid_t
lid
;
tlock_t
*
tlck
;
linelock_t
*
linelock
;
struct
tlock
*
tlck
;
struct
linelock
*
linelock
;
TXN_LOCK
();
...
...
@@ -1009,7 +1015,7 @@ linelock_t *txLinelock(linelock_t * tlock)
TXN_UNLOCK
();
/* initialize linelock */
linelock
=
(
linelock_t
*
)
tlck
;
linelock
=
(
struct
linelock
*
)
tlck
;
linelock
->
next
=
0
;
linelock
->
flag
=
tlckLINELOCK
;
linelock
->
maxcnt
=
TLOCKLONG
;
...
...
@@ -1067,10 +1073,10 @@ int txCommit(tid_t tid, /* transaction identifier */
int
flag
)
{
int
rc
=
0
,
rc1
=
0
;
commit_
t
cd
;
log_t
*
log
;
tblock_t
*
tblk
;
lrd_t
*
lrd
;
struct
commi
t
cd
;
struct
jfs_log
*
log
;
struct
tblock
*
tblk
;
struct
lrd
*
lrd
;
int
lsn
;
struct
inode
*
ip
;
struct
jfs_inode_info
*
jfs_ip
;
...
...
@@ -1095,7 +1101,7 @@ int txCommit(tid_t tid, /* transaction identifier */
/*
* initialize commit structure
*/
log
=
(
log_t
*
)
JFS_SBI
(
sb
)
->
log
;
log
=
JFS_SBI
(
sb
)
->
log
;
cd
.
log
=
log
;
/* initialize log record descriptor in commit */
...
...
@@ -1293,13 +1299,13 @@ int txCommit(tid_t tid, /* transaction identifier */
*
* RETURN :
*/
static
int
txLog
(
log_t
*
log
,
tblock_t
*
tblk
,
commit_
t
*
cd
)
static
int
txLog
(
struct
jfs_log
*
log
,
struct
tblock
*
tblk
,
struct
commi
t
*
cd
)
{
int
rc
=
0
;
struct
inode
*
ip
;
lid_t
lid
;
tlock_t
*
tlck
;
lrd_t
*
lrd
=
&
cd
->
lrd
;
struct
tlock
*
tlck
;
struct
lrd
*
lrd
=
&
cd
->
lrd
;
/*
* write log record(s) for each tlock of transaction,
...
...
@@ -1356,13 +1362,13 @@ static int txLog(log_t * log, tblock_t * tblk, commit_t * cd)
*
* function: log inode tlock and format maplock to update bmap;
*/
int
diLog
(
log_t
*
log
,
tblock_t
*
tblk
,
lrd_t
*
lrd
,
tlock_t
*
tlck
,
commit_
t
*
cd
)
int
diLog
(
struct
jfs_log
*
log
,
struct
tblock
*
tblk
,
struct
lrd
*
lrd
,
struct
tlock
*
tlck
,
struct
commi
t
*
cd
)
{
int
rc
=
0
;
metapage_t
*
mp
;
struct
metapage
*
mp
;
pxd_t
*
pxd
;
pxdlock_t
*
pxdlock
;
struct
pxd_lock
*
pxdlock
;
mp
=
tlck
->
mp
;
...
...
@@ -1418,7 +1424,7 @@ int diLog(log_t * log,
lrd
->
log
.
noredoinoext
.
inoext_idx
=
cpu_to_le32
((
u32
)
(
size_t
)
cd
->
iplist
[
2
]);
pxdlock
=
(
pxdlock_t
*
)
&
tlck
->
lock
;
pxdlock
=
(
struct
pxd_lock
*
)
&
tlck
->
lock
;
*
pxd
=
pxdlock
->
pxd
;
lrd
->
backchain
=
cpu_to_le32
(
lmLog
(
log
,
tblk
,
lrd
,
NULL
));
...
...
@@ -1444,7 +1450,7 @@ int diLog(log_t * log,
* alloc of new (and free of old) external EA extent;
*/
lrd
->
type
=
cpu_to_le16
(
LOG_UPDATEMAP
);
pxdlock
=
(
pxdlock_t
*
)
&
tlck
->
lock
;
pxdlock
=
(
struct
pxd_lock
*
)
&
tlck
->
lock
;
nlock
=
pxdlock
->
index
;
for
(
i
=
0
;
i
<
nlock
;
i
++
,
pxdlock
++
)
{
if
(
pxdlock
->
flag
&
mlckALLOCPXD
)
...
...
@@ -1473,9 +1479,10 @@ int diLog(log_t * log,
*
* function: log data tlock
*/
int
dataLog
(
log_t
*
log
,
tblock_t
*
tblk
,
lrd_t
*
lrd
,
tlock_t
*
tlck
)
int
dataLog
(
struct
jfs_log
*
log
,
struct
tblock
*
tblk
,
struct
lrd
*
lrd
,
struct
tlock
*
tlck
)
{
metapage_t
*
mp
;
struct
metapage
*
mp
;
pxd_t
*
pxd
;
int
rc
;
s64
xaddr
;
...
...
@@ -1528,11 +1535,12 @@ int dataLog(log_t * log, tblock_t * tblk, lrd_t * lrd, tlock_t * tlck)
*
* function: log dtree tlock and format maplock to update bmap;
*/
void
dtLog
(
log_t
*
log
,
tblock_t
*
tblk
,
lrd_t
*
lrd
,
tlock_t
*
tlck
)
void
dtLog
(
struct
jfs_log
*
log
,
struct
tblock
*
tblk
,
struct
lrd
*
lrd
,
struct
tlock
*
tlck
)
{
struct
inode
*
ip
;
metapage_t
*
mp
;
pxdlock_t
*
pxdlock
;
struct
metapage
*
mp
;
struct
pxd_lock
*
pxdlock
;
pxd_t
*
pxd
;
ip
=
tlck
->
ip
;
...
...
@@ -1575,7 +1583,7 @@ void dtLog(log_t * log, tblock_t * tblk, lrd_t * lrd, tlock_t * tlck)
if
(
tlck
->
type
&
tlckBTROOT
)
return
;
tlck
->
flag
|=
tlckUPDATEMAP
;
pxdlock
=
(
pxdlock_t
*
)
&
tlck
->
lock
;
pxdlock
=
(
struct
pxd_lock
*
)
&
tlck
->
lock
;
pxdlock
->
flag
=
mlckALLOCPXD
;
pxdlock
->
pxd
=
*
pxd
;
...
...
@@ -1616,7 +1624,7 @@ void dtLog(log_t * log, tblock_t * tblk, lrd_t * lrd, tlock_t * tlck)
* of the deletd page
*/
lrd
->
type
=
cpu_to_le16
(
LOG_NOREDOPAGE
);
pxdlock
=
(
pxdlock_t
*
)
&
tlck
->
lock
;
pxdlock
=
(
struct
pxd_lock
*
)
&
tlck
->
lock
;
*
pxd
=
pxdlock
->
pxd
;
lrd
->
backchain
=
cpu_to_le32
(
lmLog
(
log
,
tblk
,
lrd
,
NULL
));
...
...
@@ -1634,15 +1642,16 @@ void dtLog(log_t * log, tblock_t * tblk, lrd_t * lrd, tlock_t * tlck)
*
* function: log xtree tlock and format maplock to update bmap;
*/
void
xtLog
(
log_t
*
log
,
tblock_t
*
tblk
,
lrd_t
*
lrd
,
tlock_t
*
tlck
)
void
xtLog
(
struct
jfs_log
*
log
,
struct
tblock
*
tblk
,
struct
lrd
*
lrd
,
struct
tlock
*
tlck
)
{
struct
inode
*
ip
;
metapage_t
*
mp
;
struct
metapage
*
mp
;
xtpage_t
*
p
;
xtlock_t
*
xtlck
;
maplock_t
*
maplock
;
xdlistlock_t
*
xadlock
;
pxdlock_t
*
pxdlock
;
struct
xtlock
*
xtlck
;
struct
maplock
*
maplock
;
struct
xdlistlock
*
xadlock
;
struct
pxd_lock
*
pxdlock
;
pxd_t
*
pxd
;
int
next
,
lwm
,
hwm
;
...
...
@@ -1665,10 +1674,10 @@ void xtLog(log_t * log, tblock_t * tblk, lrd_t * lrd, tlock_t * tlck)
p
=
(
xtpage_t
*
)
mp
->
data
;
next
=
le16_to_cpu
(
p
->
header
.
nextindex
);
xtlck
=
(
xtlock_t
*
)
&
tlck
->
lock
;
xtlck
=
(
struct
xtlock
*
)
&
tlck
->
lock
;
maplock
=
(
maplock_t
*
)
&
tlck
->
lock
;
xadlock
=
(
xdlistlock_t
*
)
maplock
;
maplock
=
(
struct
maplock
*
)
&
tlck
->
lock
;
xadlock
=
(
struct
xdlistlock
*
)
maplock
;
/*
* entry insertion/extension;
...
...
@@ -1786,7 +1795,7 @@ void xtLog(log_t * log, tblock_t * tblk, lrd_t * lrd, tlock_t * tlck)
*/
lrd
->
type
=
cpu_to_le16
(
LOG_UPDATEMAP
);
lrd
->
log
.
updatemap
.
type
=
cpu_to_le16
(
LOG_FREEXADLIST
);
xtlck
=
(
xtlock_t
*
)
&
tlck
->
lock
;
xtlck
=
(
struct
xtlock
*
)
&
tlck
->
lock
;
hwm
=
xtlck
->
hwm
.
offset
;
lrd
->
log
.
updatemap
.
nxd
=
cpu_to_le16
(
hwm
-
XTENTRYSTART
+
1
);
...
...
@@ -1905,7 +1914,7 @@ void xtLog(log_t * log, tblock_t * tblk, lrd_t * lrd, tlock_t * tlck)
* entry XAD[next - 1]:
* (xtlck->pxdlock = truncated delta extent);
*/
pxdlock
=
(
pxdlock_t
*
)
&
xtlck
->
pxdlock
;
pxdlock
=
(
struct
pxd_lock
*
)
&
xtlck
->
pxdlock
;
/* assert(pxdlock->type & tlckTRUNCATE); */
lrd
->
type
=
cpu_to_le16
(
LOG_UPDATEMAP
);
lrd
->
log
.
updatemap
.
type
=
cpu_to_le16
(
LOG_FREEPXD
);
...
...
@@ -1927,7 +1936,7 @@ void xtLog(log_t * log, tblock_t * tblk, lrd_t * lrd, tlock_t * tlck)
lrd
->
type
=
cpu_to_le16
(
LOG_UPDATEMAP
);
lrd
->
log
.
updatemap
.
type
=
cpu_to_le16
(
LOG_FREEXADLIST
);
xtlck
=
(
xtlock_t
*
)
&
tlck
->
lock
;
xtlck
=
(
struct
xtlock
*
)
&
tlck
->
lock
;
hwm
=
xtlck
->
hwm
.
offset
;
lrd
->
log
.
updatemap
.
nxd
=
cpu_to_le16
(
hwm
-
next
+
1
);
...
...
@@ -1969,7 +1978,7 @@ void xtLog(log_t * log, tblock_t * tblk, lrd_t * lrd, tlock_t * tlck)
* truncate entry XAD[twm == next - 1]:
*/
if
(
twm
==
next
-
1
)
{
pxdlock_t
*
pxdlock
;
struct
pxd_lock
*
pxdlock
;
/* format a maplock for txUpdateMap() to update bmap
* to free truncated delta extent of the truncated
...
...
@@ -1977,7 +1986,7 @@ void xtLog(log_t * log, tblock_t * tblk, lrd_t * lrd, tlock_t * tlck)
* (xtlck->pxdlock = truncated delta extent);
*/
tlck
->
flag
|=
tlckUPDATEMAP
;
pxdlock
=
(
pxdlock_t
*
)
xadlock
;
pxdlock
=
(
struct
pxd_lock
*
)
xadlock
;
pxdlock
->
flag
=
mlckFREEPXD
;
pxdlock
->
count
=
1
;
pxdlock
->
pxd
=
tpxd
;
...
...
@@ -2020,9 +2029,10 @@ void xtLog(log_t * log, tblock_t * tblk, lrd_t * lrd, tlock_t * tlck)
*
* function: log from maplock of freed data extents;
*/
void
mapLog
(
log_t
*
log
,
tblock_t
*
tblk
,
lrd_t
*
lrd
,
tlock_t
*
tlck
)
void
mapLog
(
struct
jfs_log
*
log
,
struct
tblock
*
tblk
,
struct
lrd
*
lrd
,
struct
tlock
*
tlck
)
{
pxdlock_t
*
pxdlock
;
struct
pxd_lock
*
pxdlock
;
int
i
,
nlock
;
pxd_t
*
pxd
;
...
...
@@ -2038,7 +2048,7 @@ void mapLog(log_t * log, tblock_t * tblk, lrd_t * lrd, tlock_t * tlck)
* for logredo() to start NoRedoPage filter;
*/
lrd
->
type
=
cpu_to_le16
(
LOG_NOREDOPAGE
);
pxdlock
=
(
pxdlock_t
*
)
&
tlck
->
lock
;
pxdlock
=
(
struct
pxd_lock
*
)
&
tlck
->
lock
;
pxd
=
&
lrd
->
log
.
redopage
.
pxd
;
*
pxd
=
pxdlock
->
pxd
;
lrd
->
backchain
=
cpu_to_le32
(
lmLog
(
log
,
tblk
,
lrd
,
NULL
));
...
...
@@ -2077,7 +2087,7 @@ void mapLog(log_t * log, tblock_t * tblk, lrd_t * lrd, tlock_t * tlck)
* from xtTailgate();
*/
lrd
->
type
=
cpu_to_le16
(
LOG_UPDATEMAP
);
pxdlock
=
(
pxdlock_t
*
)
&
tlck
->
lock
;
pxdlock
=
(
struct
pxd_lock
*
)
&
tlck
->
lock
;
nlock
=
pxdlock
->
index
;
for
(
i
=
0
;
i
<
nlock
;
i
++
,
pxdlock
++
)
{
if
(
pxdlock
->
flag
&
mlckALLOCPXD
)
...
...
@@ -2109,8 +2119,8 @@ void mapLog(log_t * log, tblock_t * tblk, lrd_t * lrd, tlock_t * tlck)
*/
void
txEA
(
tid_t
tid
,
struct
inode
*
ip
,
dxd_t
*
oldea
,
dxd_t
*
newea
)
{
tlock_t
*
tlck
=
NULL
;
pxdlock_t
*
maplock
=
NULL
,
*
pxdlock
=
NULL
;
struct
tlock
*
tlck
=
NULL
;
struct
pxd_lock
*
maplock
=
NULL
,
*
pxdlock
=
NULL
;
/*
* format maplock for alloc of new EA extent
...
...
@@ -2122,8 +2132,8 @@ void txEA(tid_t tid, struct inode *ip, dxd_t * oldea, dxd_t * newea)
*/
if
(
newea
->
flag
&
DXD_EXTENT
)
{
tlck
=
txMaplock
(
tid
,
ip
,
tlckMAP
);
maplock
=
(
pxdlock_t
*
)
&
tlck
->
lock
;
pxdlock
=
(
pxdlock_t
*
)
maplock
;
maplock
=
(
struct
pxd_lock
*
)
&
tlck
->
lock
;
pxdlock
=
(
struct
pxd_lock
*
)
maplock
;
pxdlock
->
flag
=
mlckALLOCPXD
;
PXDaddress
(
&
pxdlock
->
pxd
,
addressDXD
(
newea
));
PXDlength
(
&
pxdlock
->
pxd
,
lengthDXD
(
newea
));
...
...
@@ -2142,8 +2152,8 @@ void txEA(tid_t tid, struct inode *ip, dxd_t * oldea, dxd_t * newea)
if
(
!
test_cflag
(
COMMIT_Nolink
,
ip
)
&&
oldea
->
flag
&
DXD_EXTENT
)
{
if
(
tlck
==
NULL
)
{
tlck
=
txMaplock
(
tid
,
ip
,
tlckMAP
);
maplock
=
(
pxdlock_t
*
)
&
tlck
->
lock
;
pxdlock
=
(
pxdlock_t
*
)
maplock
;
maplock
=
(
struct
pxd_lock
*
)
&
tlck
->
lock
;
pxdlock
=
(
struct
pxd_lock
*
)
maplock
;
maplock
->
index
=
0
;
}
pxdlock
->
flag
=
mlckFREEPXD
;
...
...
@@ -2160,11 +2170,11 @@ void txEA(tid_t tid, struct inode *ip, dxd_t * oldea, dxd_t * newea)
* function: synchronously write pages locked by transaction
* after txLog() but before txUpdateMap();
*/
void
txForce
(
tblock_t
*
tblk
)
void
txForce
(
struct
tblock
*
tblk
)
{
tlock_t
*
tlck
;
struct
tlock
*
tlck
;
lid_t
lid
,
next
;
metapage_t
*
mp
;
struct
metapage
*
mp
;
/*
* reverse the order of transaction tlocks in
...
...
@@ -2215,17 +2225,17 @@ void txForce(tblock_t * tblk)
*
* parameter:
*/
static
void
txUpdateMap
(
tblock_t
*
tblk
)
static
void
txUpdateMap
(
struct
tblock
*
tblk
)
{
struct
inode
*
ip
;
struct
inode
*
ipimap
;
lid_t
lid
;
tlock_t
*
tlck
;
maplock_t
*
maplock
;
pxdlock_t
pxdlock
;
struct
tlock
*
tlck
;
struct
maplock
*
maplock
;
struct
pxd_lock
pxdlock
;
int
maptype
;
int
k
,
nlock
;
metapage_t
*
mp
=
0
;
struct
metapage
*
mp
=
0
;
ipimap
=
JFS_SBI
(
tblk
->
sb
)
->
ipimap
;
...
...
@@ -2268,7 +2278,7 @@ static void txUpdateMap(tblock_t * tblk)
* . in-line PXD list:
* . out-of-line XAD list:
*/
maplock
=
(
maplock_t
*
)
&
tlck
->
lock
;
maplock
=
(
struct
maplock
*
)
&
tlck
->
lock
;
nlock
=
maplock
->
index
;
for
(
k
=
0
;
k
<
nlock
;
k
++
,
maplock
++
)
{
...
...
@@ -2339,7 +2349,7 @@ static void txUpdateMap(tblock_t * tblk)
pxdlock
.
flag
=
mlckALLOCPXD
;
pxdlock
.
pxd
=
JFS_IP
(
ip
)
->
ixpxd
;
pxdlock
.
index
=
1
;
txAllocPMap
(
ip
,
(
maplock_t
*
)
&
pxdlock
,
tblk
);
txAllocPMap
(
ip
,
(
struct
maplock
*
)
&
pxdlock
,
tblk
);
iput
(
ip
);
}
else
if
(
tblk
->
xflag
&
COMMIT_DELETE
)
{
ip
=
tblk
->
ip
;
...
...
@@ -2374,16 +2384,16 @@ static void txUpdateMap(tblock_t * tblk)
*
* lsn - log sequence number;
*/
static
void
txAllocPMap
(
struct
inode
*
ip
,
maplock_t
*
maplock
,
tblock_t
*
tblk
)
static
void
txAllocPMap
(
struct
inode
*
ip
,
struct
maplock
*
maplock
,
struct
tblock
*
tblk
)
{
struct
inode
*
ipbmap
=
JFS_SBI
(
ip
->
i_sb
)
->
ipbmap
;
xdlistlock_t
*
xadlistlock
;
struct
xdlistlock
*
xadlistlock
;
xad_t
*
xad
;
s64
xaddr
;
int
xlen
;
pxdlock_t
*
pxdlock
;
xdlistlock_t
*
pxdlistlock
;
struct
pxd_lock
*
pxdlock
;
struct
xdlistlock
*
pxdlistlock
;
pxd_t
*
pxd
;
int
n
;
...
...
@@ -2391,7 +2401,7 @@ static void txAllocPMap(struct inode *ip, maplock_t * maplock,
* allocate from persistent map;
*/
if
(
maplock
->
flag
&
mlckALLOCXADLIST
)
{
xadlistlock
=
(
xdlistlock_t
*
)
maplock
;
xadlistlock
=
(
struct
xdlistlock
*
)
maplock
;
xad
=
xadlistlock
->
xdlist
;
for
(
n
=
0
;
n
<
xadlistlock
->
count
;
n
++
,
xad
++
)
{
if
(
xad
->
flag
&
(
XAD_NEW
|
XAD_EXTENDED
))
{
...
...
@@ -2406,7 +2416,7 @@ static void txAllocPMap(struct inode *ip, maplock_t * maplock,
}
}
}
else
if
(
maplock
->
flag
&
mlckALLOCPXD
)
{
pxdlock
=
(
pxdlock_t
*
)
maplock
;
pxdlock
=
(
struct
pxd_lock
*
)
maplock
;
xaddr
=
addressPXD
(
&
pxdlock
->
pxd
);
xlen
=
lengthPXD
(
&
pxdlock
->
pxd
);
dbUpdatePMap
(
ipbmap
,
FALSE
,
xaddr
,
(
s64
)
xlen
,
tblk
);
...
...
@@ -2415,7 +2425,7 @@ static void txAllocPMap(struct inode *ip, maplock_t * maplock,
xlen
));
}
else
{
/* (maplock->flag & mlckALLOCPXDLIST) */
pxdlistlock
=
(
xdlistlock_t
*
)
maplock
;
pxdlistlock
=
(
struct
xdlistlock
*
)
maplock
;
pxd
=
pxdlistlock
->
xdlist
;
for
(
n
=
0
;
n
<
pxdlistlock
->
count
;
n
++
,
pxd
++
)
{
xaddr
=
addressPXD
(
pxd
);
...
...
@@ -2438,15 +2448,15 @@ static void txAllocPMap(struct inode *ip, maplock_t * maplock,
* todo: optimization
*/
void
txFreeMap
(
struct
inode
*
ip
,
maplock_t
*
maplock
,
tblock_t
*
tblk
,
int
maptype
)
struct
maplock
*
maplock
,
struct
tblock
*
tblk
,
int
maptype
)
{
struct
inode
*
ipbmap
=
JFS_SBI
(
ip
->
i_sb
)
->
ipbmap
;
xdlistlock_t
*
xadlistlock
;
struct
xdlistlock
*
xadlistlock
;
xad_t
*
xad
;
s64
xaddr
;
int
xlen
;
pxdlock_t
*
pxdlock
;
xdlistlock_t
*
pxdlistlock
;
struct
pxd_lock
*
pxdlock
;
struct
xdlistlock
*
pxdlistlock
;
pxd_t
*
pxd
;
int
n
;
...
...
@@ -2459,7 +2469,7 @@ void txFreeMap(struct inode *ip,
*/
if
(
maptype
==
COMMIT_PMAP
||
maptype
==
COMMIT_PWMAP
)
{
if
(
maplock
->
flag
&
mlckFREEXADLIST
)
{
xadlistlock
=
(
xdlistlock_t
*
)
maplock
;
xadlistlock
=
(
struct
xdlistlock
*
)
maplock
;
xad
=
xadlistlock
->
xdlist
;
for
(
n
=
0
;
n
<
xadlistlock
->
count
;
n
++
,
xad
++
)
{
if
(
!
(
xad
->
flag
&
XAD_NEW
))
{
...
...
@@ -2473,7 +2483,7 @@ void txFreeMap(struct inode *ip,
}
}
}
else
if
(
maplock
->
flag
&
mlckFREEPXD
)
{
pxdlock
=
(
pxdlock_t
*
)
maplock
;
pxdlock
=
(
struct
pxd_lock
*
)
maplock
;
xaddr
=
addressPXD
(
&
pxdlock
->
pxd
);
xlen
=
lengthPXD
(
&
pxdlock
->
pxd
);
dbUpdatePMap
(
ipbmap
,
TRUE
,
xaddr
,
(
s64
)
xlen
,
...
...
@@ -2483,7 +2493,7 @@ void txFreeMap(struct inode *ip,
(
ulong
)
xaddr
,
xlen
));
}
else
{
/* (maplock->flag & mlckALLOCPXDLIST) */
pxdlistlock
=
(
xdlistlock_t
*
)
maplock
;
pxdlistlock
=
(
struct
xdlistlock
*
)
maplock
;
pxd
=
pxdlistlock
->
xdlist
;
for
(
n
=
0
;
n
<
pxdlistlock
->
count
;
n
++
,
pxd
++
)
{
xaddr
=
addressPXD
(
pxd
);
...
...
@@ -2502,7 +2512,7 @@ void txFreeMap(struct inode *ip,
*/
if
(
maptype
==
COMMIT_PWMAP
||
maptype
==
COMMIT_WMAP
)
{
if
(
maplock
->
flag
&
mlckFREEXADLIST
)
{
xadlistlock
=
(
xdlistlock_t
*
)
maplock
;
xadlistlock
=
(
struct
xdlistlock
*
)
maplock
;
xad
=
xadlistlock
->
xdlist
;
for
(
n
=
0
;
n
<
xadlistlock
->
count
;
n
++
,
xad
++
)
{
xaddr
=
addressXAD
(
xad
);
...
...
@@ -2514,7 +2524,7 @@ void txFreeMap(struct inode *ip,
(
ulong
)
xaddr
,
xlen
));
}
}
else
if
(
maplock
->
flag
&
mlckFREEPXD
)
{
pxdlock
=
(
pxdlock_t
*
)
maplock
;
pxdlock
=
(
struct
pxd_lock
*
)
maplock
;
xaddr
=
addressPXD
(
&
pxdlock
->
pxd
);
xlen
=
lengthPXD
(
&
pxdlock
->
pxd
);
dbFree
(
ip
,
xaddr
,
(
s64
)
xlen
);
...
...
@@ -2523,7 +2533,7 @@ void txFreeMap(struct inode *ip,
(
ulong
)
xaddr
,
xlen
));
}
else
{
/* (maplock->flag & mlckFREEPXDLIST) */
pxdlistlock
=
(
xdlistlock_t
*
)
maplock
;
pxdlistlock
=
(
struct
xdlistlock
*
)
maplock
;
pxd
=
pxdlistlock
->
xdlist
;
for
(
n
=
0
;
n
<
pxdlistlock
->
count
;
n
++
,
pxd
++
)
{
xaddr
=
addressPXD
(
pxd
);
...
...
@@ -2546,13 +2556,13 @@ void txFreeMap(struct inode *ip,
void
txFreelock
(
struct
inode
*
ip
)
{
struct
jfs_inode_info
*
jfs_ip
=
JFS_IP
(
ip
);
tlock_t
*
xtlck
,
*
tlck
;
struct
tlock
*
xtlck
,
*
tlck
;
lid_t
xlid
=
0
,
lid
;
if
(
!
jfs_ip
->
atlhead
)
return
;
xtlck
=
(
tlock_t
*
)
&
jfs_ip
->
atlhead
;
xtlck
=
(
struct
tlock
*
)
&
jfs_ip
->
atlhead
;
while
((
lid
=
xtlck
->
next
))
{
tlck
=
lid_to_tlock
(
lid
);
...
...
@@ -2593,8 +2603,8 @@ void txFreelock(struct inode *ip)
void
txAbort
(
tid_t
tid
,
int
dirty
)
{
lid_t
lid
,
next
;
metapage_t
*
mp
;
tblock_t
*
tblk
=
tid_to_tblock
(
tid
);
struct
metapage
*
mp
;
struct
tblock
*
tblk
=
tid_to_tblock
(
tid
);
jEVENT
(
1
,
(
"txAbort: tid:%d dirty:0x%x
\n
"
,
tid
,
dirty
));
...
...
@@ -2651,12 +2661,12 @@ void txAbort(tid_t tid, int dirty)
* log age of page-frames in memory for which caller has
* are reset to 0 (to avoid logwarap).
*/
void
txAbortCommit
(
commit_
t
*
cd
,
int
exval
)
void
txAbortCommit
(
struct
commi
t
*
cd
,
int
exval
)
{
tblock_t
*
tblk
;
struct
tblock
*
tblk
;
tid_t
tid
;
lid_t
lid
,
next
;
metapage_t
*
mp
;
struct
metapage
*
mp
;
assert
(
exval
==
EIO
||
exval
==
ENOMEM
);
jEVENT
(
1
,
(
"txAbortCommit: cd:0x%p
\n
"
,
cd
));
...
...
@@ -2706,9 +2716,9 @@ void txAbortCommit(commit_t * cd, int exval)
* allocation maps are updated in order. For synchronous transactions,
* let the user thread finish processing after txUpdateMap() is called.
*/
void
txLazyCommit
(
tblock_t
*
tblk
)
void
txLazyCommit
(
struct
tblock
*
tblk
)
{
log_t
*
log
;
struct
jfs_log
*
log
;
while
(((
tblk
->
flag
&
tblkGC_READY
)
==
0
)
&&
((
tblk
->
flag
&
tblkGC_UNLOCKED
)
==
0
))
{
...
...
@@ -2723,7 +2733,7 @@ void txLazyCommit(tblock_t * tblk)
txUpdateMap
(
tblk
);
log
=
(
log_t
*
)
JFS_SBI
(
tblk
->
sb
)
->
log
;
log
=
(
struct
jfs_log
*
)
JFS_SBI
(
tblk
->
sb
)
->
log
;
spin_lock_irq
(
&
log
->
gclock
);
// LOGGC_LOCK
...
...
@@ -2756,7 +2766,7 @@ void txLazyCommit(tblock_t * tblk)
int
jfs_lazycommit
(
void
*
arg
)
{
int
WorkDone
;
tblock_t
*
tblk
;
struct
tblock
*
tblk
;
unsigned
long
flags
;
lock_kernel
();
...
...
@@ -2831,7 +2841,7 @@ int jfs_lazycommit(void *arg)
return
0
;
}
void
txLazyUnlock
(
tblock_t
*
tblk
)
void
txLazyUnlock
(
struct
tblock
*
tblk
)
{
unsigned
long
flags
;
...
...
@@ -2847,9 +2857,9 @@ void txLazyUnlock(tblock_t * tblk)
wake_up
(
&
jfs_commit_thread_wait
);
}
static
void
LogSyncRelease
(
metapage_t
*
mp
)
static
void
LogSyncRelease
(
struct
metapage
*
mp
)
{
log_t
*
log
=
mp
->
log
;
struct
jfs_log
*
log
=
mp
->
log
;
assert
(
atomic_read
(
&
mp
->
nohomeok
));
assert
(
log
);
...
...
@@ -2885,7 +2895,7 @@ void txQuiesce(struct super_block *sb)
{
struct
inode
*
ip
;
struct
jfs_inode_info
*
jfs_ip
;
log_t
*
log
=
JFS_SBI
(
sb
)
->
log
;
struct
jfs_log
*
log
=
JFS_SBI
(
sb
)
->
log
;
int
rc
;
tid_t
tid
;
...
...
@@ -2936,7 +2946,7 @@ void txQuiesce(struct super_block *sb)
*/
void
txResume
(
struct
super_block
*
sb
)
{
log_t
*
log
=
JFS_SBI
(
sb
)
->
log
;
struct
jfs_log
*
log
=
JFS_SBI
(
sb
)
->
log
;
clear_bit
(
log_QUIESCE
,
&
log
->
flag
);
TXN_WAKEUP
(
&
log
->
syncwait
);
...
...
fs/jfs/jfs_txnmgr.h
View file @
8916919b
...
...
@@ -30,9 +30,9 @@
/*
* transaction block
*/
typedef
struct
tblock
{
struct
tblock
{
/*
* tblock
_t
and jbuf_t common area: struct logsyncblk
* tblock and jbuf_t common area: struct logsyncblk
*
* the following 5 fields are the same as struct logsyncblk
* which is common to tblock and jbuf to form logsynclist
...
...
@@ -44,28 +44,26 @@ typedef struct tblock {
struct
list_head
synclist
;
/* logsynclist link */
/* lock management */
struct
super_block
*
sb
;
/*
4:
super block */
lid_t
next
;
/*
2:
index of first tlock of tid */
lid_t
last
;
/*
2:
index of last tlock of tid */
wait_queue_head_t
waitor
;
/*
4:
tids waiting on this tid */
struct
super_block
*
sb
;
/* super block */
lid_t
next
;
/* index of first tlock of tid */
lid_t
last
;
/* index of last tlock of tid */
wait_queue_head_t
waitor
;
/* tids waiting on this tid */
/* log management */
u32
logtid
;
/* 4: log transaction id */
/* (32) */
u32
logtid
;
/* log transaction id */
/* commit management */
struct
tblock
*
cqnext
;
/*
4:
commit queue link */
s32
clsn
;
/*
4:
commit lsn */
struct
lbuf
*
bp
;
/* 4: */
s32
pn
;
/*
4:
commit record log page number */
s32
eor
;
/*
4:
commit record eor */
wait_queue_head_t
gcwait
;
/*
4:
group commit event list:
struct
tblock
*
cqnext
;
/* commit queue link */
s32
clsn
;
/* commit lsn */
struct
lbuf
*
bp
;
s32
pn
;
/* commit record log page number */
s32
eor
;
/* commit record eor */
wait_queue_head_t
gcwait
;
/* group commit event list:
* ready transactions wait on this
* event for group commit completion.
*/
struct
inode
*
ip
;
/* 4: inode being created or deleted */
s32
rsrvd
;
/* 4: */
}
tblock_t
;
/* (64) */
struct
inode
*
ip
;
/* inode being created or deleted */
};
extern
struct
tblock
*
TxBlock
;
/* transaction block table */
...
...
@@ -90,7 +88,7 @@ extern struct tblock *TxBlock; /* transaction block table */
/*
* transaction lock
*/
typedef
struct
tlock
{
struct
tlock
{
lid_t
next
;
/* index next lockword on tid locklist
* next lockword on freelist
*/
...
...
@@ -104,7 +102,7 @@ typedef struct tlock {
/* (16) */
s16
lock
[
24
];
/* 48: overlay area */
}
tlock_t
;
/* (64) */
}
;
/* (64) */
extern
struct
tlock
*
TxLock
;
/* transaction lock table */
...
...
@@ -153,18 +151,18 @@ extern struct tlock *TxLock; /* transaction lock table */
/*
* linelock for lmLog()
*
* note: linelock
_t
and its variations are overlaid
* note: linelock and its variations are overlaid
* at tlock.lock: watch for alignment;
*/
typedef
struct
{
struct
lv
{
u8
offset
;
/* 1: */
u8
length
;
/* 1: */
}
lv_t
;
/* (2) */
};
/* (2) */
#define TLOCKSHORT 20
#define TLOCKLONG 28
typedef
struct
{
struct
linelock
{
u16
next
;
/* 2: next linelock */
s8
maxcnt
;
/* 1: */
...
...
@@ -175,13 +173,12 @@ typedef struct {
u8
l2linesize
;
/* 1: log2 of linesize */
/* (8) */
lv_t
lv
[
20
];
/* 40: */
}
linelock_t
;
/* (48) */
struct
lv
lv
[
20
];
/* 40: */
}
;
/* (48) */
#define dtlock_t linelock_t
#define itlock_t linelock_t
#define dt_lock linelock
typedef
struct
{
struct
xtlock
{
u16
next
;
/* 2: */
s8
maxcnt
;
/* 1: */
...
...
@@ -192,27 +189,27 @@ typedef struct {
u8
l2linesize
;
/* 1: log2 of linesize */
/* (8) */
lv_t
header
;
/* 2: */
lv_t
lwm
;
/* 2: low water mark */
lv_t
hwm
;
/* 2: high water mark */
lv_t
twm
;
/* 2: */
struct
lv
header
;
/* 2: */
struct
lv
lwm
;
/* 2: low water mark */
struct
lv
hwm
;
/* 2: high water mark */
struct
lv
twm
;
/* 2: */
/* (16) */
s32
pxdlock
[
8
];
/* 32: */
}
xtlock_t
;
/* (48) */
}
;
/* (48) */
/*
* maplock for txUpdateMap()
*
* note: maplock
_t
and its variations are overlaid
* note: maplock and its variations are overlaid
* at tlock.lock/linelock: watch for alignment;
* N.B. next field may be set by linelock, and should not
* be modified by maplock;
* N.B. index of the first pxdlock specifies index of next
* free maplock (i.e., number of maplock) in the tlock;
*/
typedef
struct
{
struct
maplock
{
u16
next
;
/* 2: */
u8
maxcnt
;
/* 2: */
...
...
@@ -224,7 +221,7 @@ typedef struct {
/* (8) */
pxd_t
pxd
;
/* 8: */
}
maplock_t
;
/* (16): */
}
;
/* (16): */
/* maplock flag */
#define mlckALLOC 0x00f0
...
...
@@ -238,9 +235,9 @@ typedef struct {
#define mlckFREEXAD 0x0002
#define mlckFREEPXD 0x0001
#define pxd
lock_t maplock_t
#define pxd
_lock maplock
typedef
struct
{
struct
xdlistlock
{
u16
next
;
/* 2: */
u8
maxcnt
;
/* 2: */
...
...
@@ -252,14 +249,14 @@ typedef struct {
/* (8) */
/*
* We need xdlist
lock_t
to be 64 bits (8 bytes), regardless of
* We need xdlist to be 64 bits (8 bytes), regardless of
* whether void * is 32 or 64 bits
*/
union
{
void
*
_xdlist
;
/* pxd/xad list */
s64
pad
;
/* 8: Force 64-bit xdlist size */
}
union64
;
}
xdlistlock_t
;
/* (16): */
}
;
/* (16): */
#define xdlist union64._xdlist
...
...
@@ -268,26 +265,26 @@ typedef struct {
*
* parameter to the commit manager routines
*/
typedef
struct
commit
{
tid_t
tid
;
/*
4:
tid = index of tblock */
int
flag
;
/*
4:
flags */
log_t
*
log
;
/* 4:
log */
struct
super_block
*
sb
;
/*
4:
superblock */
struct
commit
{
tid_t
tid
;
/* tid = index of tblock */
int
flag
;
/* flags */
struct
jfs_log
*
log
;
/*
log */
struct
super_block
*
sb
;
/* superblock */
int
nip
;
/* 4: number of entries in iplist */
struct
inode
**
iplist
;
/* 4: list of pointers to inodes */
/* (32) */
int
nip
;
/* number of entries in iplist */
struct
inode
**
iplist
;
/* list of pointers to inodes */
/* log record descriptor on 64-bit boundary */
lrd_t
lrd
;
/* : log record descriptor */
}
commit_t
;
struct
lrd
lrd
;
/* : log record descriptor */
};
/*
* external declarations
*/
extern
tlock_t
*
txLock
(
tid_t
tid
,
struct
inode
*
ip
,
struct
metapage
*
mp
,
int
flag
);
extern
struct
tlock
*
txLock
(
tid_t
tid
,
struct
inode
*
ip
,
struct
metapage
*
mp
,
int
flag
);
extern
tlock_t
*
txMaplock
(
tid_t
tid
,
struct
inode
*
ip
,
int
flag
);
extern
struct
tlock
*
txMaplock
(
tid_t
tid
,
struct
inode
*
ip
,
int
flag
);
extern
int
txCommit
(
tid_t
tid
,
int
nip
,
struct
inode
**
iplist
,
int
flag
);
...
...
@@ -299,16 +296,17 @@ extern void txEnd(tid_t tid);
extern
void
txAbort
(
tid_t
tid
,
int
dirty
);
extern
linelock_t
*
txLinelock
(
linelock_t
*
tlock
);
extern
struct
linelock
*
txLinelock
(
struct
linelock
*
tlock
);
extern
void
txFreeMap
(
struct
inode
*
ip
,
maplock_t
*
maplock
,
tblock_t
*
tblk
,
int
maptype
);
extern
void
txFreeMap
(
struct
inode
*
ip
,
struct
maplock
*
maplock
,
struct
tblock
*
tblk
,
int
maptype
);
extern
void
txEA
(
tid_t
tid
,
struct
inode
*
ip
,
dxd_t
*
oldea
,
dxd_t
*
newea
);
extern
void
txFreelock
(
struct
inode
*
ip
);
extern
int
lmLog
(
log_t
*
log
,
tblock_t
*
tblk
,
lrd_t
*
lrd
,
tlock_t
*
tlck
);
extern
int
lmLog
(
struct
jfs_log
*
log
,
struct
tblock
*
tblk
,
struct
lrd
*
lrd
,
struct
tlock
*
tlck
);
extern
void
txQuiesce
(
struct
super_block
*
sb
);
...
...
fs/jfs/jfs_types.h
View file @
8916919b
...
...
@@ -81,11 +81,11 @@ typedef struct {
( ((s64)((lxd)->off1)) << 32 | (lxd)->off2 )
/* lxd list */
typedef
struc
t
{
struct
lxdlis
t
{
s16
maxnlxd
;
s16
nlxd
;
lxd_t
*
lxd
;
}
lxdlist_t
;
};
/*
* physical xd (pxd)
...
...
@@ -111,11 +111,11 @@ typedef struct {
( ((s64)((pxd)->addr1)) << 32 | __le32_to_cpu((pxd)->addr2))
/* pxd list */
typedef
struc
t
{
struct
pxdlis
t
{
s16
maxnpxd
;
s16
npxd
;
pxd_t
pxd
[
8
];
}
pxdlist_t
;
};
/*
...
...
@@ -150,16 +150,16 @@ typedef struct {
/*
* directory entry argument
*/
typedef
struct
component_name
{
struct
component_name
{
int
namlen
;
wchar_t
*
name
;
}
component_t
;
};
/*
* DASD limit information - stored in directory inode
*/
typedef
struct
dasd
{
struct
dasd
{
u8
thresh
;
/* Alert Threshold (in percent) */
u8
delta
;
/* Alert Threshold delta (in percent) */
u8
rsrvd1
;
...
...
@@ -168,7 +168,7 @@ typedef struct dasd {
u8
rsrvd2
[
3
];
u8
used_hi
;
/* DASD usage (in logical blocks) */
u32
used_lo
;
/* DASD usage (in logical blocks) */
}
dasd_t
;
};
#define DASDLIMIT(dasdp) \
(((u64)((dasdp)->limit_hi) << 32) + __le32_to_cpu((dasdp)->limit_lo))
...
...
fs/jfs/jfs_umount.c
View file @
8916919b
...
...
@@ -55,7 +55,7 @@ int jfs_umount(struct super_block *sb)
struct
inode
*
ipimap
=
sbi
->
ipimap
;
struct
inode
*
ipaimap
=
sbi
->
ipaimap
;
struct
inode
*
ipaimap2
=
sbi
->
ipaimap2
;
log_t
*
log
;
struct
jfs_log
*
log
;
int
rc
=
0
;
jFYI
(
1
,
(
"
\n
UnMount JFS: sb:0x%p
\n
"
,
sb
));
...
...
@@ -143,7 +143,7 @@ int jfs_umount_rw(struct super_block *sb)
{
struct
address_space
*
bdev_mapping
=
sb
->
s_bdev
->
bd_inode
->
i_mapping
;
struct
jfs_sb_info
*
sbi
=
JFS_SBI
(
sb
);
log_t
*
log
=
sbi
->
log
;
struct
jfs_log
*
log
=
sbi
->
log
;
if
(
!
log
)
return
0
;
...
...
fs/jfs/jfs_unicode.c
View file @
8916919b
...
...
@@ -89,7 +89,7 @@ int jfs_strtoUCS(wchar_t * to,
* FUNCTION: Allocate and translate to unicode string
*
*/
int
get_UCSname
(
component_t
*
uniName
,
struct
dentry
*
dentry
,
int
get_UCSname
(
struct
component_name
*
uniName
,
struct
dentry
*
dentry
,
struct
nls_table
*
nls_tab
)
{
int
length
=
dentry
->
d_name
.
len
;
...
...
fs/jfs/jfs_unicode.h
View file @
8916919b
...
...
@@ -30,7 +30,8 @@ typedef struct {
extern
signed
char
UniUpperTable
[
512
];
extern
UNICASERANGE
UniUpperRange
[];
extern
int
get_UCSname
(
component_t
*
,
struct
dentry
*
,
struct
nls_table
*
);
extern
int
get_UCSname
(
struct
component_name
*
,
struct
dentry
*
,
struct
nls_table
*
);
extern
int
jfs_strfromUCS_le
(
char
*
,
const
wchar_t
*
,
int
,
struct
nls_table
*
);
#define free_UCSname(COMP) kfree((COMP)->name)
...
...
fs/jfs/jfs_xtree.c
View file @
8916919b
...
...
@@ -84,15 +84,15 @@
#define XT_GETSEARCH(IP, LEAF, BN, MP, P, INDEX) \
BT_GETSEARCH(IP, LEAF, BN, MP, xtpage_t, P, INDEX, i_xtroot)
/* xtree entry parameter descriptor */
typedef
struc
t
{
metapage_t
*
mp
;
struct
xtspli
t
{
struct
metapage
*
mp
;
s16
index
;
u8
flag
;
s64
off
;
s64
addr
;
int
len
;
pxdlist_
t
*
pxdlist
;
}
xtsplit_t
;
struct
pxdlis
t
*
pxdlist
;
};
/*
...
...
@@ -111,29 +111,25 @@ static struct {
* forward references
*/
static
int
xtSearch
(
struct
inode
*
ip
,
s64
xoff
,
int
*
cmpp
,
btstack_t
*
btstack
,
int
flag
);
s64
xoff
,
int
*
cmpp
,
struct
btstack
*
btstack
,
int
flag
);
static
int
xtSplitUp
(
tid_t
tid
,
struct
inode
*
ip
,
xtsplit_t
*
split
,
btstack_t
*
btstack
);
struct
xtsplit
*
split
,
struct
btstack
*
btstack
);
static
int
xtSplitPage
(
tid_t
tid
,
struct
inode
*
ip
,
xtsplit_t
*
split
,
metapage_t
**
rmpp
,
s64
*
rbnp
);
static
int
xtSplitPage
(
tid_t
tid
,
struct
inode
*
ip
,
struct
xtsplit
*
split
,
struct
metapage
**
rmpp
,
s64
*
rbnp
);
static
int
xtSplitRoot
(
tid_t
tid
,
struct
inode
*
ip
,
xtsplit_t
*
split
,
metapage_t
**
rmpp
);
static
int
xtSplitRoot
(
tid_t
tid
,
struct
inode
*
ip
,
struct
xtsplit
*
split
,
struct
metapage
**
rmpp
);
#ifdef _STILL_TO_PORT
static
int
xtDeleteUp
(
tid_t
tid
,
struct
inode
*
ip
,
metapage_t
*
fmp
,
xtpage_t
*
fp
,
btstack_t
*
btstack
);
static
int
xtDeleteUp
(
tid_t
tid
,
struct
inode
*
ip
,
struct
metapage
*
fmp
,
xtpage_t
*
fp
,
struct
btstack
*
btstack
);
static
int
xtSearchNode
(
struct
inode
*
ip
,
xad_t
*
xad
,
int
*
cmpp
,
btstack_t
*
btstack
,
int
flag
);
int
*
cmpp
,
struct
btstack
*
btstack
,
int
flag
);
static
int
xtRelink
(
tid_t
tid
,
struct
inode
*
ip
,
xtpage_t
*
fp
);
#endif
/* _STILL_TO_PORT */
...
...
@@ -155,10 +151,10 @@ int xtLookup(struct inode *ip, s64 lstart,
s64
llen
,
int
*
pflag
,
s64
*
paddr
,
s32
*
plen
,
int
no_check
)
{
int
rc
=
0
;
btstack_t
btstack
;
struct
btstack
btstack
;
int
cmp
;
s64
bn
;
metapage_t
*
mp
;
struct
metapage
*
mp
;
xtpage_t
*
p
;
int
index
;
xad_t
*
xad
;
...
...
@@ -240,8 +236,8 @@ int xtLookup(struct inode *ip, s64 lstart,
*
* parameter:
* struct inode *ip,
*
lxdlist_t
*lxdlist, lxd list (in)
*
xadlist_t
*xadlist, xad list (in/out)
*
struct lxdlist
*lxdlist, lxd list (in)
*
struct xadlist
*xadlist, xad list (in/out)
* int flag)
*
* coverage of lxd by xad under assumption of
...
...
@@ -256,15 +252,14 @@ int xtLookup(struct inode *ip, s64 lstart,
* required to cover the last byte;
* the extent backing a page is fully contained within an xad;
*/
int
xtLookupList
(
struct
inode
*
ip
,
lxdlist_t
*
lxdlist
,
/* lxd list (in) */
xadlist_t
*
xadlist
,
/* xad list (in/out) */
int
flag
)
int
xtLookupList
(
struct
inode
*
ip
,
struct
lxdlist
*
lxdlist
,
struct
xadlist
*
xadlist
,
int
flag
)
{
int
rc
=
0
;
btstack_t
btstack
;
struct
btstack
btstack
;
int
cmp
;
s64
bn
;
metapage_t
*
mp
;
struct
metapage
*
mp
;
xtpage_t
*
p
;
int
index
;
lxd_t
*
lxd
;
...
...
@@ -509,17 +504,17 @@ int xtLookupList(struct inode *ip, lxdlist_t * lxdlist, /* lxd list (in) */
* the page containing the entry is pinned at exit.
*/
static
int
xtSearch
(
struct
inode
*
ip
,
s64
xoff
,
/* offset of extent */
int
*
cmpp
,
btstack_t
*
btstack
,
int
flag
)
int
*
cmpp
,
struct
btstack
*
btstack
,
int
flag
)
{
struct
jfs_inode_info
*
jfs_ip
=
JFS_IP
(
ip
);
int
rc
=
0
;
int
cmp
=
1
;
/* init for empty page */
s64
bn
;
/* block number */
metapage_t
*
mp
;
/* page buffer */
struct
metapage
*
mp
;
/* page buffer */
xtpage_t
*
p
;
/* page */
xad_t
*
xad
;
int
base
,
index
,
lim
,
btindex
;
btframe_t
*
btsp
;
struct
btframe
*
btsp
;
int
nsplit
=
0
;
/* number of pages to split */
s64
t64
;
...
...
@@ -796,16 +791,16 @@ int xtInsert(tid_t tid, /* transaction id */
{
int
rc
=
0
;
s64
xaddr
,
hint
;
metapage_t
*
mp
;
/* meta-page buffer */
struct
metapage
*
mp
;
/* meta-page buffer */
xtpage_t
*
p
;
/* base B+-tree index page */
s64
bn
;
int
index
,
nextindex
;
btstack_t
btstack
;
/* traverse stack */
xtsplit_
t
split
;
/* split information */
struct
btstack
btstack
;
/* traverse stack */
struct
xtspli
t
split
;
/* split information */
xad_t
*
xad
;
int
cmp
;
tlock_t
*
tlck
;
xtlock_t
*
xtlck
;
struct
tlock
*
tlck
;
struct
xtlock
*
xtlck
;
jFYI
(
1
,
(
"xtInsert: nxoff:0x%lx nxlen:0x%x
\n
"
,
(
ulong
)
xoff
,
xlen
));
...
...
@@ -903,7 +898,7 @@ int xtInsert(tid_t tid, /* transaction id */
/* Don't log it if there are no links to the file */
if
(
!
test_cflag
(
COMMIT_Nolink
,
ip
))
{
tlck
=
txLock
(
tid
,
ip
,
mp
,
tlckXTREE
|
tlckGROW
);
xtlck
=
(
xtlock_t
*
)
&
tlck
->
lock
;
xtlck
=
(
struct
xtlock
*
)
&
tlck
->
lock
;
xtlck
->
lwm
.
offset
=
(
xtlck
->
lwm
.
offset
)
?
min
(
index
,
(
int
)
xtlck
->
lwm
.
offset
)
:
index
;
...
...
@@ -937,27 +932,27 @@ int xtInsert(tid_t tid, /* transaction id */
*/
static
int
xtSplitUp
(
tid_t
tid
,
struct
inode
*
ip
,
xtsplit_t
*
split
,
btstack_t
*
btstack
)
struct
inode
*
ip
,
struct
xtsplit
*
split
,
struct
btstack
*
btstack
)
{
int
rc
=
0
;
metapage_t
*
smp
;
struct
metapage
*
smp
;
xtpage_t
*
sp
;
/* split page */
metapage_t
*
rmp
;
struct
metapage
*
rmp
;
s64
rbn
;
/* new right page block number */
metapage_t
*
rcmp
;
struct
metapage
*
rcmp
;
xtpage_t
*
rcp
;
/* right child page */
s64
rcbn
;
/* right child page block number */
int
skip
;
/* index of entry of insertion */
int
nextindex
;
/* next available entry index of p */
btframe_t
*
parent
;
/* parent page entry on traverse stack */
struct
btframe
*
parent
;
/* parent page entry on traverse stack */
xad_t
*
xad
;
s64
xaddr
;
int
xlen
;
int
nsplit
;
/* number of pages split */
pxdlist_
t
pxdlist
;
struct
pxdlis
t
pxdlist
;
pxd_t
*
pxd
;
tlock_t
*
tlck
;
xtlock_t
*
xtlck
;
struct
tlock
*
tlck
;
struct
xtlock
*
xtlck
;
smp
=
split
->
mp
;
sp
=
XT_PAGE
(
ip
,
smp
);
...
...
@@ -995,7 +990,7 @@ xtSplitUp(tid_t tid,
/* Don't log it if there are no links to the file */
if
(
!
test_cflag
(
COMMIT_Nolink
,
ip
))
{
tlck
=
txLock
(
tid
,
ip
,
smp
,
tlckXTREE
|
tlckGROW
);
xtlck
=
(
xtlock_t
*
)
&
tlck
->
lock
;
xtlck
=
(
struct
xtlock
*
)
&
tlck
->
lock
;
xtlck
->
lwm
.
offset
=
(
xtlck
->
lwm
.
offset
)
?
min
(
skip
,
(
int
)
xtlck
->
lwm
.
offset
)
:
skip
;
xtlck
->
lwm
.
length
=
...
...
@@ -1163,7 +1158,7 @@ xtSplitUp(tid_t tid,
if
(
!
test_cflag
(
COMMIT_Nolink
,
ip
))
{
tlck
=
txLock
(
tid
,
ip
,
smp
,
tlckXTREE
|
tlckGROW
);
xtlck
=
(
xtlock_t
*
)
&
tlck
->
lock
;
xtlck
=
(
struct
xtlock
*
)
&
tlck
->
lock
;
xtlck
->
lwm
.
offset
=
(
xtlck
->
lwm
.
offset
)
?
min
(
skip
,
(
int
)
xtlck
->
lwm
.
offset
)
:
skip
;
xtlck
->
lwm
.
length
=
...
...
@@ -1210,8 +1205,8 @@ xtSplitUp(tid_t tid,
* parameter:
* int tid,
* struct inode *ip,
*
xtsplit_t
*split,
*
metapage_t
**rmpp,
*
struct xtsplit
*split,
*
struct metapage
**rmpp,
* u64 *rbnp,
*
* return:
...
...
@@ -1219,23 +1214,23 @@ xtSplitUp(tid_t tid,
*/
static
int
xtSplitPage
(
tid_t
tid
,
struct
inode
*
ip
,
xtsplit_t
*
split
,
metapage_t
**
rmpp
,
s64
*
rbnp
)
struct
xtsplit
*
split
,
struct
metapage
**
rmpp
,
s64
*
rbnp
)
{
int
rc
=
0
;
metapage_t
*
smp
;
struct
metapage
*
smp
;
xtpage_t
*
sp
;
metapage_t
*
rmp
;
struct
metapage
*
rmp
;
xtpage_t
*
rp
;
/* new right page allocated */
s64
rbn
;
/* new right page block number */
metapage_t
*
mp
;
struct
metapage
*
mp
;
xtpage_t
*
p
;
s64
nextbn
;
int
skip
,
maxentry
,
middle
,
righthalf
,
n
;
xad_t
*
xad
;
pxdlist_
t
*
pxdlist
;
struct
pxdlis
t
*
pxdlist
;
pxd_t
*
pxd
;
tlock_t
*
tlck
;
xtlock_t
*
sxtlck
=
0
,
*
rxtlck
=
0
;
struct
tlock
*
tlck
;
struct
xtlock
*
sxtlck
=
0
,
*
rxtlck
=
0
;
smp
=
split
->
mp
;
sp
=
XT_PAGE
(
ip
,
smp
);
...
...
@@ -1274,13 +1269,13 @@ xtSplitPage(tid_t tid, struct inode *ip,
* acquire a transaction lock on the new right page;
*/
tlck
=
txLock
(
tid
,
ip
,
rmp
,
tlckXTREE
|
tlckNEW
);
rxtlck
=
(
xtlock_t
*
)
&
tlck
->
lock
;
rxtlck
=
(
struct
xtlock
*
)
&
tlck
->
lock
;
rxtlck
->
lwm
.
offset
=
XTENTRYSTART
;
/*
* acquire a transaction lock on the split page
*/
tlck
=
txLock
(
tid
,
ip
,
smp
,
tlckXTREE
|
tlckGROW
);
sxtlck
=
(
xtlock_t
*
)
&
tlck
->
lock
;
sxtlck
=
(
struct
xtlock
*
)
&
tlck
->
lock
;
}
/*
...
...
@@ -1465,26 +1460,26 @@ xtSplitPage(tid_t tid, struct inode *ip,
* parameter:
* int tid,
* struct inode *ip,
*
xtsplit_t
*split,
*
metapage_t
**rmpp)
*
struct xtsplit
*split,
*
struct metapage
**rmpp)
*
* return:
* Pointer to page in which to insert or NULL on error.
*/
static
int
xtSplitRoot
(
tid_t
tid
,
struct
inode
*
ip
,
xtsplit_t
*
split
,
metapage_t
**
rmpp
)
struct
inode
*
ip
,
struct
xtsplit
*
split
,
struct
metapage
**
rmpp
)
{
xtpage_t
*
sp
;
metapage_t
*
rmp
;
struct
metapage
*
rmp
;
xtpage_t
*
rp
;
s64
rbn
;
int
skip
,
nextindex
;
xad_t
*
xad
;
pxd_t
*
pxd
;
pxdlist_
t
*
pxdlist
;
tlock_t
*
tlck
;
xtlock_t
*
xtlck
;
struct
pxdlis
t
*
pxdlist
;
struct
tlock
*
tlck
;
struct
xtlock
*
xtlck
;
sp
=
&
JFS_IP
(
ip
)
->
i_xtroot
;
...
...
@@ -1546,7 +1541,7 @@ xtSplitRoot(tid_t tid,
if
(
!
test_cflag
(
COMMIT_Nolink
,
ip
))
{
tlck
=
txLock
(
tid
,
ip
,
rmp
,
tlckXTREE
|
tlckNEW
);
xtlck
=
(
xtlock_t
*
)
&
tlck
->
lock
;
xtlck
=
(
struct
xtlock
*
)
&
tlck
->
lock
;
xtlck
->
lwm
.
offset
=
XTENTRYSTART
;
xtlck
->
lwm
.
length
=
le16_to_cpu
(
rp
->
header
.
nextindex
)
-
XTENTRYSTART
;
...
...
@@ -1577,7 +1572,7 @@ xtSplitRoot(tid_t tid,
if
(
!
test_cflag
(
COMMIT_Nolink
,
ip
))
{
tlck
=
txLock
(
tid
,
ip
,
split
->
mp
,
tlckXTREE
|
tlckGROW
);
xtlck
=
(
xtlock_t
*
)
&
tlck
->
lock
;
xtlck
=
(
struct
xtlock
*
)
&
tlck
->
lock
;
xtlck
->
lwm
.
offset
=
XTENTRYSTART
;
xtlck
->
lwm
.
length
=
1
;
}
...
...
@@ -1608,16 +1603,16 @@ int xtExtend(tid_t tid, /* transaction id */
{
int
rc
=
0
;
int
cmp
;
metapage_t
*
mp
;
/* meta-page buffer */
struct
metapage
*
mp
;
/* meta-page buffer */
xtpage_t
*
p
;
/* base B+-tree index page */
s64
bn
;
int
index
,
nextindex
,
len
;
btstack_t
btstack
;
/* traverse stack */
xtsplit_
t
split
;
/* split information */
struct
btstack
btstack
;
/* traverse stack */
struct
xtspli
t
split
;
/* split information */
xad_t
*
xad
;
s64
xaddr
;
tlock_t
*
tlck
;
xtlock_t
*
xtlck
=
0
;
struct
tlock
*
tlck
;
struct
xtlock
*
xtlck
=
0
;
int
rootsplit
=
0
;
jFYI
(
1
,
...
...
@@ -1646,7 +1641,7 @@ int xtExtend(tid_t tid, /* transaction id */
BT_MARK_DIRTY
(
mp
,
ip
);
if
(
!
test_cflag
(
COMMIT_Nolink
,
ip
))
{
tlck
=
txLock
(
tid
,
ip
,
mp
,
tlckXTREE
|
tlckGROW
);
xtlck
=
(
xtlock_t
*
)
&
tlck
->
lock
;
xtlck
=
(
struct
xtlock
*
)
&
tlck
->
lock
;
}
/* extend will overflow extent ? */
...
...
@@ -1701,7 +1696,7 @@ int xtExtend(tid_t tid, /* transaction id */
tlck
=
txLock
(
tid
,
ip
,
mp
,
tlckXTREE
|
tlckGROW
);
xtlck
=
(
xtlock_t
*
)
&
tlck
->
lock
;
xtlck
=
(
struct
xtlock
*
)
&
tlck
->
lock
;
}
}
}
else
...
...
@@ -1768,17 +1763,17 @@ int xtTailgate(tid_t tid, /* transaction id */
{
int
rc
=
0
;
int
cmp
;
metapage_t
*
mp
;
/* meta-page buffer */
struct
metapage
*
mp
;
/* meta-page buffer */
xtpage_t
*
p
;
/* base B+-tree index page */
s64
bn
;
int
index
,
nextindex
,
llen
,
rlen
;
btstack_t
btstack
;
/* traverse stack */
xtsplit_
t
split
;
/* split information */
struct
btstack
btstack
;
/* traverse stack */
struct
xtspli
t
split
;
/* split information */
xad_t
*
xad
;
tlock_t
*
tlck
;
xtlock_t
*
xtlck
=
0
;
tlock_t
*
mtlck
;
maplock_t
*
pxdlock
;
struct
tlock
*
tlck
;
struct
xtlock
*
xtlck
=
0
;
struct
tlock
*
mtlck
;
struct
maplock
*
pxdlock
;
int
rootsplit
=
0
;
/*
...
...
@@ -1804,7 +1799,7 @@ printf("xtTailgate: nxoff:0x%lx nxlen:0x%x nxaddr:0x%lx\n",
*/
if
(
!
test_cflag
(
COMMIT_Nolink
,
ip
))
{
tlck
=
txLock
(
tid
,
ip
,
mp
,
tlckXTREE
|
tlckGROW
);
xtlck
=
(
xtlock_t
*
)
&
tlck
->
lock
;
xtlck
=
(
struct
xtlock
*
)
&
tlck
->
lock
;
}
/* completely replace extent ? */
...
...
@@ -1859,7 +1854,7 @@ printf("xtTailgate: xoff:0x%lx xlen:0x%x xaddr:0x%lx\n",
tlck
=
txLock
(
tid
,
ip
,
mp
,
tlckXTREE
|
tlckGROW
);
xtlck
=
(
xtlock_t
*
)
&
tlck
->
lock
;
xtlck
=
(
struct
xtlock
*
)
&
tlck
->
lock
;
}
}
}
else
...
...
@@ -1892,7 +1887,7 @@ printf("xtTailgate: xoff:0x%lx xlen:0x%x xaddr:0x%lx\n",
/* free from PWMAP at commit */
if
(
!
test_cflag
(
COMMIT_Nolink
,
ip
))
{
mtlck
=
txMaplock
(
tid
,
ip
,
tlckMAP
);
pxdlock
=
(
maplock_t
*
)
&
mtlck
->
lock
;
pxdlock
=
(
struct
maplock
*
)
&
mtlck
->
lock
;
pxdlock
->
flag
=
mlckFREEPXD
;
PXDaddress
(
&
pxdlock
->
pxd
,
addressXAD
(
xad
)
+
llen
);
PXDlength
(
&
pxdlock
->
pxd
,
rlen
);
...
...
@@ -1944,19 +1939,19 @@ int xtUpdate(tid_t tid, struct inode *ip, xad_t * nxad)
{
/* new XAD */
int
rc
=
0
;
int
cmp
;
metapage_t
*
mp
;
/* meta-page buffer */
struct
metapage
*
mp
;
/* meta-page buffer */
xtpage_t
*
p
;
/* base B+-tree index page */
s64
bn
;
int
index0
,
index
,
newindex
,
nextindex
;
btstack_t
btstack
;
/* traverse stack */
xtsplit_
t
split
;
/* split information */
struct
btstack
btstack
;
/* traverse stack */
struct
xtspli
t
split
;
/* split information */
xad_t
*
xad
,
*
lxad
,
*
rxad
;
int
xflag
;
s64
nxoff
,
xoff
;
int
nxlen
,
xlen
,
lxlen
,
rxlen
;
s64
nxaddr
,
xaddr
;
tlock_t
*
tlck
;
xtlock_t
*
xtlck
=
0
;
struct
tlock
*
tlck
;
struct
xtlock
*
xtlck
=
0
;
int
rootsplit
=
0
,
newpage
=
0
;
/* there must exist extent to be tailgated */
...
...
@@ -1980,7 +1975,7 @@ printf("xtUpdate: nxflag:0x%x nxoff:0x%lx nxlen:0x%x nxaddr:0x%lx\n",
*/
if
(
!
test_cflag
(
COMMIT_Nolink
,
ip
))
{
tlck
=
txLock
(
tid
,
ip
,
mp
,
tlckXTREE
|
tlckGROW
);
xtlck
=
(
xtlock_t
*
)
&
tlck
->
lock
;
xtlck
=
(
struct
xtlock
*
)
&
tlck
->
lock
;
}
xad
=
&
p
->
xad
[
index0
];
...
...
@@ -2192,7 +2187,7 @@ printf("xtUpdate.updateRight.split p:0x%p\n", p);
tlck
=
txLock
(
tid
,
ip
,
mp
,
tlckXTREE
|
tlckGROW
);
xtlck
=
(
xtlock_t
*
)
&
tlck
->
lock
;
xtlck
=
(
struct
xtlock
*
)
&
tlck
->
lock
;
}
}
}
else
{
...
...
@@ -2255,7 +2250,7 @@ printf("xtUpdate.updateRight.split p:0x%p\n", p);
BT_MARK_DIRTY
(
mp
,
ip
);
if
(
!
test_cflag
(
COMMIT_Nolink
,
ip
))
{
tlck
=
txLock
(
tid
,
ip
,
mp
,
tlckXTREE
|
tlckGROW
);
xtlck
=
(
xtlock_t
*
)
&
tlck
->
lock
;
xtlck
=
(
struct
xtlock
*
)
&
tlck
->
lock
;
}
index0
=
index
=
newindex
;
...
...
@@ -2337,7 +2332,7 @@ printf("xtUpdate.updateLeft.split p:0x%p\n", p);
tlck
=
txLock
(
tid
,
ip
,
mp
,
tlckXTREE
|
tlckGROW
);
xtlck
=
(
xtlock_t
*
)
&
tlck
->
lock
;
xtlck
=
(
struct
xtlock
*
)
&
tlck
->
lock
;
}
}
}
else
...
...
@@ -2397,18 +2392,18 @@ int xtAppend(tid_t tid, /* transaction id */
int
flag
)
{
int
rc
=
0
;
metapage_t
*
mp
;
/* meta-page buffer */
struct
metapage
*
mp
;
/* meta-page buffer */
xtpage_t
*
p
;
/* base B+-tree index page */
s64
bn
,
xaddr
;
int
index
,
nextindex
;
btstack_t
btstack
;
/* traverse stack */
xtsplit_
t
split
;
/* split information */
struct
btstack
btstack
;
/* traverse stack */
struct
xtspli
t
split
;
/* split information */
xad_t
*
xad
;
int
cmp
;
tlock_t
*
tlck
;
xtlock_t
*
xtlck
;
struct
tlock
*
tlck
;
struct
xtlock
*
xtlck
;
int
nsplit
,
nblocks
,
xlen
;
pxdlist_
t
pxdlist
;
struct
pxdlis
t
pxdlist
;
pxd_t
*
pxd
;
xaddr
=
*
xaddrp
;
...
...
@@ -2516,7 +2511,7 @@ int xtAppend(tid_t tid, /* transaction id */
* action: xad insertion/extension;
*/
tlck
=
txLock
(
tid
,
ip
,
mp
,
tlckXTREE
|
tlckGROW
);
xtlck
=
(
xtlock_t
*
)
&
tlck
->
lock
;
xtlck
=
(
struct
xtlock
*
)
&
tlck
->
lock
;
/* insert the new entry: mark the entry NEW */
xad
=
&
p
->
xad
[
index
];
...
...
@@ -2561,14 +2556,14 @@ int xtAppend(tid_t tid, /* transaction id */
int
xtDelete
(
tid_t
tid
,
struct
inode
*
ip
,
s64
xoff
,
s32
xlen
,
int
flag
)
{
int
rc
=
0
;
btstack_t
btstack
;
struct
btstack
btstack
;
int
cmp
;
s64
bn
;
metapage_t
*
mp
;
struct
metapage
*
mp
;
xtpage_t
*
p
;
int
index
,
nextindex
;
tlock_t
*
tlck
;
xtlock_t
*
xtlck
;
struct
tlock
*
tlck
;
struct
xtlock
*
xtlck
;
/*
* find the matching entry; xtSearch() pins the page
...
...
@@ -2603,7 +2598,7 @@ int xtDelete(tid_t tid, struct inode *ip, s64 xoff, s32 xlen, int flag)
* action:xad deletion;
*/
tlck
=
txLock
(
tid
,
ip
,
mp
,
tlckXTREE
);
xtlck
=
(
xtlock_t
*
)
&
tlck
->
lock
;
xtlck
=
(
struct
xtlock
*
)
&
tlck
->
lock
;
xtlck
->
lwm
.
offset
=
(
xtlck
->
lwm
.
offset
)
?
min
(
index
,
xtlck
->
lwm
.
offset
)
:
index
;
...
...
@@ -2630,19 +2625,18 @@ int xtDelete(tid_t tid, struct inode *ip, s64 xoff, s32 xlen, int flag)
* return:
*/
static
int
xtDeleteUp
(
tid_t
tid
,
struct
inode
*
ip
,
metapage_t
*
fmp
,
xtpage_t
*
fp
,
btstack_t
*
btstack
)
xtDeleteUp
(
tid_t
tid
,
struct
inode
*
ip
,
struct
metapage
*
fmp
,
xtpage_t
*
fp
,
struct
btstack
*
btstack
)
{
int
rc
=
0
;
metapage_t
*
mp
;
struct
metapage
*
mp
;
xtpage_t
*
p
;
int
index
,
nextindex
;
s64
xaddr
;
int
xlen
;
btframe_t
*
parent
;
tlock_t
*
tlck
;
xtlock_t
*
xtlck
;
struct
btframe
*
parent
;
struct
tlock
*
tlck
;
struct
xtlock
*
xtlck
;
/*
* keep root leaf page which has become empty
...
...
@@ -2736,7 +2730,7 @@ xtDeleteUp(tid_t tid,
* action:xad deletion;
*/
tlck
=
txLock
(
tid
,
ip
,
mp
,
tlckXTREE
);
xtlck
=
(
xtlock_t
*
)
&
tlck
->
lock
;
xtlck
=
(
struct
xtlock
*
)
&
tlck
->
lock
;
xtlck
->
lwm
.
offset
=
(
xtlck
->
lwm
.
offset
)
?
min
(
index
,
xtlck
->
lwm
.
...
...
@@ -2785,10 +2779,10 @@ xtRelocate(tid_t tid, struct inode * ip, xad_t * oxad, /* old XAD */
int
xtype
)
{
/* extent type: XTPAGE or DATAEXT */
int
rc
=
0
;
tblock_t
*
tblk
;
tlock_t
*
tlck
;
xtlock_t
*
xtlck
;
metapage_t
*
mp
,
*
pmp
,
*
lmp
,
*
rmp
;
/* meta-page buffer */
struct
tblock
*
tblk
;
struct
tlock
*
tlck
;
struct
xtlock
*
xtlck
;
struct
metapage
*
mp
,
*
pmp
,
*
lmp
,
*
rmp
;
/* meta-page buffer */
xtpage_t
*
p
,
*
pp
,
*
rp
,
*
lp
;
/* base B+-tree index page */
xad_t
*
xad
;
pxd_t
*
pxd
;
...
...
@@ -2801,8 +2795,8 @@ xtRelocate(tid_t tid, struct inode * ip, xad_t * oxad, /* old XAD */
s64
bn
;
int
cmp
;
int
index
;
pxdlock_t
*
pxdlock
;
btstack_t
btstack
;
/* traverse stack */
struct
pxd_lock
*
pxdlock
;
struct
btstack
btstack
;
/* traverse stack */
xtype
=
xtype
&
EXTENT_TYPE
;
...
...
@@ -3016,7 +3010,7 @@ xtRelocate(tid_t tid, struct inode * ip, xad_t * oxad, /* old XAD */
BT_MARK_DIRTY
(
mp
,
ip
);
/* tlckNEW init xtlck->lwm.offset = XTENTRYSTART; */
tlck
=
txLock
(
tid
,
ip
,
mp
,
tlckXTREE
|
tlckNEW
);
xtlck
=
(
xtlock_t
*
)
&
tlck
->
lock
;
xtlck
=
(
struct
xtlock
*
)
&
tlck
->
lock
;
/* update the self address in the xtpage header */
pxd
=
&
p
->
header
.
self
;
...
...
@@ -3060,7 +3054,7 @@ xtRelocate(tid_t tid, struct inode * ip, xad_t * oxad, /* old XAD */
else
/* (xtype == XTPAGE) */
tlck
=
txMaplock
(
tid
,
ip
,
tlckMAP
|
tlckRELOCATE
);
pxdlock
=
(
pxdlock_t
*
)
&
tlck
->
lock
;
pxdlock
=
(
struct
pxd_lock
*
)
&
tlck
->
lock
;
pxdlock
->
flag
=
mlckFREEPXD
;
PXDaddress
(
&
pxdlock
->
pxd
,
oxaddr
);
PXDlength
(
&
pxdlock
->
pxd
,
xlen
);
...
...
@@ -3076,7 +3070,7 @@ xtRelocate(tid_t tid, struct inode * ip, xad_t * oxad, /* old XAD */
jEVENT
(
0
,
(
"xtRelocate: update parent xad entry.
\n
"
));
BT_MARK_DIRTY
(
pmp
,
ip
);
tlck
=
txLock
(
tid
,
ip
,
pmp
,
tlckXTREE
|
tlckGROW
);
xtlck
=
(
xtlock_t
*
)
&
tlck
->
lock
;
xtlck
=
(
struct
xtlock
*
)
&
tlck
->
lock
;
/* update the XAD with the new destination extent; */
xad
=
&
pp
->
xad
[
index
];
...
...
@@ -3113,17 +3107,17 @@ xtRelocate(tid_t tid, struct inode * ip, xad_t * oxad, /* old XAD */
* the page containing the entry is pinned at exit.
*/
static
int
xtSearchNode
(
struct
inode
*
ip
,
xad_t
*
xad
,
/* required XAD entry */
int
*
cmpp
,
btstack_t
*
btstack
,
int
flag
)
int
*
cmpp
,
struct
btstack
*
btstack
,
int
flag
)
{
int
rc
=
0
;
s64
xoff
,
xaddr
;
int
xlen
;
int
cmp
=
1
;
/* init for empty page */
s64
bn
;
/* block number */
metapage_t
*
mp
;
/* meta-page buffer */
struct
metapage
*
mp
;
/* meta-page buffer */
xtpage_t
*
p
;
/* page */
int
base
,
index
,
lim
;
btframe_t
*
btsp
;
struct
btframe
*
btsp
;
s64
t64
;
BT_CLR
(
btstack
);
...
...
@@ -3233,9 +3227,9 @@ static int xtSearchNode(struct inode *ip, xad_t * xad, /* required XAD entry */
static
int
xtRelink
(
tid_t
tid
,
struct
inode
*
ip
,
xtpage_t
*
p
)
{
int
rc
=
0
;
metapage_t
*
mp
;
struct
metapage
*
mp
;
s64
nextbn
,
prevbn
;
tlock_t
*
tlck
;
struct
tlock
*
tlck
;
nextbn
=
le64_to_cpu
(
p
->
header
.
next
);
prevbn
=
le64_to_cpu
(
p
->
header
.
prev
);
...
...
@@ -3295,14 +3289,14 @@ static int xtRelink(tid_t tid, struct inode *ip, xtpage_t * p)
void
xtInitRoot
(
tid_t
tid
,
struct
inode
*
ip
)
{
xtpage_t
*
p
;
tlock_t
*
tlck
;
struct
tlock
*
tlck
;
/*
* acquire a transaction lock on the root
*
* action:
*/
tlck
=
txLock
(
tid
,
ip
,
(
metapage_t
*
)
&
JFS_IP
(
ip
)
->
bxflag
,
tlck
=
txLock
(
tid
,
ip
,
(
struct
metapage
*
)
&
JFS_IP
(
ip
)
->
bxflag
,
tlckXTREE
|
tlckNEW
);
p
=
&
JFS_IP
(
ip
)
->
i_xtroot
;
...
...
@@ -3386,20 +3380,20 @@ s64 xtTruncate(tid_t tid, struct inode *ip, s64 newsize, int flag)
{
int
rc
=
0
;
s64
teof
;
metapage_t
*
mp
;
struct
metapage
*
mp
;
xtpage_t
*
p
;
s64
bn
;
int
index
,
nextindex
;
xad_t
*
xad
;
s64
xoff
,
xaddr
;
int
xlen
,
len
,
freexlen
;
btstack_t
btstack
;
btframe_t
*
parent
;
tblock_t
*
tblk
=
0
;
tlock_t
*
tlck
=
0
;
xtlock_t
*
xtlck
=
0
;
xdlistlock_t
xadlock
;
/* maplock for COMMIT_WMAP */
pxdlock_t
*
pxdlock
;
/* maplock for COMMIT_WMAP */
struct
btstack
btstack
;
struct
btframe
*
parent
;
struct
tblock
*
tblk
=
0
;
struct
tlock
*
tlck
=
0
;
struct
xtlock
*
xtlck
=
0
;
struct
xdlistlock
xadlock
;
/* maplock for COMMIT_WMAP */
struct
pxd_lock
*
pxdlock
;
/* maplock for COMMIT_WMAP */
s64
nfreed
;
int
freed
,
log
;
int
locked_leaves
=
0
;
...
...
@@ -3509,7 +3503,7 @@ s64 xtTruncate(tid_t tid, struct inode *ip, s64 newsize, int flag)
}
tlck
=
txLock
(
tid
,
ip
,
mp
,
tlckXTREE
);
tlck
->
type
=
tlckXTREE
|
tlckTRUNCATE
;
xtlck
=
(
xtlock_t
*
)
&
tlck
->
lock
;
xtlck
=
(
struct
xtlock
*
)
&
tlck
->
lock
;
xtlck
->
hwm
.
offset
=
le16_to_cpu
(
p
->
header
.
nextindex
)
-
1
;
}
BT_MARK_DIRTY
(
mp
,
ip
);
...
...
@@ -3574,7 +3568,7 @@ s64 xtTruncate(tid_t tid, struct inode *ip, s64 newsize, int flag)
xtlck
->
lwm
.
length
=
index
+
1
-
xtlck
->
lwm
.
offset
;
xtlck
->
twm
.
offset
=
index
;
pxdlock
=
(
pxdlock_t
*
)
&
xtlck
->
pxdlock
;
pxdlock
=
(
struct
pxd_lock
*
)
&
xtlck
->
pxdlock
;
pxdlock
->
flag
=
mlckFREEPXD
;
PXDaddress
(
&
pxdlock
->
pxd
,
xaddr
);
PXDlength
(
&
pxdlock
->
pxd
,
freexlen
);
...
...
@@ -3582,7 +3576,7 @@ s64 xtTruncate(tid_t tid, struct inode *ip, s64 newsize, int flag)
/* free truncated extent */
else
{
/* COMMIT_WMAP */
pxdlock
=
(
pxdlock_t
*
)
&
xadlock
;
pxdlock
=
(
struct
pxd_lock
*
)
&
xadlock
;
pxdlock
->
flag
=
mlckFREEPXD
;
PXDaddress
(
&
pxdlock
->
pxd
,
xaddr
);
PXDlength
(
&
pxdlock
->
pxd
,
freexlen
);
...
...
@@ -3614,7 +3608,7 @@ s64 xtTruncate(tid_t tid, struct inode *ip, s64 newsize, int flag)
xadlock
.
count
=
le16_to_cpu
(
p
->
header
.
nextindex
)
-
nextindex
;
txFreeMap
(
ip
,
(
maplock_t
*
)
&
xadlock
,
0
,
txFreeMap
(
ip
,
(
struct
maplock
*
)
&
xadlock
,
0
,
COMMIT_WMAP
);
}
p
->
header
.
nextindex
=
cpu_to_le16
(
nextindex
);
...
...
@@ -3644,7 +3638,7 @@ s64 xtTruncate(tid_t tid, struct inode *ip, s64 newsize, int flag)
xadlock
.
xdlist
=
&
p
->
xad
[
XTENTRYSTART
];
xadlock
.
count
=
le16_to_cpu
(
p
->
header
.
nextindex
)
-
XTENTRYSTART
;
txFreeMap
(
ip
,
(
maplock_t
*
)
&
xadlock
,
0
,
COMMIT_WMAP
);
txFreeMap
(
ip
,
(
struct
maplock
*
)
&
xadlock
,
0
,
COMMIT_WMAP
);
}
if
(
p
->
header
.
flag
&
BT_ROOT
)
{
...
...
@@ -3704,7 +3698,7 @@ s64 xtTruncate(tid_t tid, struct inode *ip, s64 newsize, int flag)
* free child extents covered by parent [);
*/
tlck
=
txLock
(
tid
,
ip
,
mp
,
tlckXTREE
);
xtlck
=
(
xtlock_t
*
)
&
tlck
->
lock
;
xtlck
=
(
struct
xtlock
*
)
&
tlck
->
lock
;
if
(
!
(
tlck
->
type
&
tlckTRUNCATE
))
{
xtlck
->
hwm
.
offset
=
le16_to_cpu
(
p
->
header
.
...
...
@@ -3719,7 +3713,7 @@ s64 xtTruncate(tid_t tid, struct inode *ip, s64 newsize, int flag)
xadlock
.
count
=
le16_to_cpu
(
p
->
header
.
nextindex
)
-
index
-
1
;
txFreeMap
(
ip
,
(
maplock_t
*
)
&
xadlock
,
0
,
txFreeMap
(
ip
,
(
struct
maplock
*
)
&
xadlock
,
0
,
COMMIT_WMAP
);
}
BT_MARK_DIRTY
(
mp
,
ip
);
...
...
@@ -3751,7 +3745,7 @@ s64 xtTruncate(tid_t tid, struct inode *ip, s64 newsize, int flag)
if
(
log
&&
mp
->
lid
&&
(
tblk
->
last
!=
mp
->
lid
)
&&
lid_to_tlock
(
mp
->
lid
)
->
tid
)
{
lid_t
lid
=
mp
->
lid
;
tlock_t
*
prev
;
struct
tlock
*
prev
;
tlck
=
lid_to_tlock
(
lid
);
...
...
@@ -3780,7 +3774,7 @@ s64 xtTruncate(tid_t tid, struct inode *ip, s64 newsize, int flag)
* invalidate parent if COMMIT_PWMAP;
*/
tlck
=
txLock
(
tid
,
ip
,
mp
,
tlckXTREE
);
xtlck
=
(
xtlock_t
*
)
&
tlck
->
lock
;
xtlck
=
(
struct
xtlock
*
)
&
tlck
->
lock
;
xtlck
->
hwm
.
offset
=
le16_to_cpu
(
p
->
header
.
nextindex
)
-
1
;
tlck
->
type
=
tlckXTREE
|
tlckFREE
;
...
...
@@ -3791,7 +3785,7 @@ s64 xtTruncate(tid_t tid, struct inode *ip, s64 newsize, int flag)
xadlock
.
count
=
le16_to_cpu
(
p
->
header
.
nextindex
)
-
XTENTRYSTART
;
txFreeMap
(
ip
,
(
maplock_t
*
)
&
xadlock
,
0
,
txFreeMap
(
ip
,
(
struct
maplock
*
)
&
xadlock
,
0
,
COMMIT_WMAP
);
}
BT_MARK_DIRTY
(
mp
,
ip
);
...
...
@@ -3919,20 +3913,20 @@ s64 xtTruncate(tid_t tid, struct inode *ip, s64 newsize, int flag)
s64
xtTruncate_pmap
(
tid_t
tid
,
struct
inode
*
ip
,
s64
committed_size
)
{
s64
bn
;
btstack_t
btstack
;
struct
btstack
btstack
;
int
cmp
;
int
index
;
int
locked_leaves
=
0
;
metapage_t
*
mp
;
struct
metapage
*
mp
;
xtpage_t
*
p
;
btframe_t
*
parent
;
struct
btframe
*
parent
;
int
rc
;
tblock_t
*
tblk
;
tlock_t
*
tlck
=
0
;
struct
tblock
*
tblk
;
struct
tlock
*
tlck
=
0
;
xad_t
*
xad
;
int
xlen
;
s64
xoff
;
xtlock_t
*
xtlck
=
0
;
struct
xtlock
*
xtlck
=
0
;
/* save object truncation type */
tblk
=
tid_to_tblock
(
tid
);
...
...
@@ -3988,7 +3982,7 @@ s64 xtTruncate_pmap(tid_t tid, struct inode *ip, s64 committed_size)
}
tlck
=
txLock
(
tid
,
ip
,
mp
,
tlckXTREE
);
tlck
->
type
=
tlckXTREE
|
tlckFREE
;
xtlck
=
(
xtlock_t
*
)
&
tlck
->
lock
;
xtlck
=
(
struct
xtlock
*
)
&
tlck
->
lock
;
xtlck
->
hwm
.
offset
=
index
;
...
...
@@ -4020,7 +4014,7 @@ s64 xtTruncate_pmap(tid_t tid, struct inode *ip, s64 committed_size)
* invalidate parent if COMMIT_PWMAP;
*/
tlck
=
txLock
(
tid
,
ip
,
mp
,
tlckXTREE
);
xtlck
=
(
xtlock_t
*
)
&
tlck
->
lock
;
xtlck
=
(
struct
xtlock
*
)
&
tlck
->
lock
;
xtlck
->
hwm
.
offset
=
le16_to_cpu
(
p
->
header
.
nextindex
)
-
1
;
tlck
->
type
=
tlckXTREE
|
tlckFREE
;
...
...
@@ -4074,14 +4068,14 @@ s64 xtTruncate_pmap(tid_t tid, struct inode *ip, s64 committed_size)
int
xtDisplayTree
(
struct
inode
*
ip
)
{
int
rc
=
0
;
metapage_t
*
mp
;
struct
metapage
*
mp
;
xtpage_t
*
p
;
s64
bn
,
pbn
;
int
index
,
lastindex
,
v
,
h
;
xad_t
*
xad
;
btstack_t
btstack
;
btframe_t
*
btsp
;
btframe_t
*
parent
;
struct
btstack
btstack
;
struct
btframe
*
btsp
;
struct
btframe
*
parent
;
printk
(
"display B+-tree.
\n
"
);
...
...
@@ -4195,7 +4189,7 @@ int xtDisplayTree(struct inode *ip)
int
xtDisplayPage
(
struct
inode
*
ip
,
s64
bn
,
xtpage_t
*
p
)
{
int
rc
=
0
;
metapage_t
*
mp
;
struct
metapage
*
mp
;
xad_t
*
xad
;
s64
xaddr
,
xoff
;
int
xlen
,
i
,
j
;
...
...
@@ -4254,7 +4248,7 @@ btree_t *t;
u64
bn
;
int
index
;
btentry_t
*
e
;
btstack_t
btstack
;
struct
btstack
btstack
;
struct
btsf
*
parent
;
/* clear stack */
...
...
fs/jfs/jfs_xtree.h
View file @
8916919b
...
...
@@ -64,11 +64,11 @@ typedef struct xad {
#define lengthXAD(xad) __le24_to_cpu((xad)->len)
/* xad list */
typedef
struc
t
{
struct
xadlis
t
{
s16
maxnxad
;
s16
nxad
;
xad_t
*
xad
;
}
xadlist_t
;
};
/* xad_t flags */
#define XAD_NEW 0x01
/* new */
...
...
@@ -110,8 +110,8 @@ typedef union {
*/
extern
int
xtLookup
(
struct
inode
*
ip
,
s64
lstart
,
s64
llen
,
int
*
pflag
,
s64
*
paddr
,
int
*
plen
,
int
flag
);
extern
int
xtLookupList
(
struct
inode
*
ip
,
lxdlist_
t
*
lxdlist
,
xadlist_
t
*
xadlist
,
int
flag
);
extern
int
xtLookupList
(
struct
inode
*
ip
,
struct
lxdlis
t
*
lxdlist
,
struct
xadlis
t
*
xadlist
,
int
flag
);
extern
void
xtInitRoot
(
tid_t
tid
,
struct
inode
*
ip
);
extern
int
xtInsert
(
tid_t
tid
,
struct
inode
*
ip
,
int
xflag
,
s64
xoff
,
int
xlen
,
s64
*
xaddrp
,
int
flag
);
...
...
fs/jfs/namei.c
View file @
8916919b
...
...
@@ -63,10 +63,10 @@ int jfs_create(struct inode *dip, struct dentry *dentry, int mode)
tid_t
tid
;
/* transaction id */
struct
inode
*
ip
=
NULL
;
/* child directory inode */
ino_t
ino
;
component_t
dname
;
/* child directory name */
btstack_t
btstack
;
struct
component_name
dname
;
/* child directory name */
struct
btstack
btstack
;
struct
inode
*
iplist
[
2
];
tblock_t
*
tblk
;
struct
tblock
*
tblk
;
jFYI
(
1
,
(
"jfs_create: dip:0x%p name:%s
\n
"
,
dip
,
dentry
->
d_name
.
name
));
...
...
@@ -178,10 +178,10 @@ int jfs_mkdir(struct inode *dip, struct dentry *dentry, int mode)
tid_t
tid
;
/* transaction id */
struct
inode
*
ip
=
NULL
;
/* child directory inode */
ino_t
ino
;
component_t
dname
;
/* child directory name */
btstack_t
btstack
;
struct
component_name
dname
;
/* child directory name */
struct
btstack
btstack
;
struct
inode
*
iplist
[
2
];
tblock_t
*
tblk
;
struct
tblock
*
tblk
;
jFYI
(
1
,
(
"jfs_mkdir: dip:0x%p name:%s
\n
"
,
dip
,
dentry
->
d_name
.
name
));
...
...
@@ -306,9 +306,9 @@ int jfs_rmdir(struct inode *dip, struct dentry *dentry)
tid_t
tid
;
/* transaction id */
struct
inode
*
ip
=
dentry
->
d_inode
;
ino_t
ino
;
component_t
dname
;
struct
component_name
dname
;
struct
inode
*
iplist
[
2
];
tblock_t
*
tblk
;
struct
tblock
*
tblk
;
jFYI
(
1
,
(
"jfs_rmdir: dip:0x%p name:%s
\n
"
,
dip
,
dentry
->
d_name
.
name
));
...
...
@@ -429,9 +429,9 @@ int jfs_unlink(struct inode *dip, struct dentry *dentry)
tid_t
tid
;
/* transaction id */
struct
inode
*
ip
=
dentry
->
d_inode
;
ino_t
ino
;
component_t
dname
;
/* object name */
struct
component_name
dname
;
/* object name */
struct
inode
*
iplist
[
2
];
tblock_t
*
tblk
;
struct
tblock
*
tblk
;
s64
new_size
=
0
;
int
commit_flag
;
...
...
@@ -580,7 +580,7 @@ int jfs_unlink(struct inode *dip, struct dentry *dentry)
s64
commitZeroLink
(
tid_t
tid
,
struct
inode
*
ip
)
{
int
filetype
;
tblock_t
*
tblk
;
struct
tblock
*
tblk
;
jFYI
(
1
,
(
"commitZeroLink: tid = %d, ip = 0x%p
\n
"
,
tid
,
ip
));
...
...
@@ -675,15 +675,15 @@ int freeZeroLink(struct inode *ip)
if
(
JFS_IP
(
ip
)
->
ea
.
flag
&
DXD_EXTENT
)
{
s64
xaddr
=
addressDXD
(
&
JFS_IP
(
ip
)
->
ea
);
int
xlen
=
lengthDXD
(
&
JFS_IP
(
ip
)
->
ea
);
maplock_t
maplock
;
/* maplock for COMMIT_WMAP */
pxdlock_t
*
pxdlock
;
/* maplock for COMMIT_WMAP */
struct
maplock
maplock
;
/* maplock for COMMIT_WMAP */
struct
pxd_lock
*
pxdlock
;
/* maplock for COMMIT_WMAP */
/* free EA pages from cache */
invalidate_dxd_metapages
(
ip
,
JFS_IP
(
ip
)
->
ea
);
/* free EA extent from working block map */
maplock
.
index
=
1
;
pxdlock
=
(
pxdlock_t
*
)
&
maplock
;
pxdlock
=
(
struct
pxd_lock
*
)
&
maplock
;
pxdlock
->
flag
=
mlckFREEPXD
;
PXDaddress
(
&
pxdlock
->
pxd
,
xaddr
);
PXDlength
(
&
pxdlock
->
pxd
,
xlen
);
...
...
@@ -696,14 +696,14 @@ int freeZeroLink(struct inode *ip)
if
(
JFS_IP
(
ip
)
->
acl
.
flag
&
DXD_EXTENT
)
{
s64
xaddr
=
addressDXD
(
&
JFS_IP
(
ip
)
->
acl
);
int
xlen
=
lengthDXD
(
&
JFS_IP
(
ip
)
->
acl
);
maplock_t
maplock
;
/* maplock for COMMIT_WMAP */
pxdlock_t
*
pxdlock
;
/* maplock for COMMIT_WMAP */
struct
maplock
maplock
;
/* maplock for COMMIT_WMAP */
struct
pxd_lock
*
pxdlock
;
/* maplock for COMMIT_WMAP */
invalidate_dxd_metapages
(
ip
,
JFS_IP
(
ip
)
->
acl
);
/* free ACL extent from working block map */
maplock
.
index
=
1
;
pxdlock
=
(
pxdlock_t
*
)
&
maplock
;
pxdlock
=
(
struct
pxd_lock
*
)
&
maplock
;
pxdlock
->
flag
=
mlckFREEPXD
;
PXDaddress
(
&
pxdlock
->
pxd
,
xaddr
);
PXDlength
(
&
pxdlock
->
pxd
,
xlen
);
...
...
@@ -752,8 +752,8 @@ int jfs_link(struct dentry *old_dentry,
tid_t
tid
;
struct
inode
*
ip
=
old_dentry
->
d_inode
;
ino_t
ino
;
component_t
dname
;
btstack_t
btstack
;
struct
component_name
dname
;
struct
btstack
btstack
;
struct
inode
*
iplist
[
2
];
jFYI
(
1
,
...
...
@@ -830,17 +830,17 @@ int jfs_symlink(struct inode *dip, struct dentry *dentry, const char *name)
int
rc
;
tid_t
tid
;
ino_t
ino
=
0
;
component_t
dname
;
struct
component_name
dname
;
int
ssize
;
/* source pathname size */
btstack_t
btstack
;
struct
btstack
btstack
;
struct
inode
*
ip
=
dentry
->
d_inode
;
unchar
*
i_fastsymlink
;
s64
xlen
=
0
;
int
bmask
=
0
,
xsize
;
s64
xaddr
;
metapage_t
*
mp
;
struct
metapage
*
mp
;
struct
super_block
*
sb
;
tblock_t
*
tblk
;
struct
tblock
*
tblk
;
struct
inode
*
iplist
[
2
];
...
...
@@ -1030,20 +1030,20 @@ int jfs_symlink(struct inode *dip, struct dentry *dentry, const char *name)
int
jfs_rename
(
struct
inode
*
old_dir
,
struct
dentry
*
old_dentry
,
struct
inode
*
new_dir
,
struct
dentry
*
new_dentry
)
{
btstack_t
btstack
;
struct
btstack
btstack
;
ino_t
ino
;
component_t
new_dname
;
struct
component_name
new_dname
;
struct
inode
*
new_ip
;
component_t
old_dname
;
struct
component_name
old_dname
;
struct
inode
*
old_ip
;
int
rc
;
tid_t
tid
;
tlock_t
*
tlck
;
dtlock_t
*
dtlck
;
lv_t
*
lv
;
struct
tlock
*
tlck
;
struct
dt_lock
*
dtlck
;
struct
lv
*
lv
;
int
ipcount
;
struct
inode
*
iplist
[
4
];
tblock_t
*
tblk
;
struct
tblock
*
tblk
;
s64
new_size
=
0
;
int
commit_flag
;
...
...
@@ -1194,11 +1194,11 @@ int jfs_rename(struct inode *old_dir, struct dentry *old_dentry,
/* Linelock header of dtree */
tlck
=
txLock
(
tid
,
old_ip
,
(
metapage_t
*
)
&
JFS_IP
(
old_ip
)
->
bxflag
,
(
struct
metapage
*
)
&
JFS_IP
(
old_ip
)
->
bxflag
,
tlckDTREE
|
tlckBTROOT
);
dtlck
=
(
dtlock_t
*
)
&
tlck
->
lock
;
dtlck
=
(
struct
dt_lock
*
)
&
tlck
->
lock
;
ASSERT
(
dtlck
->
index
==
0
);
lv
=
(
lv_t
*
)
&
dtlck
->
lv
[
0
];
lv
=
&
dtlck
->
lv
[
0
];
lv
->
offset
=
0
;
lv
->
length
=
1
;
dtlck
->
index
++
;
...
...
@@ -1301,14 +1301,14 @@ int jfs_rename(struct inode *old_dir, struct dentry *old_dentry,
*/
int
jfs_mknod
(
struct
inode
*
dir
,
struct
dentry
*
dentry
,
int
mode
,
int
rdev
)
{
btstack_t
btstack
;
component_t
dname
;
struct
btstack
btstack
;
struct
component_name
dname
;
ino_t
ino
;
struct
inode
*
ip
;
struct
inode
*
iplist
[
2
];
int
rc
;
tid_t
tid
;
tblock_t
*
tblk
;
struct
tblock
*
tblk
;
jFYI
(
1
,
(
"jfs_mknod: %s
\n
"
,
dentry
->
d_name
.
name
));
...
...
@@ -1371,10 +1371,10 @@ int jfs_mknod(struct inode *dir, struct dentry *dentry, int mode, int rdev)
static
struct
dentry
*
jfs_lookup
(
struct
inode
*
dip
,
struct
dentry
*
dentry
)
{
btstack_t
btstack
;
struct
btstack
btstack
;
ino_t
inum
;
struct
inode
*
ip
;
component_t
key
;
struct
component_name
key
;
const
char
*
name
=
dentry
->
d_name
.
name
;
int
len
=
dentry
->
d_name
.
len
;
int
rc
;
...
...
fs/jfs/resize.c
View file @
8916919b
...
...
@@ -65,8 +65,8 @@ int jfs_extendfs(struct super_block *sb, s64 newLVSize, int newLogSize)
struct
inode
*
ipbmap
=
sbi
->
ipbmap
;
struct
inode
*
ipbmap2
;
struct
inode
*
ipimap
=
sbi
->
ipimap
;
log_t
*
log
=
sbi
->
log
;
bmap_t
*
bmp
=
sbi
->
bmap
;
struct
jfs_log
*
log
=
sbi
->
log
;
struct
bmap
*
bmp
=
sbi
->
bmap
;
s64
newLogAddress
,
newFSCKAddress
;
int
newFSCKSize
;
s64
newMapSize
=
0
,
mapSize
;
...
...
fs/jfs/super.c
View file @
8916919b
...
...
@@ -101,7 +101,7 @@ static int jfs_statfs(struct super_block *sb, struct statfs *buf)
{
struct
jfs_sb_info
*
sbi
=
JFS_SBI
(
sb
);
s64
maxinodes
;
imap_t
*
imap
=
JFS_IP
(
sbi
->
ipimap
)
->
i_imap
;
struct
inomap
*
imap
=
JFS_IP
(
sbi
->
ipimap
)
->
i_imap
;
jFYI
(
1
,
(
"In jfs_statfs
\n
"
));
buf
->
f_type
=
JFS_SUPER_MAGIC
;
...
...
@@ -337,7 +337,7 @@ static int jfs_fill_super(struct super_block *sb, void *data, int silent)
static
void
jfs_write_super_lockfs
(
struct
super_block
*
sb
)
{
struct
jfs_sb_info
*
sbi
=
JFS_SBI
(
sb
);
log_t
*
log
=
sbi
->
log
;
struct
jfs_log
*
log
=
sbi
->
log
;
if
(
!
(
sb
->
s_flags
&
MS_RDONLY
))
{
txQuiesce
(
sb
);
...
...
@@ -348,7 +348,7 @@ static void jfs_write_super_lockfs(struct super_block *sb)
static
void
jfs_unlockfs
(
struct
super_block
*
sb
)
{
struct
jfs_sb_info
*
sbi
=
JFS_SBI
(
sb
);
log_t
*
log
=
sbi
->
log
;
struct
jfs_log
*
log
=
sbi
->
log
;
int
rc
=
0
;
if
(
!
(
sb
->
s_flags
&
MS_RDONLY
))
{
...
...
fs/jfs/xattr.c
View file @
8916919b
...
...
@@ -174,7 +174,7 @@ static int ea_write(struct inode *ip, struct jfs_ea_list *ealist, int size,
char
*
cp
;
s32
nbytes
,
nb
;
s32
bytes_to_write
;
metapage_t
*
mp
;
struct
metapage
*
mp
;
/*
* Quick check to see if this is an in-linable EA. Short EAs
...
...
@@ -311,7 +311,7 @@ static int ea_read(struct inode *ip, struct jfs_ea_list *ealist)
int
i
;
int
nbytes
,
nb
;
s32
bytes_to_read
;
metapage_t
*
mp
;
struct
metapage
*
mp
;
/* quick check for in-line EA */
if
(
ji
->
ea
.
flag
&
DXD_INLINE
)
...
...
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