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Kirill Smelkov
linux
Commits
95996ddf
Commit
95996ddf
authored
Mar 02, 2004
by
Dave Kleikamp
Browse files
Options
Browse Files
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Plain Diff
Merge
bk://linux.bkbits.net/linux-2.5
into hostme.bitkeeper.com:/repos/j/jfs/linux-2.5
parents
b159a68b
215211de
Changes
8
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8 changed files
with
317 additions
and
213 deletions
+317
-213
fs/jfs/jfs_imap.c
fs/jfs/jfs_imap.c
+1
-3
fs/jfs/jfs_incore.h
fs/jfs/jfs_incore.h
+4
-2
fs/jfs/jfs_logmgr.c
fs/jfs/jfs_logmgr.c
+296
-185
fs/jfs/jfs_logmgr.h
fs/jfs/jfs_logmgr.h
+7
-10
fs/jfs/jfs_mount.c
fs/jfs/jfs_mount.c
+3
-7
fs/jfs/jfs_txnmgr.c
fs/jfs/jfs_txnmgr.c
+2
-2
fs/jfs/jfs_umount.c
fs/jfs/jfs_umount.c
+3
-4
fs/jfs/super.c
fs/jfs/super.c
+1
-0
No files found.
fs/jfs/jfs_imap.c
View file @
95996ddf
...
...
@@ -2055,7 +2055,7 @@ static int diAllocExt(struct inomap * imap, int agno, struct inode *ip)
static
int
diAllocBit
(
struct
inomap
*
imap
,
struct
iag
*
iagp
,
int
ino
)
{
int
extno
,
bitno
,
agno
,
sword
,
rc
;
struct
metapage
*
amp
,
*
bmp
;
struct
metapage
*
amp
=
NULL
,
*
bmp
=
NULL
;
struct
iag
*
aiagp
=
0
,
*
biagp
=
0
;
u32
mask
;
...
...
@@ -2065,8 +2065,6 @@ static int diAllocBit(struct inomap * imap, struct iag * iagp, int ino)
* it on the list.
*/
if
(
iagp
->
nfreeinos
==
cpu_to_le32
(
1
))
{
amp
=
bmp
=
NULL
;
if
((
int
)
le32_to_cpu
(
iagp
->
inofreefwd
)
>=
0
)
{
if
((
rc
=
diIAGRead
(
imap
,
le32_to_cpu
(
iagp
->
inofreefwd
),
...
...
fs/jfs/jfs_incore.h
View file @
95996ddf
/*
* Copyright (
c) International Business Machines Corp., 2000-2003
* Portions Copyright (
c
) Christoph Hellwig, 2001-2002
* Copyright (
C) International Business Machines Corp., 2000-2004
* Portions Copyright (
C
) Christoph Hellwig, 2001-2002
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
...
...
@@ -133,12 +133,14 @@ enum cflags {
* JFS-private superblock information.
*/
struct
jfs_sb_info
{
struct
super_block
*
sb
;
/* Point back to vfs super block */
unsigned
long
mntflag
;
/* aggregate attributes */
struct
inode
*
ipbmap
;
/* block map inode */
struct
inode
*
ipaimap
;
/* aggregate inode map inode */
struct
inode
*
ipaimap2
;
/* secondary aimap inode */
struct
inode
*
ipimap
;
/* aggregate inode map inode */
struct
jfs_log
*
log
;
/* log */
struct
list_head
log_list
;
/* volumes associated with a journal */
short
bsize
;
/* logical block size */
short
l2bsize
;
/* log2 logical block size */
short
nbperpage
;
/* blocks per page */
...
...
fs/jfs/jfs_logmgr.c
View file @
95996ddf
/*
* Copyright (
c) International Business Machines Corp., 2000-2003
* Portions Copyright (
c
) Christoph Hellwig, 2001-2002
* Copyright (
C) International Business Machines Corp., 2000-2004
* Portions Copyright (
C
) Christoph Hellwig, 2001-2002
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
...
...
@@ -158,6 +158,13 @@ do { \
*/
#define lbmDIRECT 0x0100
/*
* Global list of active external journals
*/
LIST_HEAD
(
jfs_external_logs
);
struct
jfs_log
*
dummy_log
=
NULL
;
DECLARE_MUTEX
(
jfs_log_sem
);
/*
* external references
*/
...
...
@@ -172,8 +179,11 @@ 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
lmLogFileSystem
(
struct
jfs_log
*
log
,
struct
jfs_sb_info
*
sbi
,
int
activate
);
static
int
open_inline_log
(
struct
super_block
*
sb
);
static
int
open_dummy_log
(
struct
super_block
*
sb
);
static
int
lbmLogInit
(
struct
jfs_log
*
log
);
static
void
lbmLogShutdown
(
struct
jfs_log
*
log
);
static
struct
lbuf
*
lbmAllocate
(
struct
jfs_log
*
log
,
int
);
...
...
@@ -962,19 +972,24 @@ int lmLogSync(struct jfs_log * log, int nosyncwait)
* reset syncpt = sync
*/
if
(
log
->
sync
!=
log
->
syncpt
)
{
struct
super_block
*
sb
=
log
->
sb
;
struct
jfs_sb_info
*
sbi
=
JFS_SBI
(
sb
);
struct
jfs_sb_info
*
sbi
;
/*
* We need to make sure all of the "written" metapages
* actually make it to disk
*/
filemap_fdatawrite
(
sbi
->
ipbmap
->
i_mapping
);
filemap_fdatawrite
(
sbi
->
ipimap
->
i_mapping
);
filemap_fdatawrite
(
sb
->
s_bdev
->
bd_inode
->
i_mapping
);
filemap_fdatawait
(
sbi
->
ipbmap
->
i_mapping
);
filemap_fdatawait
(
sbi
->
ipimap
->
i_mapping
);
filemap_fdatawait
(
sb
->
s_bdev
->
bd_inode
->
i_mapping
);
down
(
&
jfs_log_sem
);
list_for_each_entry
(
sbi
,
&
log
->
sb_list
,
log_list
)
{
filemap_fdatawrite
(
sbi
->
ipbmap
->
i_mapping
);
filemap_fdatawrite
(
sbi
->
ipimap
->
i_mapping
);
filemap_fdatawrite
(
sbi
->
sb
->
s_bdev
->
bd_inode
->
i_mapping
);
}
list_for_each_entry
(
sbi
,
&
log
->
sb_list
,
log_list
)
{
filemap_fdatawait
(
sbi
->
ipbmap
->
i_mapping
);
filemap_fdatawait
(
sbi
->
ipimap
->
i_mapping
);
filemap_fdatawait
(
sbi
->
sb
->
s_bdev
->
bd_inode
->
i_mapping
);
}
up
(
&
jfs_log_sem
);
lrd
.
logtid
=
0
;
lrd
.
backchain
=
0
;
...
...
@@ -1061,51 +1076,53 @@ int lmLogSync(struct jfs_log * log, int nosyncwait)
*
* serialization:
*/
int
lmLogOpen
(
struct
super_block
*
sb
,
struct
jfs_log
**
logptr
)
int
lmLogOpen
(
struct
super_block
*
sb
)
{
int
rc
;
struct
block_device
*
bdev
;
struct
jfs_log
*
log
;
struct
jfs_sb_info
*
sbi
=
JFS_SBI
(
sb
);
if
(
!
(
log
=
kmalloc
(
sizeof
(
struct
jfs_log
),
GFP_KERNEL
)))
if
(
sbi
->
flag
&
JFS_NOINTEGRITY
)
return
open_dummy_log
(
sb
);
if
(
sbi
->
mntflag
&
JFS_INLINELOG
)
return
open_inline_log
(
sb
);
down
(
&
jfs_log_sem
);
list_for_each_entry
(
log
,
&
jfs_external_logs
,
journal_list
)
{
if
(
log
->
bdev
->
bd_dev
==
sbi
->
logdev
)
{
if
(
memcmp
(
log
->
uuid
,
sbi
->
loguuid
,
sizeof
(
log
->
uuid
)))
{
jfs_warn
(
"wrong uuid on JFS journal
\n
"
);
up
(
&
jfs_log_sem
);
return
-
EINVAL
;
}
/*
* add file system to log active file system list
*/
if
((
rc
=
lmLogFileSystem
(
log
,
sbi
,
1
)))
{
up
(
&
jfs_log_sem
);
return
rc
;
}
goto
journal_found
;
}
}
if
(
!
(
log
=
kmalloc
(
sizeof
(
struct
jfs_log
),
GFP_KERNEL
)))
{
up
(
&
jfs_log_sem
);
return
-
ENOMEM
;
}
memset
(
log
,
0
,
sizeof
(
struct
jfs_log
));
init_waitqueue_head
(
&
log
->
syncwait
);
log
->
sb
=
sb
;
/* This should be a list */
if
(
!
(
JFS_SBI
(
sb
)
->
mntflag
&
JFS_INLINELOG
))
goto
externalLog
;
/*
* in-line log in host file system
*
* file system to log have 1-to-1 relationship;
*/
set_bit
(
log_INLINELOG
,
&
log
->
flag
);
log
->
bdev
=
sb
->
s_bdev
;
log
->
base
=
addressPXD
(
&
JFS_SBI
(
sb
)
->
logpxd
);
log
->
size
=
lengthPXD
(
&
JFS_SBI
(
sb
)
->
logpxd
)
>>
(
L2LOGPSIZE
-
sb
->
s_blocksize_bits
);
log
->
l2bsize
=
sb
->
s_blocksize_bits
;
ASSERT
(
L2LOGPSIZE
>=
sb
->
s_blocksize_bits
);
/*
* initialize log.
*/
if
((
rc
=
lmLogInit
(
log
)))
goto
free
;
goto
out
;
INIT_LIST_HEAD
(
&
log
->
sb_list
);
/*
* external log as separate logical volume
*
* file systems to log may have n-to-1 relationship;
*/
externalLog:
bdev
=
open_by_devnum
(
JFS_SBI
(
sb
)
->
logdev
,
FMODE_READ
|
FMODE_WRITE
);
bdev
=
open_by_devnum
(
sbi
->
logdev
,
FMODE_READ
|
FMODE_WRITE
);
if
(
IS_ERR
(
bdev
))
{
rc
=
-
PTR_ERR
(
bdev
);
goto
free
;
...
...
@@ -1116,7 +1133,7 @@ int lmLogOpen(struct super_block *sb, struct jfs_log ** logptr)
}
log
->
bdev
=
bdev
;
memcpy
(
log
->
uuid
,
JFS_SBI
(
sb
)
->
loguuid
,
sizeof
(
log
->
uuid
));
memcpy
(
log
->
uuid
,
sbi
->
loguuid
,
sizeof
(
log
->
uuid
));
/*
* initialize log:
...
...
@@ -1124,20 +1141,26 @@ int lmLogOpen(struct super_block *sb, struct jfs_log ** logptr)
if
((
rc
=
lmLogInit
(
log
)))
goto
unclaim
;
list_add
(
&
log
->
journal_list
,
&
jfs_external_logs
);
/*
* add file system to log active file system list
*/
if
((
rc
=
lmLogFileSystem
(
log
,
JFS_SBI
(
sb
)
->
uuid
,
1
)))
if
((
rc
=
lmLogFileSystem
(
log
,
sbi
,
1
)))
goto
shutdown
;
out:
*
logptr
=
log
;
journal_found:
list_add
(
&
sbi
->
log_list
,
&
log
->
sb_list
);
sbi
->
log
=
log
;
up
(
&
jfs_log_sem
);
return
0
;
/*
* unwind on error
*/
shutdown:
/* unwind lbmLogInit() */
list_del
(
&
log
->
journal_list
);
lbmLogShutdown
(
log
);
unclaim:
...
...
@@ -1147,12 +1170,78 @@ int lmLogOpen(struct super_block *sb, struct jfs_log ** logptr)
blkdev_put
(
bdev
);
free:
/* free log descriptor */
up
(
&
jfs_log_sem
);
kfree
(
log
);
jfs_warn
(
"lmLogOpen: exit(%d)"
,
rc
);
return
rc
;
}
static
int
open_inline_log
(
struct
super_block
*
sb
)
{
struct
jfs_log
*
log
;
int
rc
;
if
(
!
(
log
=
kmalloc
(
sizeof
(
struct
jfs_log
),
GFP_KERNEL
)))
return
-
ENOMEM
;
memset
(
log
,
0
,
sizeof
(
struct
jfs_log
));
INIT_LIST_HEAD
(
&
log
->
sb_list
);
set_bit
(
log_INLINELOG
,
&
log
->
flag
);
log
->
bdev
=
sb
->
s_bdev
;
log
->
base
=
addressPXD
(
&
JFS_SBI
(
sb
)
->
logpxd
);
log
->
size
=
lengthPXD
(
&
JFS_SBI
(
sb
)
->
logpxd
)
>>
(
L2LOGPSIZE
-
sb
->
s_blocksize_bits
);
log
->
l2bsize
=
sb
->
s_blocksize_bits
;
ASSERT
(
L2LOGPSIZE
>=
sb
->
s_blocksize_bits
);
/*
* initialize log.
*/
if
((
rc
=
lmLogInit
(
log
)))
{
kfree
(
log
);
jfs_warn
(
"lmLogOpen: exit(%d)"
,
rc
);
return
rc
;
}
list_add
(
&
JFS_SBI
(
sb
)
->
log_list
,
&
log
->
sb_list
);
JFS_SBI
(
sb
)
->
log
=
log
;
return
rc
;
}
static
int
open_dummy_log
(
struct
super_block
*
sb
)
{
int
rc
;
down
(
&
jfs_log_sem
);
if
(
!
dummy_log
)
{
dummy_log
=
kmalloc
(
sizeof
(
struct
jfs_log
),
GFP_KERNEL
);
if
(
!
dummy_log
)
{
up
(
&
jfs_log_sem
);
return
-
ENOMEM
;
}
memset
(
dummy_log
,
0
,
sizeof
(
struct
jfs_log
));
INIT_LIST_HEAD
(
&
dummy_log
->
sb_list
);
dummy_log
->
no_integrity
=
1
;
/* Make up some stuff */
dummy_log
->
base
=
0
;
dummy_log
->
size
=
1024
;
rc
=
lmLogInit
(
dummy_log
);
if
(
rc
)
{
kfree
(
dummy_log
);
dummy_log
=
NULL
;
up
(
&
jfs_log_sem
);
return
rc
;
}
}
list_add
(
&
JFS_SBI
(
sb
)
->
log_list
,
&
dummy_log
->
sb_list
);
JFS_SBI
(
sb
)
->
log
=
dummy_log
;
up
(
&
jfs_log_sem
);
return
0
;
}
/*
* NAME: lmLogInit()
...
...
@@ -1160,7 +1249,7 @@ int lmLogOpen(struct super_block *sb, struct jfs_log ** logptr)
* FUNCTION: log initialization at first log open.
*
* logredo() (or logformat()) should have been run previously.
* initialize the log
inode
from log superblock.
* initialize the log from log superblock.
* set the log state in the superblock to LOGMOUNT and
* write SYNCPT log record.
*
...
...
@@ -1180,14 +1269,26 @@ int lmLogInit(struct jfs_log * log)
struct
lbuf
*
bpsuper
;
struct
lbuf
*
bp
;
struct
logpage
*
lp
;
int
lsn
;
int
lsn
=
0
;
jfs_info
(
"lmLogInit: log:0x%p"
,
log
);
/*
* log inode is overlaid on generic inode where
* dinode have been zeroed out by iRead();
*/
/* initialize the group commit serialization lock */
LOGGC_LOCK_INIT
(
log
);
/* allocate/initialize the log write serialization lock */
LOG_LOCK_INIT
(
log
);
LOGSYNC_LOCK_INIT
(
log
);
INIT_LIST_HEAD
(
&
log
->
synclist
);
init_waitqueue_head
(
&
log
->
syncwait
);
log
->
cqueue
.
head
=
log
->
cqueue
.
tail
=
NULL
;
log
->
flush_tblk
=
NULL
;
log
->
count
=
0
;
/*
* initialize log i/o
...
...
@@ -1195,111 +1296,121 @@ int lmLogInit(struct jfs_log * log)
if
((
rc
=
lbmLogInit
(
log
)))
return
rc
;
/*
* validate log superblock
*/
if
(
!
test_bit
(
log_INLINELOG
,
&
log
->
flag
))
log
->
l2bsize
=
12
;
/* XXX kludge alert XXX */
if
((
rc
=
lbmRead
(
log
,
1
,
&
bpsuper
)))
goto
errout10
;
logsuper
=
(
struct
logsuper
*
)
bpsuper
->
l_ldata
;
if
(
logsuper
->
magic
!=
cpu_to_le32
(
LOGMAGIC
))
{
jfs_warn
(
"*** Log Format Error ! ***"
);
rc
=
-
EINVAL
;
goto
errout20
;
}
log
->
l2bsize
=
L2LOGPSIZE
;
/* check for disabled journaling to disk */
if
(
log
->
no_integrity
)
{
/*
* Journal pages will still be filled. When the time comes
* to actually do the I/O, the write is not done, and the
* endio routine is called directly.
*/
bp
=
lbmAllocate
(
log
,
0
);
log
->
bp
=
bp
;
bp
->
l_pn
=
bp
->
l_eor
=
0
;
}
else
{
/*
* validate log superblock
*/
if
((
rc
=
lbmRead
(
log
,
1
,
&
bpsuper
)))
goto
errout10
;
/* logredo() should have been run successfully. */
if
(
logsuper
->
state
!=
cpu_to_le32
(
LOGREDONE
))
{
jfs_warn
(
"*** Log Is Dirty ! ***"
);
rc
=
-
EINVAL
;
goto
errout20
;
}
logsuper
=
(
struct
logsuper
*
)
bpsuper
->
l_ldata
;
/* initialize log inode from log superblock */
if
(
test_bit
(
log_INLINELOG
,
&
log
->
flag
))
{
if
(
log
->
size
!=
le32_to_cpu
(
logsuper
->
size
))
{
if
(
logsuper
->
magic
!=
cpu_to_le32
(
LOGMAGIC
))
{
jfs_warn
(
"*** Log Format Error ! ***"
);
rc
=
-
EINVAL
;
goto
errout20
;
}
jfs_info
(
"lmLogInit: inline log:0x%p base:0x%Lx size:0x%x"
,
log
,
(
unsigned
long
long
)
log
->
base
,
log
->
size
);
}
else
{
if
(
memcmp
(
logsuper
->
uuid
,
log
->
uuid
,
16
))
{
jfs_warn
(
"wrong uuid on JFS log device"
)
;
/* logredo() should have been run successfully. */
if
(
logsuper
->
state
!=
cpu_to_le32
(
LOGREDONE
))
{
jfs_warn
(
"*** Log Is Dirty ! ***"
);
rc
=
-
EINVAL
;
goto
errout20
;
}
log
->
size
=
le32_to_cpu
(
logsuper
->
size
);
log
->
l2bsize
=
le32_to_cpu
(
logsuper
->
l2bsize
);
jfs_info
(
"lmLogInit: external log:0x%p base:0x%Lx size:0x%x"
,
log
,
(
unsigned
long
long
)
log
->
base
,
log
->
size
);
}
log
->
page
=
le32_to_cpu
(
logsuper
->
end
)
/
LOGPSIZE
;
log
->
eor
=
le32_to_cpu
(
logsuper
->
end
)
-
(
LOGPSIZE
*
log
->
page
);
/* check for disabled journaling to disk */
if
(
JFS_SBI
(
log
->
sb
)
->
flag
&
JFS_NOINTEGRITY
)
{
log
->
no_integrity
=
1
;
log
->
ni_page
=
log
->
page
;
log
->
ni_eor
=
log
->
eor
;
}
else
log
->
no_integrity
=
0
;
/* initialize log from log superblock */
if
(
test_bit
(
log_INLINELOG
,
&
log
->
flag
))
{
if
(
log
->
size
!=
le32_to_cpu
(
logsuper
->
size
))
{
rc
=
-
EINVAL
;
goto
errout20
;
}
jfs_info
(
"lmLogInit: inline log:0x%p base:0x%Lx "
"size:0x%x"
,
log
,
(
unsigned
long
long
)
log
->
base
,
log
->
size
);
}
else
{
if
(
memcmp
(
logsuper
->
uuid
,
log
->
uuid
,
16
))
{
jfs_warn
(
"wrong uuid on JFS log device"
);
goto
errout20
;
}
log
->
size
=
le32_to_cpu
(
logsuper
->
size
);
log
->
l2bsize
=
le32_to_cpu
(
logsuper
->
l2bsize
);
jfs_info
(
"lmLogInit: external log:0x%p base:0x%Lx "
"size:0x%x"
,
log
,
(
unsigned
long
long
)
log
->
base
,
log
->
size
);
}
/*
* initialize for log append write mode
*/
/* establish current/end-of-log page/buffer */
if
((
rc
=
lbmRead
(
log
,
log
->
page
,
&
bp
)))
goto
errout20
;
log
->
page
=
le32_to_cpu
(
logsuper
->
end
)
/
LOGPSIZE
;
log
->
eor
=
le32_to_cpu
(
logsuper
->
end
)
-
(
LOGPSIZE
*
log
->
page
);
lp
=
(
struct
logpage
*
)
bp
->
l_ldata
;
/*
* initialize for log append write mode
*/
/* establish current/end-of-log page/buffer */
if
((
rc
=
lbmRead
(
log
,
log
->
page
,
&
bp
)))
goto
errout20
;
jfs_info
(
"lmLogInit: lsn:0x%x page:%d eor:%d:%d"
,
le32_to_cpu
(
logsuper
->
end
),
log
->
page
,
log
->
eor
,
le16_to_cpu
(
lp
->
h
.
eor
));
lp
=
(
struct
logpage
*
)
bp
->
l_ldata
;
// ASSERT(log->eor == lp->h.eor);
jfs_info
(
"lmLogInit: lsn:0x%x page:%d eor:%d:%d"
,
le32_to_cpu
(
logsuper
->
end
),
log
->
page
,
log
->
eor
,
le16_to_cpu
(
lp
->
h
.
eor
));
log
->
bp
=
bp
;
bp
->
l_pn
=
log
->
page
;
bp
->
l_eor
=
log
->
eor
;
/* if current page is full, move on to next page */
if
(
log
->
eor
>=
LOGPSIZE
-
LOGPTLRSIZE
)
lmNextPage
(
log
)
;
/* initialize the group commit serialization lock */
LOGGC_LOCK_INIT
(
log
);
log
->
bp
=
bp
;
bp
->
l_pn
=
log
->
page
;
bp
->
l_eor
=
log
->
eor
;
/* if current page is full, move on to next page */
if
(
log
->
eor
>=
LOGPSIZE
-
LOGPTLRSIZE
)
lmNextPage
(
log
);
/* allocate/initialize the log write serialization lock */
LOG_LOCK_INIT
(
log
);
/*
* initialize log syncpoint
*/
/*
* write the first SYNCPT record with syncpoint = 0
* (i.e., log redo up to HERE !);
* remove current page from lbm write queue at end of pageout
* (to write log superblock update), but do not release to
* freelist;
*/
lrd
.
logtid
=
0
;
lrd
.
backchain
=
0
;
lrd
.
type
=
cpu_to_le16
(
LOG_SYNCPT
);
lrd
.
length
=
0
;
lrd
.
log
.
syncpt
.
sync
=
0
;
lsn
=
lmWriteRecord
(
log
,
NULL
,
&
lrd
,
NULL
);
bp
=
log
->
bp
;
bp
->
l_ceor
=
bp
->
l_eor
;
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
)))
goto
errout30
;
/*
* initialize log syncpoint
*/
/*
* write the first SYNCPT record with syncpoint = 0
* (i.e., log redo up to HERE !);
* remove current page from lbm write queue at end of pageout
* (to write log superblock update), but do not release to freelist;
*/
lrd
.
logtid
=
0
;
lrd
.
backchain
=
0
;
lrd
.
type
=
cpu_to_le16
(
LOG_SYNCPT
);
lrd
.
length
=
0
;
lrd
.
log
.
syncpt
.
sync
=
0
;
lsn
=
lmWriteRecord
(
log
,
NULL
,
&
lrd
,
NULL
);
bp
=
log
->
bp
;
bp
->
l_ceor
=
bp
->
l_eor
;
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
)))
goto
errout30
;
/*
* update/write superblock
*/
logsuper
->
state
=
cpu_to_le32
(
LOGMOUNT
);
log
->
serial
=
le32_to_cpu
(
logsuper
->
serial
)
+
1
;
logsuper
->
serial
=
cpu_to_le32
(
log
->
serial
);
lbmDirectWrite
(
log
,
bpsuper
,
lbmWRITE
|
lbmRELEASE
|
lbmSYNC
);
if
((
rc
=
lbmIOWait
(
bpsuper
,
lbmFREE
)))
goto
errout30
;
}
/* initialize logsync parameters */
log
->
logsize
=
(
log
->
size
-
2
)
<<
L2LOGPSIZE
;
...
...
@@ -1311,30 +1422,11 @@ int lmLogInit(struct jfs_log * log)
jfs_info
(
"lmLogInit: lsn:0x%x syncpt:0x%x sync:0x%x"
,
log
->
lsn
,
log
->
syncpt
,
log
->
sync
);
LOGSYNC_LOCK_INIT
(
log
);
INIT_LIST_HEAD
(
&
log
->
synclist
);
log
->
cqueue
.
head
=
log
->
cqueue
.
tail
=
NULL
;
log
->
flush_tblk
=
NULL
;
log
->
count
=
0
;
/*
* initialize for lazy/group commit
*/
log
->
clsn
=
lsn
;
/*
* update/write superblock
*/
logsuper
->
state
=
cpu_to_le32
(
LOGMOUNT
);
log
->
serial
=
le32_to_cpu
(
logsuper
->
serial
)
+
1
;
logsuper
->
serial
=
cpu_to_le32
(
log
->
serial
);
lbmDirectWrite
(
log
,
bpsuper
,
lbmWRITE
|
lbmRELEASE
|
lbmSYNC
);
if
((
rc
=
lbmIOWait
(
bpsuper
,
lbmFREE
)))
goto
errout30
;
return
0
;
/*
...
...
@@ -1361,39 +1453,66 @@ int lmLogInit(struct jfs_log * log)
* and close it on last close.
*
* PARAMETER: sb - superblock
* log - log inode
*
* RETURN: errors from subroutines
*
* serialization:
*/
int
lmLogClose
(
struct
super_block
*
sb
,
struct
jfs_log
*
log
)
int
lmLogClose
(
struct
super_block
*
sb
)
{
struct
block_device
*
bdev
=
log
->
bdev
;
int
rc
;
struct
jfs_sb_info
*
sbi
=
JFS_SBI
(
sb
);
struct
jfs_log
*
log
=
sbi
->
log
;
struct
block_device
*
bdev
;
int
rc
=
0
;
jfs_info
(
"lmLogClose: log:0x%p"
,
log
);
if
(
!
test_bit
(
log_INLINELOG
,
&
log
->
flag
))
goto
externalLog
;
down
(
&
jfs_log_sem
);
list_del
(
&
sbi
->
log_list
);
sbi
->
log
=
NULL
;
/*
* in-line log in host file system
* We need to make sure all of the "written" metapages
* actually make it to disk
*/
rc
=
lmLogShutdown
(
log
);
goto
out
;
sync_blockdev
(
sb
->
s_bdev
);
if
(
test_bit
(
log_INLINELOG
,
&
log
->
flag
))
{
/*
* in-line log in host file system
*/
rc
=
lmLogShutdown
(
log
);
goto
out
;
}
if
(
!
log
->
no_integrity
)
lmLogFileSystem
(
log
,
sbi
,
0
);
if
(
!
list_empty
(
&
log
->
sb_list
))
goto
out
;
/*
* TODO: ensure that the dummy_log is in a state to allow
* lbmLogShutdown to deallocate all the buffers and call
* kfree against dummy_log. For now, leave dummy_log & its
* buffers in memory, and resuse if another no-integrity mount
* is requested.
*/
if
(
log
->
no_integrity
)
goto
out
;
/*
* external log as separate logical volume
*/
externalLog:
lmLogFileSystem
(
log
,
JFS_SBI
(
sb
)
->
uuid
,
0
)
;
list_del
(
&
log
->
journal_list
);
bdev
=
log
->
bdev
;
rc
=
lmLogShutdown
(
log
);
bd_release
(
bdev
);
blkdev_put
(
bdev
);
out:
up
(
&
jfs_log_sem
);
jfs_info
(
"lmLogClose: exit(%d)"
,
rc
);
return
rc
;
}
...
...
@@ -1521,12 +1640,6 @@ int lmLogShutdown(struct jfs_log * log)
jfs_flush_journal
(
log
,
2
);
/*
* We need to make sure all of the "written" metapages
* actually make it to disk
*/
sync_blockdev
(
log
->
sb
->
s_bdev
);
/*
* write the last SYNCPT record with syncpoint = 0
* (i.e., log redo up to HERE !)
...
...
@@ -1537,13 +1650,6 @@ int lmLogShutdown(struct jfs_log * log)
lrd
.
length
=
0
;
lrd
.
log
.
syncpt
.
sync
=
0
;
/* check for disabled journaling to disk */
if
(
JFS_SBI
(
log
->
sb
)
->
flag
&
JFS_NOINTEGRITY
)
{
log
->
no_integrity
=
0
;
log
->
page
=
log
->
ni_page
;
log
->
eor
=
log
->
ni_eor
;
}
lsn
=
lmWriteRecord
(
log
,
NULL
,
&
lrd
,
NULL
);
bp
=
log
->
bp
;
lp
=
(
struct
logpage
*
)
bp
->
l_ldata
;
...
...
@@ -1595,12 +1701,14 @@ int lmLogShutdown(struct jfs_log * log)
* RETURN: 0 - success
* errors returned by vms_iowait().
*/
static
int
lmLogFileSystem
(
struct
jfs_log
*
log
,
char
*
uuid
,
int
activate
)
static
int
lmLogFileSystem
(
struct
jfs_log
*
log
,
struct
jfs_sb_info
*
sbi
,
int
activate
)
{
int
rc
=
0
;
int
i
;
struct
logsuper
*
logsuper
;
struct
lbuf
*
bpsuper
;
char
*
uuid
=
sbi
->
uuid
;
/*
* insert/remove file system device to log active file system list.
...
...
@@ -1613,6 +1721,7 @@ static int lmLogFileSystem(struct jfs_log * log, char *uuid, int activate)
for
(
i
=
0
;
i
<
MAX_ACTIVE
;
i
++
)
if
(
!
memcmp
(
logsuper
->
active
[
i
].
uuid
,
NULL_UUID
,
16
))
{
memcpy
(
logsuper
->
active
[
i
].
uuid
,
uuid
,
16
);
sbi
->
aggregate
=
i
;
break
;
}
if
(
i
==
MAX_ACTIVE
)
{
...
...
@@ -2251,7 +2360,7 @@ int jfsIOWait(void *arg)
int
lmLogFormat
(
struct
jfs_log
*
log
,
s64
logAddress
,
int
logSize
)
{
int
rc
=
-
EIO
;
struct
jfs_sb_info
*
sbi
=
JFS_SBI
(
log
->
sb
)
;
struct
jfs_sb_info
*
sbi
;
struct
logsuper
*
logsuper
;
struct
logpage
*
lp
;
int
lspn
;
/* log sequence page number */
...
...
@@ -2262,6 +2371,8 @@ int lmLogFormat(struct jfs_log *log, s64 logAddress, int logSize)
jfs_info
(
"lmLogFormat: logAddress:%Ld logSize:%d"
,
(
long
long
)
logAddress
,
logSize
);
sbi
=
list_entry
(
log
->
sb_list
.
next
,
struct
jfs_sb_info
,
log_list
);
/* allocate a log buffer */
bp
=
lbmAllocate
(
log
,
1
);
...
...
fs/jfs/jfs_logmgr.h
View file @
95996ddf
/*
* Copyright (
c) International Business Machines Corp., 2000-2003
* Portions Copyright (
c
) Christoph Hellwig, 2001-2002
* Copyright (
C) International Business Machines Corp., 2000-2004
* Portions Copyright (
C
) Christoph Hellwig, 2001-2002
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
...
...
@@ -367,11 +367,10 @@ struct lvd {
*/
struct
jfs_log
{
struct
super_block
*
sb
;
/* 4: This is used to sync metadata
* before writing syncpt. Will
* need to be a list if we share
* the log between fs's
struct
list_head
sb_list
;
/* This is used to sync metadata
* before writing syncpt.
*/
struct
list_head
journal_list
;
/* Global list */
struct
block_device
*
bdev
;
/* 4: log lv pointer */
s32
serial
;
/* 4: log mount serial number */
...
...
@@ -419,8 +418,6 @@ struct jfs_log {
char
uuid
[
16
];
/* 16: 128-bit uuid of log device */
int
no_integrity
;
/* 3: flag to disable journaling to disk */
int
ni_page
;
/* 4: backup of page for nointegrity option */
int
ni_eor
;
/* 4: backup of eor for nointegrity option */
};
/*
...
...
@@ -506,8 +503,8 @@ struct logsyncblk {
diff += (log)->logsize;\
}
extern
int
lmLogOpen
(
struct
super_block
*
sb
,
struct
jfs_log
**
log
);
extern
int
lmLogClose
(
struct
super_block
*
sb
,
struct
jfs_log
*
log
);
extern
int
lmLogOpen
(
struct
super_block
*
sb
);
extern
int
lmLogClose
(
struct
super_block
*
sb
);
extern
int
lmLogSync
(
struct
jfs_log
*
log
,
int
nosyncwait
);
extern
int
lmLogShutdown
(
struct
jfs_log
*
log
);
extern
int
lmLogInit
(
struct
jfs_log
*
log
);
...
...
fs/jfs/jfs_mount.c
View file @
95996ddf
/*
* Copyright (
c) International Business Machines Corp., 2000-2003
* Copyright (
C) International Business Machines Corp., 2000-2004
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
...
...
@@ -242,7 +242,6 @@ 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
);
struct
jfs_log
*
log
;
int
rc
;
/*
...
...
@@ -272,18 +271,15 @@ int jfs_mount_rw(struct super_block *sb, int remount)
/*
* open/initialize log
*/
if
((
rc
=
lmLogOpen
(
sb
,
&
log
)))
if
((
rc
=
lmLogOpen
(
sb
)))
return
rc
;
JFS_SBI
(
sb
)
->
log
=
log
;
/*
* update file system superblock;
*/
if
((
rc
=
updateSuper
(
sb
,
FM_MOUNT
)))
{
jfs_err
(
"jfs_mount: updateSuper failed w/rc = %d"
,
rc
);
lmLogClose
(
sb
,
log
);
JFS_SBI
(
sb
)
->
log
=
0
;
lmLogClose
(
sb
);
return
rc
;
}
...
...
fs/jfs/jfs_txnmgr.c
View file @
95996ddf
/*
* Copyright (C) International Business Machines Corp., 2000-200
3
* Copyright (C) International Business Machines Corp., 2000-200
4
* Portions Copyright (C) Christoph Hellwig, 2001-2002
*
* This program is free software; you can redistribute it and/or modify
...
...
@@ -1354,7 +1354,7 @@ static int txLog(struct jfs_log * log, struct tblock * tblk, struct commit * cd)
/* initialize lrd common */
ip
=
tlck
->
ip
;
lrd
->
aggregate
=
cpu_to_le32
(
new_encode_dev
(
ip
->
i_sb
->
s_bdev
->
bd_dev
)
);
lrd
->
aggregate
=
cpu_to_le32
(
JFS_SBI
(
ip
->
i_sb
)
->
aggregate
);
lrd
->
log
.
redopage
.
fileset
=
cpu_to_le32
(
JFS_IP
(
ip
)
->
fileset
);
lrd
->
log
.
redopage
.
inode
=
cpu_to_le32
(
ip
->
i_ino
);
...
...
fs/jfs/jfs_umount.c
View file @
95996ddf
/*
* Copyright (
c) International Business Machines Corp., 2000-2002
* Copyright (
C) International Business Machines Corp., 2000-2004
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
...
...
@@ -128,7 +128,7 @@ int jfs_umount(struct super_block *sb)
*
* remove file system from log active file system list.
*/
rc
=
lmLogClose
(
sb
,
log
);
rc
=
lmLogClose
(
sb
);
}
jfs_info
(
"UnMount JFS Complete: rc = %d"
,
rc
);
return
rc
;
...
...
@@ -167,7 +167,6 @@ int jfs_umount_rw(struct super_block *sb)
filemap_fdatawait
(
bdev_mapping
);
updateSuper
(
sb
,
FM_CLEAN
);
sbi
->
log
=
NULL
;
return
lmLogClose
(
sb
,
log
);
return
lmLogClose
(
sb
);
}
fs/jfs/super.c
View file @
95996ddf
...
...
@@ -381,6 +381,7 @@ static int jfs_fill_super(struct super_block *sb, void *data, int silent)
return
-
ENOSPC
;
memset
(
sbi
,
0
,
sizeof
(
struct
jfs_sb_info
));
sb
->
s_fs_info
=
sbi
;
sbi
->
sb
=
sb
;
/* initialize the mount flag and determine the default error handler */
flag
=
JFS_ERR_REMOUNT_RO
;
...
...
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