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Kirill Smelkov
linux
Commits
28fe3c19
Commit
28fe3c19
authored
Apr 17, 2012
by
Al Viro
Browse files
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Plain Diff
hpfs: assorted endianness annotations
Signed-off-by:
Al Viro
<
viro@zeniv.linux.org.uk
>
parent
77ee26e4
Changes
4
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Showing
4 changed files
with
60 additions
and
60 deletions
+60
-60
fs/hpfs/hpfs.h
fs/hpfs/hpfs.h
+54
-54
fs/hpfs/hpfs_fn.h
fs/hpfs/hpfs_fn.h
+2
-2
fs/hpfs/map.c
fs/hpfs/map.c
+3
-3
fs/hpfs/super.c
fs/hpfs/super.c
+1
-1
No files found.
fs/hpfs/hpfs.h
View file @
28fe3c19
...
@@ -51,11 +51,11 @@ struct hpfs_boot_block
...
@@ -51,11 +51,11 @@ struct hpfs_boot_block
u8
n_rootdir_entries
[
2
];
u8
n_rootdir_entries
[
2
];
u8
n_sectors_s
[
2
];
u8
n_sectors_s
[
2
];
u8
media_byte
;
u8
media_byte
;
u
16
sectors_per_fat
;
__le
16
sectors_per_fat
;
u
16
sectors_per_track
;
__le
16
sectors_per_track
;
u
16
heads_per_cyl
;
__le
16
heads_per_cyl
;
u
32
n_hidden_sectors
;
__le
32
n_hidden_sectors
;
u
32
n_sectors_l
;
/* size of partition */
__le
32
n_sectors_l
;
/* size of partition */
u8
drive_number
;
u8
drive_number
;
u8
mbz
;
u8
mbz
;
u8
sig_28h
;
/* 28h */
u8
sig_28h
;
/* 28h */
...
@@ -63,7 +63,7 @@ struct hpfs_boot_block
...
@@ -63,7 +63,7 @@ struct hpfs_boot_block
u8
vol_label
[
11
];
u8
vol_label
[
11
];
u8
sig_hpfs
[
8
];
/* "HPFS " */
u8
sig_hpfs
[
8
];
/* "HPFS " */
u8
pad
[
448
];
u8
pad
[
448
];
u
16
magic
;
/* aa55 */
__le
16
magic
;
/* aa55 */
};
};
...
@@ -75,28 +75,28 @@ struct hpfs_boot_block
...
@@ -75,28 +75,28 @@ struct hpfs_boot_block
struct
hpfs_super_block
struct
hpfs_super_block
{
{
u
32
magic
;
/* f995 e849 */
__le
32
magic
;
/* f995 e849 */
u32
magic1
;
/* fa53 e9c5, more magic? */
__le32
magic1
;
/* fa53 e9c5, more magic? */
u8
version
;
/* version of a filesystem usually 2 */
u8
version
;
/* version of a filesystem usually 2 */
u8
funcversion
;
/* functional version - oldest version
u8
funcversion
;
/* functional version - oldest version
of filesystem that can understand
of filesystem that can understand
this disk */
this disk */
u
16
zero
;
/* 0 */
__le
16
zero
;
/* 0 */
fnode_secno
root
;
/* fnode of root directory */
__le32
root
;
/* fnode of root directory */
secno
n_sectors
;
/* size of filesystem */
__le32
n_sectors
;
/* size of filesystem */
u
32
n_badblocks
;
/* number of bad blocks */
__le
32
n_badblocks
;
/* number of bad blocks */
secno
bitmaps
;
/* pointers to free space bit maps */
__le32
bitmaps
;
/* pointers to free space bit maps */
u
32
zero1
;
/* 0 */
__le
32
zero1
;
/* 0 */
secno
badblocks
;
/* bad block list */
__le32
badblocks
;
/* bad block list */
u
32
zero3
;
/* 0 */
__le
32
zero3
;
/* 0 */
time32_t
last_chkdsk
;
/* date last checked, 0 if never */
__le32
last_chkdsk
;
/* date last checked, 0 if never */
time32_t
last_optimize
;
/* date last optimized, 0 if never */
__le32
last_optimize
;
/* date last optimized, 0 if never */
secno
n_dir_band
;
/* number of sectors in dir band */
__le32
n_dir_band
;
/* number of sectors in dir band */
secno
dir_band_start
;
/* first sector in dir band */
__le32
dir_band_start
;
/* first sector in dir band */
secno
dir_band_end
;
/* last sector in dir band */
__le32
dir_band_end
;
/* last sector in dir band */
secno
dir_band_bitmap
;
/* free space map, 1 dnode per bit */
__le32
dir_band_bitmap
;
/* free space map, 1 dnode per bit */
u8
volume_name
[
32
];
/* not used */
u8
volume_name
[
32
];
/* not used */
secno
user_id_table
;
/* 8 preallocated sectors - user id */
__le32
user_id_table
;
/* 8 preallocated sectors - user id */
u32
zero6
[
103
];
/* 0 */
u32
zero6
[
103
];
/* 0 */
};
};
...
@@ -109,8 +109,8 @@ struct hpfs_super_block
...
@@ -109,8 +109,8 @@ struct hpfs_super_block
struct
hpfs_spare_block
struct
hpfs_spare_block
{
{
u
32
magic
;
/* f991 1849 */
__le
32
magic
;
/* f991 1849 */
u
32
magic1
;
/* fa52 29c5, more magic? */
__le
32
magic1
;
/* fa52 29c5, more magic? */
#ifdef __LITTLE_ENDIAN
#ifdef __LITTLE_ENDIAN
u8
dirty
:
1
;
/* 0 clean, 1 "improperly stopped" */
u8
dirty
:
1
;
/* 0 clean, 1 "improperly stopped" */
...
@@ -153,21 +153,21 @@ struct hpfs_spare_block
...
@@ -153,21 +153,21 @@ struct hpfs_spare_block
u8
mm_contlgulty
;
u8
mm_contlgulty
;
u8
unused
;
u8
unused
;
secno
hotfix_map
;
/* info about remapped bad sectors */
__le32
hotfix_map
;
/* info about remapped bad sectors */
u
32
n_spares_used
;
/* number of hotfixes */
__le
32
n_spares_used
;
/* number of hotfixes */
u32
n_spares
;
/* number of spares in hotfix map */
__le32
n_spares
;
/* number of spares in hotfix map */
u
32
n_dnode_spares_free
;
/* spare dnodes unused */
__le
32
n_dnode_spares_free
;
/* spare dnodes unused */
u32
n_dnode_spares
;
/* length of spare_dnodes[] list,
__le32
n_dnode_spares
;
/* length of spare_dnodes[] list,
follows in this block*/
follows in this block*/
secno
code_page_dir
;
/* code page directory block */
__le32
code_page_dir
;
/* code page directory block */
u
32
n_code_pages
;
/* number of code pages */
__le
32
n_code_pages
;
/* number of code pages */
u
32
super_crc
;
/* on HPFS386 and LAN Server this is
__le
32
super_crc
;
/* on HPFS386 and LAN Server this is
checksum of superblock, on normal
checksum of superblock, on normal
OS/2 unused */
OS/2 unused */
u
32
spare_crc
;
/* on HPFS386 checksum of spareblock */
__le
32
spare_crc
;
/* on HPFS386 checksum of spareblock */
u
32
zero1
[
15
];
/* unused */
__le
32
zero1
[
15
];
/* unused */
dnode_secno
spare_dnodes
[
100
];
/* emergency free dnode list */
__le32
spare_dnodes
[
100
];
/* emergency free dnode list */
u32
zero2
[
1
];
/* room for more? */
__le32
zero2
[
1
];
/* room for more? */
};
};
/* The bad block list is 4 sectors long. The first word must be zero,
/* The bad block list is 4 sectors long. The first word must be zero,
...
@@ -202,18 +202,18 @@ struct hpfs_spare_block
...
@@ -202,18 +202,18 @@ struct hpfs_spare_block
struct
code_page_directory
struct
code_page_directory
{
{
u
32
magic
;
/* 4945 21f7 */
__le
32
magic
;
/* 4945 21f7 */
u
32
n_code_pages
;
/* number of pointers following */
__le
32
n_code_pages
;
/* number of pointers following */
u
32
zero1
[
2
];
__le
32
zero1
[
2
];
struct
{
struct
{
u
16
ix
;
/* index */
__le
16
ix
;
/* index */
u
16
code_page_number
;
/* code page number */
__le
16
code_page_number
;
/* code page number */
u32
bounds
;
/* matches corresponding word
__le32
bounds
;
/* matches corresponding word
in data block */
in data block */
secno
code_page_data
;
/* sector number of a code_page_data
__le32
code_page_data
;
/* sector number of a code_page_data
containing c.p. array */
containing c.p. array */
u16
index
;
/* index in c.p. array in that sector*/
__le16
index
;
/* index in c.p. array in that sector*/
u
16
unknown
;
/* some unknown value; usually 0;
__le
16
unknown
;
/* some unknown value; usually 0;
2 in Japanese version */
2 in Japanese version */
}
array
[
31
];
/* unknown length */
}
array
[
31
];
/* unknown length */
};
};
...
@@ -224,19 +224,19 @@ struct code_page_directory
...
@@ -224,19 +224,19 @@ struct code_page_directory
struct
code_page_data
struct
code_page_data
{
{
u
32
magic
;
/* 8945 21f7 */
__le
32
magic
;
/* 8945 21f7 */
u32
n_used
;
/* # elements used in c_p_data[] */
__le32
n_used
;
/* # elements used in c_p_data[] */
u
32
bounds
[
3
];
/* looks a bit like
__le
32
bounds
[
3
];
/* looks a bit like
(beg1,end1), (beg2,end2)
(beg1,end1), (beg2,end2)
one byte each */
one byte each */
u16
offs
[
3
];
/* offsets from start of sector
__le16
offs
[
3
];
/* offsets from start of sector
to start of c_p_data[ix] */
to start of c_p_data[ix] */
struct
{
struct
{
u
16
ix
;
/* index */
__le
16
ix
;
/* index */
u
16
code_page_number
;
/* code page number */
__le
16
code_page_number
;
/* code page number */
u
16
unknown
;
/* the same as in cp directory */
__le
16
unknown
;
/* the same as in cp directory */
u8
map
[
128
];
/* upcase table for chars 80..ff */
u8
map
[
128
];
/* upcase table for chars 80..ff */
u
16
zero2
;
__le
16
zero2
;
}
code_page
[
3
];
}
code_page
[
3
];
u8
incognita
[
78
];
u8
incognita
[
78
];
};
};
...
...
fs/hpfs/hpfs_fn.h
View file @
28fe3c19
...
@@ -82,7 +82,7 @@ struct hpfs_sb_info {
...
@@ -82,7 +82,7 @@ struct hpfs_sb_info {
unsigned
char
*
sb_cp_table
;
/* code page tables: */
unsigned
char
*
sb_cp_table
;
/* code page tables: */
/* 128 bytes uppercasing table & */
/* 128 bytes uppercasing table & */
/* 128 bytes lowercasing table */
/* 128 bytes lowercasing table */
unsigned
*
sb_bmp_dir
;
/* main bitmap directory */
__le32
*
sb_bmp_dir
;
/* main bitmap directory */
unsigned
sb_c_bitmap
;
/* current bitmap */
unsigned
sb_c_bitmap
;
/* current bitmap */
unsigned
sb_max_fwd_alloc
;
/* max forwad allocation */
unsigned
sb_max_fwd_alloc
;
/* max forwad allocation */
int
sb_timeshift
;
int
sb_timeshift
;
...
@@ -278,7 +278,7 @@ void hpfs_evict_inode(struct inode *);
...
@@ -278,7 +278,7 @@ void hpfs_evict_inode(struct inode *);
__le32
*
hpfs_map_dnode_bitmap
(
struct
super_block
*
,
struct
quad_buffer_head
*
);
__le32
*
hpfs_map_dnode_bitmap
(
struct
super_block
*
,
struct
quad_buffer_head
*
);
__le32
*
hpfs_map_bitmap
(
struct
super_block
*
,
unsigned
,
struct
quad_buffer_head
*
,
char
*
);
__le32
*
hpfs_map_bitmap
(
struct
super_block
*
,
unsigned
,
struct
quad_buffer_head
*
,
char
*
);
unsigned
char
*
hpfs_load_code_page
(
struct
super_block
*
,
secno
);
unsigned
char
*
hpfs_load_code_page
(
struct
super_block
*
,
secno
);
secno
*
hpfs_load_bitmap_directory
(
struct
super_block
*
,
secno
bmp
);
__le32
*
hpfs_load_bitmap_directory
(
struct
super_block
*
,
secno
bmp
);
struct
fnode
*
hpfs_map_fnode
(
struct
super_block
*
s
,
ino_t
,
struct
buffer_head
**
);
struct
fnode
*
hpfs_map_fnode
(
struct
super_block
*
s
,
ino_t
,
struct
buffer_head
**
);
struct
anode
*
hpfs_map_anode
(
struct
super_block
*
s
,
anode_secno
,
struct
buffer_head
**
);
struct
anode
*
hpfs_map_anode
(
struct
super_block
*
s
,
anode_secno
,
struct
buffer_head
**
);
struct
dnode
*
hpfs_map_dnode
(
struct
super_block
*
s
,
dnode_secno
,
struct
quad_buffer_head
*
);
struct
dnode
*
hpfs_map_dnode
(
struct
super_block
*
s
,
dnode_secno
,
struct
quad_buffer_head
*
);
...
...
fs/hpfs/map.c
View file @
28fe3c19
...
@@ -89,18 +89,18 @@ unsigned char *hpfs_load_code_page(struct super_block *s, secno cps)
...
@@ -89,18 +89,18 @@ unsigned char *hpfs_load_code_page(struct super_block *s, secno cps)
return
cp_table
;
return
cp_table
;
}
}
secno
*
hpfs_load_bitmap_directory
(
struct
super_block
*
s
,
secno
bmp
)
__le32
*
hpfs_load_bitmap_directory
(
struct
super_block
*
s
,
secno
bmp
)
{
{
struct
buffer_head
*
bh
;
struct
buffer_head
*
bh
;
int
n
=
(
hpfs_sb
(
s
)
->
sb_fs_size
+
0x200000
-
1
)
>>
21
;
int
n
=
(
hpfs_sb
(
s
)
->
sb_fs_size
+
0x200000
-
1
)
>>
21
;
int
i
;
int
i
;
secno
*
b
;
__le32
*
b
;
if
(
!
(
b
=
kmalloc
(
n
*
512
,
GFP_KERNEL
)))
{
if
(
!
(
b
=
kmalloc
(
n
*
512
,
GFP_KERNEL
)))
{
printk
(
"HPFS: can't allocate memory for bitmap directory
\n
"
);
printk
(
"HPFS: can't allocate memory for bitmap directory
\n
"
);
return
NULL
;
return
NULL
;
}
}
for
(
i
=
0
;
i
<
n
;
i
++
)
{
for
(
i
=
0
;
i
<
n
;
i
++
)
{
secno
*
d
=
hpfs_map_sector
(
s
,
bmp
+
i
,
&
bh
,
n
-
i
-
1
);
__le32
*
d
=
hpfs_map_sector
(
s
,
bmp
+
i
,
&
bh
,
n
-
i
-
1
);
if
(
!
d
)
{
if
(
!
d
)
{
kfree
(
b
);
kfree
(
b
);
return
NULL
;
return
NULL
;
...
...
fs/hpfs/super.c
View file @
28fe3c19
...
@@ -572,7 +572,7 @@ static int hpfs_fill_super(struct super_block *s, void *options, int silent)
...
@@ -572,7 +572,7 @@ static int hpfs_fill_super(struct super_block *s, void *options, int silent)
mark_buffer_dirty
(
bh2
);
mark_buffer_dirty
(
bh2
);
}
}
if
(
spareblock
->
hotfixes_used
||
le32_to_cpu
(
spareblock
->
n_spares_used
)
)
{
if
(
spareblock
->
hotfixes_used
||
spareblock
->
n_spares_used
)
{
if
(
errs
>=
2
)
{
if
(
errs
>=
2
)
{
printk
(
"HPFS: Hotfixes not supported here, try chkdsk
\n
"
);
printk
(
"HPFS: Hotfixes not supported here, try chkdsk
\n
"
);
mark_dirty
(
s
,
0
);
mark_dirty
(
s
,
0
);
...
...
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