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author | Al Viro <viro@zeniv.linux.org.uk> | 2012-04-17 21:28:51 +0200 |
---|---|---|
committer | Al Viro <viro@zeniv.linux.org.uk> | 2012-05-30 05:28:37 +0200 |
commit | 52576da3545e78c534d901a39f6f2391665c641b (patch) | |
tree | 349a87013bdda071fcf3644521b3147e95ddaa2f | |
parent | hpfs: get rid of bitfields in struct fnode (diff) | |
download | linux-52576da3545e78c534d901a39f6f2391665c641b.tar.xz linux-52576da3545e78c534d901a39f6f2391665c641b.zip |
hpfs: bitmaps are little-endian
annotate properly...
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
-rw-r--r-- | fs/hpfs/alloc.c | 14 | ||||
-rw-r--r-- | fs/hpfs/hpfs_fn.h | 6 | ||||
-rw-r--r-- | fs/hpfs/map.c | 4 |
3 files changed, 12 insertions, 12 deletions
diff --git a/fs/hpfs/alloc.c b/fs/hpfs/alloc.c index 7a5eb2c718c8..cdb84a838068 100644 --- a/fs/hpfs/alloc.c +++ b/fs/hpfs/alloc.c @@ -16,9 +16,9 @@ static int chk_if_allocated(struct super_block *s, secno sec, char *msg) { struct quad_buffer_head qbh; - u32 *bmp; + __le32 *bmp; if (!(bmp = hpfs_map_bitmap(s, sec >> 14, &qbh, "chk"))) goto fail; - if ((cpu_to_le32(bmp[(sec & 0x3fff) >> 5]) >> (sec & 0x1f)) & 1) { + if ((le32_to_cpu(bmp[(sec & 0x3fff) >> 5]) >> (sec & 0x1f)) & 1) { hpfs_error(s, "sector '%s' - %08x not allocated in bitmap", msg, sec); goto fail1; } @@ -62,7 +62,7 @@ int hpfs_chk_sectors(struct super_block *s, secno start, int len, char *msg) static secno alloc_in_bmp(struct super_block *s, secno near, unsigned n, unsigned forward) { struct quad_buffer_head qbh; - unsigned *bmp; + __le32 *bmp; unsigned bs = near & ~0x3fff; unsigned nr = (near & 0x3fff) & ~(n - 1); /*unsigned mnr;*/ @@ -236,7 +236,7 @@ static secno alloc_in_dirband(struct super_block *s, secno near) int hpfs_alloc_if_possible(struct super_block *s, secno sec) { struct quad_buffer_head qbh; - u32 *bmp; + __le32 *bmp; if (!(bmp = hpfs_map_bitmap(s, sec >> 14, &qbh, "aip"))) goto end; if (le32_to_cpu(bmp[(sec & 0x3fff) >> 5]) & (1 << (sec & 0x1f))) { bmp[(sec & 0x3fff) >> 5] &= cpu_to_le32(~(1 << (sec & 0x1f))); @@ -254,7 +254,7 @@ int hpfs_alloc_if_possible(struct super_block *s, secno sec) void hpfs_free_sectors(struct super_block *s, secno sec, unsigned n) { struct quad_buffer_head qbh; - u32 *bmp; + __le32 *bmp; struct hpfs_sb_info *sbi = hpfs_sb(s); /*printk("2 - ");*/ if (!n) return; @@ -299,7 +299,7 @@ int hpfs_check_free_dnodes(struct super_block *s, int n) int n_bmps = (hpfs_sb(s)->sb_fs_size + 0x4000 - 1) >> 14; int b = hpfs_sb(s)->sb_c_bitmap & 0x0fffffff; int i, j; - u32 *bmp; + __le32 *bmp; struct quad_buffer_head qbh; if ((bmp = hpfs_map_dnode_bitmap(s, &qbh))) { for (j = 0; j < 512; j++) { @@ -351,7 +351,7 @@ void hpfs_free_dnode(struct super_block *s, dnode_secno dno) hpfs_free_sectors(s, dno, 4); } else { struct quad_buffer_head qbh; - u32 *bmp; + __le32 *bmp; unsigned ssec = (dno - hpfs_sb(s)->sb_dirband_start) / 4; if (!(bmp = hpfs_map_dnode_bitmap(s, &qbh))) { return; diff --git a/fs/hpfs/hpfs_fn.h b/fs/hpfs/hpfs_fn.h index de946170ebb1..88f096d9dbee 100644 --- a/fs/hpfs/hpfs_fn.h +++ b/fs/hpfs/hpfs_fn.h @@ -178,7 +178,7 @@ static inline void copy_de(struct hpfs_dirent *dst, struct hpfs_dirent *src) dst->not_8x3 = n; } -static inline unsigned tstbits(u32 *bmp, unsigned b, unsigned n) +static inline unsigned tstbits(__le32 *bmp, unsigned b, unsigned n) { int i; if ((b >= 0x4000) || (b + n - 1 >= 0x4000)) return n; @@ -275,8 +275,8 @@ void hpfs_evict_inode(struct inode *); /* map.c */ -unsigned *hpfs_map_dnode_bitmap(struct super_block *, struct quad_buffer_head *); -unsigned *hpfs_map_bitmap(struct super_block *, unsigned, struct quad_buffer_head *, char *); +__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 *); unsigned char *hpfs_load_code_page(struct super_block *, secno); secno *hpfs_load_bitmap_directory(struct super_block *, secno bmp); struct fnode *hpfs_map_fnode(struct super_block *s, ino_t, struct buffer_head **); diff --git a/fs/hpfs/map.c b/fs/hpfs/map.c index fffcb330694e..bbb174df7f95 100644 --- a/fs/hpfs/map.c +++ b/fs/hpfs/map.c @@ -8,12 +8,12 @@ #include "hpfs_fn.h" -unsigned *hpfs_map_dnode_bitmap(struct super_block *s, struct quad_buffer_head *qbh) +__le32 *hpfs_map_dnode_bitmap(struct super_block *s, struct quad_buffer_head *qbh) { return hpfs_map_4sectors(s, hpfs_sb(s)->sb_dmap, qbh, 0); } -unsigned int *hpfs_map_bitmap(struct super_block *s, unsigned bmp_block, +__le32 *hpfs_map_bitmap(struct super_block *s, unsigned bmp_block, struct quad_buffer_head *qbh, char *id) { secno sec; |