diff options
| author | Hirofumi Ogawa <hirofumi@mail.parknet.co.jp> | 2003-07-25 02:12:54 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@home.osdl.org> | 2003-07-25 02:12:54 -0700 |
| commit | 24fbf4c418fd013491bcd06173f0c5cce91e4e26 (patch) | |
| tree | d37ffb509e6a8cf75146eba1c1dca8d57a92eddc /fs | |
| parent | b2ef7d8a82c75343771979796c588d4ab6273402 (diff) | |
[PATCH] fat_access cleanup (6/11)
This reads ->free_clusters without lock_fat() in fat_statfs().
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/fat/inode.c | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/fs/fat/inode.c b/fs/fat/inode.c index 9ac84b93aaa9..0809cfee59d4 100644 --- a/fs/fat/inode.c +++ b/fs/fat/inode.c @@ -1024,19 +1024,23 @@ out_fail: int fat_statfs(struct super_block *sb, struct kstatfs *buf) { - int free,nr; + int free, nr; - lock_fat(sb); if (MSDOS_SB(sb)->free_clusters != -1) free = MSDOS_SB(sb)->free_clusters; else { - free = 0; - for (nr = 2; nr < MSDOS_SB(sb)->clusters + 2; nr++) - if (fat_access(sb, nr, -1) == FAT_ENT_FREE) - free++; - MSDOS_SB(sb)->free_clusters = free; + lock_fat(sb); + if (MSDOS_SB(sb)->free_clusters != -1) + free = MSDOS_SB(sb)->free_clusters; + else { + free = 0; + for (nr = 2; nr < MSDOS_SB(sb)->clusters + 2; nr++) + if (fat_access(sb, nr, -1) == FAT_ENT_FREE) + free++; + MSDOS_SB(sb)->free_clusters = free; + } + unlock_fat(sb); } - unlock_fat(sb); buf->f_type = sb->s_magic; buf->f_bsize = 1 << MSDOS_SB(sb)->cluster_bits; |