Messages in this thread Patch in this message | | | Subject | [PATCH] fat_access cleanup (6/11) | From | OGAWA Hirofumi <> | Date | Tue, 22 Jul 2003 00:55:10 +0900 |
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First, this reads ->free_clusters without lock_fat() in fat_statfs().
fs/fat/inode.c | 20 ++++++++++++-------- 1 files changed, 12 insertions(+), 8 deletions(-)
diff -puN fs/fat/inode.c~fat_access-cleanup3 fs/fat/inode.c --- linux-2.6.0-test1/fs/fat/inode.c~fat_access-cleanup3 2003-07-21 02:48:21.000000000 +0900 +++ linux-2.6.0-test1-hirofumi/fs/fat/inode.c 2003-07-21 02:48:21.000000000 +0900 @@ -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; _
-- OGAWA Hirofumi <hirofumi@mail.parknet.co.jp> - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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