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| author | Coly Li <coly.li@suse.de> | 2009-04-03 03:59:35 +0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-04-03 06:05:09 +0400 |
| commit | aac49b7543c816a6e2c1581c5b5002e6a0cef3d1 (patch) | |
| tree | 3410068c8f33faad4c5a2d7f159465ef91230a6c /fs/fat | |
| parent | 514c91a9cca12b19ed80ac6728278aff9bbf65f0 (diff) | |
| download | linux-aac49b7543c816a6e2c1581c5b5002e6a0cef3d1.tar.xz | |
fs/fat: return f_fsid for statfs(2)
Make fat return f_fsid info for statfs(2).
Signed-off-by: Coly Li <coly.li@suse.de>
Acked-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/fat')
| -rw-r--r-- | fs/fat/inode.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/fs/fat/inode.c b/fs/fat/inode.c index de0004fe6e00..2cc952e4c3dc 100644 --- a/fs/fat/inode.c +++ b/fs/fat/inode.c @@ -523,7 +523,9 @@ static int fat_remount(struct super_block *sb, int *flags, char *data) static int fat_statfs(struct dentry *dentry, struct kstatfs *buf) { - struct msdos_sb_info *sbi = MSDOS_SB(dentry->d_sb); + struct super_block *sb = dentry->d_sb; + struct msdos_sb_info *sbi = MSDOS_SB(sb); + u64 id = huge_encode_dev(sb->s_bdev->bd_dev); /* If the count of free cluster is still unknown, counts it here. */ if (sbi->free_clusters == -1 || !sbi->free_clus_valid) { @@ -537,6 +539,8 @@ static int fat_statfs(struct dentry *dentry, struct kstatfs *buf) buf->f_blocks = sbi->max_cluster - FAT_START_ENT; buf->f_bfree = sbi->free_clusters; buf->f_bavail = sbi->free_clusters; + buf->f_fsid.val[0] = (u32)id; + buf->f_fsid.val[1] = (u32)(id >> 32); buf->f_namelen = sbi->options.isvfat ? 260 : 12; return 0; |