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fs/fat: return f_fsid for statfs(2)

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Make fat return f_fsid info for statfs(2).

Signed-off-by: Coly Li <[email protected]>
Acked-by: OGAWA Hirofumi <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Coly Li 2009-04-02 16:59:35 -07:00 • committed by Linus Torvalds
commit aac49b7543
1 changed files with 5 additions and 1 deletions
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6
fs/fat/inode.c
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@ -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;