Gitweb: http://git.kernel.org/linus/aac49b7543c816a6e2c1581c5b5002e6a0cef3d1
Commit: aac49b7543c816a6e2c1581c5b5002e6a0cef3d1
Parent: 514c91a9cca12b19ed80ac6728278aff9bbf65f0
Author: Coly Li <coly.li@suse.de>
AuthorDate: Thu Apr 2 16:59:35 2009 -0700
Committer: Linus Torvalds <torvalds@linux-foundation.org>
CommitDate: Thu Apr 2 19:05:09 2009 -0700
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>
---
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 de0004f..2cc952e 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;
--
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