fs/omfs: return f_fsid for statfs(2)

Make omfs return f_fsid info for statfs(2).

Signed-off-by: Coly Li <coly.li@suse.de>
Acked-by: Bob Copeland <me@bobcopeland.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 5 insertions, 0 deletions

diff --git a/fs/omfs/inode.c b/fs/omfs/inode.c
index 633e9dc972bb..d79e808fd028 100644
--- a/fs/omfs/inode.c
+++ b/fs/omfs/inode.c
@@ -262,14 +262,19 @@ static int omfs_statfs(struct dentry *dentry, struct kstatfs *buf)
 {
         struct super_block *s = dentry->d_sb;
         struct omfs_sb_info *sbi = OMFS_SB(s);
+        u64 id = huge_encode_dev(s->s_bdev->bd_dev);
+
         buf->f_type = OMFS_MAGIC;
         buf->f_bsize = sbi->s_blocksize;
         buf->f_blocks = sbi->s_num_blocks;
         buf->f_files = sbi->s_num_blocks;
         buf->f_namelen = OMFS_NAMELEN;
+        buf->f_fsid.val[0] = (u32)id;
+        buf->f_fsid.val[1] = (u32)(id >> 32);
 
         buf->f_bfree = buf->f_bavail = buf->f_ffree =
                 omfs_count_free(s);
+
         return 0;
 }