UBIFS: fill f_fsid

UBIFS stores 16-bit UUID in the superblock, and it is a good
idea to return part of it in 'f_fsid' filed of kstatfs structure.

Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>

diff --git a/fs/ubifs/super.c b/fs/ubifs/super.c
index 1207bd5..0dee404 100644 (file)
--- a/fs/ubifs/super.c
+++ b/fs/ubifs/super.c
@@ -386,6 +386,7 @@ static int ubifs_statfs(struct dentry *dentry, struct kstatfs *buf)
        buf->f_files = 0;
        buf->f_ffree = 0;
        buf->f_namelen = UBIFS_MAX_NLEN;
+       memcpy(&buf->f_fsid, c->uuid, sizeof(__kernel_fsid_t));
 
        return 0;
 }