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>

1 files changed, 1 insertions, 0 deletions

diff --git a/fs/ubifs/super.c b/fs/ubifs/super.c
index 1207bd51eadd..0dee4042c6c5 100644
--- 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;
 }