[PATCH 4.17 066/336] NFS: Fix up nfs_post_op_update_inode() to force ctime updates

[Greg Kroah-Hartman]

4.17-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Trond Myklebust <trond.myklebust@xxxxxxxxxxxxxxx>

[ Upstream commit d554168f87a55b35b7c59921a0dc45b6ba17d08d ]

We do not want to ignore ctime updates that originate from functions
such as link().

Signed-off-by: Trond Myklebust <trond.myklebust@xxxxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 fs/nfs/inode.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -1629,7 +1629,8 @@ int nfs_post_op_update_inode(struct inod
 	nfs_fattr_set_barrier(fattr);
 	status = nfs_post_op_update_inode_locked(inode, fattr,
 			NFS_INO_INVALID_CHANGE
-			| NFS_INO_INVALID_CTIME);
+			| NFS_INO_INVALID_CTIME
+			| NFS_INO_REVAL_FORCED);
 	spin_unlock(&inode->i_lock);
 
 	return status;