linux-kernel - [PATCH 4.17 066/336] NFS: Fix up nfs_post_op_update

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Message-Id: <20180801165031.663338928@linuxfoundation.org>
Date:   Wed,  1 Aug 2018 18:46:41 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Trond Myklebust <trond.myklebust@...merspace.com>,
        Sasha Levin <alexander.levin@...rosoft.com>
Subject: [PATCH 4.17 066/336] NFS: Fix up nfs_post_op_update_inode() to force ctime updates

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

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

From: Trond Myklebust <trond.myklebust@...merspace.com>

[ 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@...merspace.com>
Signed-off-by: Sasha Levin <alexander.levin@...rosoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 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;