xfs: skip stale inodes in xfs_iflush_cluster

We don't write back stale inodes so we should skip them in
xfs_iflush_cluster, too.

cc: <stable@vger.kernel.org> # 3.10.x-
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Dave Chinner <david@fromorbit.com>

diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c
index a955b02..3cbc903 100644 (file)
--- a/fs/xfs/xfs_inode.c
+++ b/fs/xfs/xfs_inode.c
@@ -3207,6 +3207,7 @@ xfs_iflush_cluster(
                 */
                spin_lock(&iq->i_flags_lock);
                if (!iq->i_ino ||
+                   __xfs_iflags_test(iq, XFS_ISTALE) ||
                    (XFS_INO_TO_AGINO(mp, iq->i_ino) & mask) != first_index) {
                        spin_unlock(&iq->i_flags_lock);
                        continue;