[PATCH 3/6] xfs: skip stale inodes in xfs_iflush_cluster

[Dave Chinner]

From: Dave Chinner <dchinner at redhat.com>

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

Signed-off-by: Dave Chinner <dchinner at redhat.com>
Reviewed-by: Brian Foster <bfoster at redhat.com>
Reviewed-by: Christoph Hellwig <hch at lst.de>
Signed-off-by: Dave Chinner <david at fromorbit.com>
---
 fs/xfs/xfs_inode.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c
index 2718d10..6598104 100644
--- a/fs/xfs/xfs_inode.c
+++ b/fs/xfs/xfs_inode.c
@@ -3190,10 +3190,11 @@ xfs_iflush_cluster(
 		 * because this is an RCU protected lookup, we could find a
 		 * recently freed or even reallocated inode during the lookup.
 		 * We need to check under the i_flags_lock for a valid inode
-		 * here. Skip it if it is not valid or the wrong inode.
+		 * here. Skip it if it is not valid, stale or the wrong inode.
 		 */
 		spin_lock(&cip->i_flags_lock);
 		if (!cip->i_ino ||
+		    __xfs_iflags_test(ip, XFS_ISTALE) ||
 		    (XFS_INO_TO_AGINO(mp, cip->i_ino) & mask) != first_index) {
 			spin_unlock(&cip->i_flags_lock);
 			continue;
-- 
2.7.0