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

[Dave Chinner <david@xxxxxxxxxxxxx>]

From: Dave Chinner <dchinner@xxxxxxxxxx>

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

Signed-off-by: Dave Chinner <dchinner@xxxxxxxxxx>
Reviewed-by: Brian Foster <bfoster@xxxxxxxxxx>
Reviewed-by: Christoph Hellwig <hch@xxxxxx>
Signed-off-by: Dave Chinner <david@xxxxxxxxxxxxx>
---
 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