[PATCH 2/5] xfs: skip stale inodes in xfs_iflush_cluster

Dave Chinner
2016-04-06T09:23:39Z

From: Dave Chinner <dchinner@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@redhat.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