Merge branch 'for-linus' of git://oss.sgi.com/xfs/xfs

* 'for-linus' of git://oss.sgi.com/xfs/xfs:
  xfs: Ensure we force all busy extents in range to disk
  xfs: Don't flush stale inodes
  xfs: fix timestamp handling in xfs_setattr
  xfs: use DECLARE_EVENT_CLASS

1 files changed, 7 insertions, 3 deletions

diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c
index ce278b3ae7fc..391d36b0e68c 100644
--- a/fs/xfs/xfs_inode.c
+++ b/fs/xfs/xfs_inode.c
@@ -2841,10 +2841,14 @@ xfs_iflush(
         mp = ip->i_mount;
 
         /*
-         * If the inode isn't dirty, then just release the inode
-         * flush lock and do nothing.
+         * If the inode isn't dirty, then just release the inode flush lock and
+         * do nothing. Treat stale inodes the same; we cannot rely on the
+         * backing buffer remaining stale in cache for the remaining life of
+         * the stale inode and so xfs_itobp() below may give us a buffer that
+         * no longer contains inodes below. Doing this stale check here also
+         * avoids forcing the log on pinned, stale inodes.
          */
-        if (xfs_inode_clean(ip)) {
+        if (xfs_inode_clean(ip) || xfs_iflags_test(ip, XFS_ISTALE)) {
                 xfs_ifunlock(ip);
                 return 0;
         }