Merge commit 'v2.6.30' into next

1 files changed, 8 insertions, 14 deletions

diff --git a/fs/autofs4/waitq.c b/fs/autofs4/waitq.c
index eeb246845909..2341375386f8 100644
--- a/fs/autofs4/waitq.c
+++ b/fs/autofs4/waitq.c
@@ -297,20 +297,14 @@ static int validate_request(struct autofs_wait_queue **wait,
          */
         if (notify == NFY_MOUNT) {
                 /*
-                 * If the dentry isn't hashed just go ahead and try the
-                 * mount again with a new wait (not much else we can do).
-                */
-                if (!d_unhashed(dentry)) {
-                        /*
-                         * But if the dentry is hashed, that means that we
-                         * got here through the revalidate path.  Thus, we
-                         * need to check if the dentry has been mounted
-                         * while we waited on the wq_mutex. If it has,
-                         * simply return success.
-                         */
-                        if (d_mountpoint(dentry))
-                                return 0;
-                }
+                 * If the dentry was successfully mounted while we slept
+                 * on the wait queue mutex we can return success. If it
+                 * isn't mounted (doesn't have submounts for the case of
+                 * a multi-mount with no mount at it's base) we can
+                 * continue on and create a new request.
+                 */
+                if (have_submounts(dentry))
+                        return 0;
         }
 
         return 1;