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-rw-r--r--fs/autofs4/waitq.c22
1 files changed, 8 insertions, 14 deletions
diff --git a/fs/autofs4/waitq.c b/fs/autofs4/waitq.c
index eeb24684590..2341375386f 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;