From: Yan, Zheng <zyan@redhat.com>
Date: Wed, 25 Jan 2017 03:03:45 +0000 (+0800)
Subject: mds: skip fragment space check for replayed request
X-Git-Tag: v12.0.0~72^2~1
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=afe889cbc5baab196567c2aad01f49fe90901fda;p=ceph.git

mds: skip fragment space check for replayed request

when handling replayed request, stray directory can be different
from the stray directory used by the original request. The fragment
space check for stray directory can fail.

Fixes: http://tracker.ceph.com/issues/18660
Signed-off-by: "Yan, Zheng" <zyan@redhat.com>
---

diff --git a/src/mds/Server.cc b/src/mds/Server.cc
index 5bdf3a41b08..20c6be63a54 100644
--- a/src/mds/Server.cc
+++ b/src/mds/Server.cc
@@ -2289,7 +2289,8 @@ CDentry* Server::prepare_stray_dentry(MDRequestRef& mdr, CInode *in)
 
   CDir *straydir = mdcache->get_stray_dir(in);
 
-  if (!check_fragment_space(mdr, straydir))
+  if (!mdr->client_request->is_replay() &&
+      !check_fragment_space(mdr, straydir))
     return NULL;
 
   straydn = mdcache->get_or_create_stray_dentry(in);