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 5bdf3a41b085dcbf6cd5c8e3893289419a5fbac9..20c6be63a5493503bf64c2bcc1d5b8da648c021a 100644 (file)
--- 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);