mds: reset mds_stamp for readdir, rename, link

These ops to complicated work prior to starting the real operation, like
fetching missing directories, or opening remote dirfrags, creating
snaprealms.  Reset the mds timestamp after this slow work has completed.

Signed-off-by: Sage Weil <sage@inktank.com>

diff --git a/src/mds/Server.cc b/src/mds/Server.cc
index 116971bac7e9cf47e5aa5d20d722c519ab98e1a2..fca2ea77e237888a0a5f2beb8f8ddfdc59873290 100644 (file)
--- a/src/mds/Server.cc
+++ b/src/mds/Server.cc
@@ -2886,6 +2886,7 @@ void Server::handle_client_readdir(MDRequestRef& mdr)
 #endif
 
   utime_t now = ceph_clock_now(NULL);
+  mdr->set_mds_stamp(now);
   mdr->now = ceph_clock_now(g_ceph_context);
 
   snapid_t snapid = mdr->snapid;
@@ -4404,6 +4405,8 @@ void Server::_link_remote(MDRequestRef& mdr, bool inc, CDentry *dn, CInode *targ
 
   assert(g_conf->mds_kill_link_at != 2);
 
+  mdr->set_mds_stamp(ceph_clock_now(NULL));
+
   // add to event
   mdr->ls = mdlog->get_current_segment();
   EUpdate *le = new EUpdate(mdlog, inc ? "link_remote":"unlink_remote");
@@ -5775,6 +5778,9 @@ void Server::handle_client_rename(MDRequestRef& mdr)
   if (!mdr->more()->slaves.empty() && srci->is_dir())
     assert(g_conf->mds_kill_rename_at != 4);
 
+  // -- declare now --
+  mdr->set_mds_stamp(ceph_clock_now(g_ceph_context));
+
   // -- prepare journal entry --
   mdr->ls = mdlog->get_current_segment();
   EUpdate *le = new EUpdate(mdlog, "rename");