mds: attach quiesce_path mdr to finisher at creation not dispatch

No functional difference but this is cleaner.

Signed-off-by: Patrick Donnelly <[email protected]>

Author: batrick

src/mds/MDCache.cc

@@ -13761,6 +13761,7 @@ void MDCache::dispatch_quiesce_path(const MDRequestRef& mdr)
   dout(5) << __func__ << ": dispatching" << dendl;
 
   C_MDS_QuiescePath* qfinisher = static_cast<C_MDS_QuiescePath*>(mdr->internal_op_finish);
+  ceph_assert(qfinisher->mdr == mdr);
   auto& qs = *qfinisher->qs;
   auto delay = g_conf().get_val<std::chrono::milliseconds>("mds_cache_quiesce_delay");
   auto splitauth = g_conf().get_val<bool>("mds_cache_quiesce_splitauth");
@@ -13791,8 +13792,6 @@ void MDCache::dispatch_quiesce_path(const MDRequestRef& mdr)
     return;
   }
 
-  qfinisher->mdr = mdr;
-
   {
     int myrc = 0;
     for (auto& [qimdr, rc] : qs.get_failed()) {
@@ -13842,6 +13841,7 @@ MDRequestRef MDCache::quiesce_path(filepath p, C_MDS_QuiescePath* c, Formatter *
   MDRequestRef mdr = request_start_internal(CEPH_MDS_OP_QUIESCE_PATH);
   mdr->set_filepath(p);
   mdr->internal_op_finish = c;
+  c->mdr = mdr;
 
   if (delay > 0ms) {
     mds->timer.add_event_after(delay, new LambdaContext([cache=this,mdr=mdr](int r) {