From: Patrick Donnelly <pdonnell@redhat.com>
Date: Tue, 9 Jan 2024 19:06:39 +0000 (-0500)
Subject: mds: annotate mdr with try_rdlock_snap_layout failure
X-Git-Tag: testing/wip-pdonnell-testing-20240411.192023-squid-debug~84^2~48
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=ef00ee650191b792e62ea989924b53525ee03328;p=ceph-ci.git

mds: annotate mdr with try_rdlock_snap_layout failure

Signed-off-by: Patrick Donnelly <pdonnell@redhat.com>
(cherry picked from commit 6fa38e4e4ff230ca2a1c6d2de63d561d7cfee826)
---

diff --git a/src/mds/Locker.cc b/src/mds/Locker.cc
index d80458e551d..0391739d823 100644
--- a/src/mds/Locker.cc
+++ b/src/mds/Locker.cc
@@ -161,6 +161,7 @@ bool Locker::try_rdlock_snap_layout(CInode *in, const MDRequestRef& mdr,
 
     if (!found_locked) {
       if (!t->snaplock.can_rdlock(client)) {
+        mdr->mark_event("failed to acquire snap lock");
 	t->snaplock.add_waiter(SimpleLock::WAIT_RD, new C_MDS_RetryRequest(mdcache, mdr));
 	goto failed;
       }
@@ -171,6 +172,7 @@ bool Locker::try_rdlock_snap_layout(CInode *in, const MDRequestRef& mdr,
     if (want_layout && !found_layout) {
       if (!mdr->is_rdlocked(&t->policylock)) {
 	if (!t->policylock.can_rdlock(client)) {
+          mdr->mark_event("failed to acquire policy lock");
 	  t->policylock.add_waiter(SimpleLock::WAIT_RD, new C_MDS_RetryRequest(mdcache, mdr));
 	  goto failed;
 	}