From: Venky Shankar <vshankar@redhat.com>
Date: Thu, 16 Nov 2023 07:42:37 +0000 (-0500)
Subject: mds: add debug when trying to merge directory fragments
X-Git-Tag: v18.2.4~70^2~2
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=ca0823a371b1aac47e37a56202c1256c76196944;p=ceph.git

mds: add debug when trying to merge directory fragments

Helps in debugging why a dirfrag is getting merged.

Signed-off-by: Venky Shankar <vshankar@redhat.com>
(cherry picked from commit 2f931f5114df7166bd2b6453cb23df70970c5fd5)
---

diff --git a/src/mds/MDBalancer.cc b/src/mds/MDBalancer.cc
index dffbf208e513..da785179e7d0 100644
--- a/src/mds/MDBalancer.cc
+++ b/src/mds/MDBalancer.cc
@@ -686,7 +686,12 @@ void MDBalancer::queue_merge(CDir *dir)
       }
       bool all = true;
       for (auto& sib : sibs) {
-        if (!sib->is_auth() || !sib->should_merge()) {
+	auto is_auth = sib->is_auth();
+	auto should_merge = sib->should_merge();
+
+	dout(20) << ": sib=" << *sib << ", is_auth=" << is_auth << ", should_merge="
+		 << should_merge << dendl;
+        if (!is_auth || !should_merge) {
           all = false;
           break;
         }