From: Neha Ojha <nojha@redhat.com>
Date: Thu, 21 Mar 2019 22:12:20 +0000 (-0700)
Subject: osd/PGLog.h: print olog_can_rollback_to before deciding to rollback
X-Git-Tag: v12.2.13~238^2~3
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=b4537a491b0c6929f87a31e3eca96dccfd8fced7;p=ceph.git

osd/PGLog.h: print olog_can_rollback_to before deciding to rollback

This is particularly important as the crt might have changed before
being passed to merge_object_divergent_entries().

Fixes: http://tracker.ceph.com/issues/38894
Signed-off-by: Neha Ojha <nojha@redhat.com>
(cherry picked from commit aa49c57f3942c676d333e1841886881af125ea01)
---

diff --git a/src/osd/PGLog.h b/src/osd/PGLog.h
index 6f85ee1f1a55..2c7a1c992a85 100644
--- a/src/osd/PGLog.h
+++ b/src/osd/PGLog.h
@@ -1000,6 +1000,11 @@ protected:
 		       << " attempting to rollback"
 		       << dendl;
     bool can_rollback = true;
+    // We are going to make an important decision based on the
+    // olog_can_rollback_to value we have received, better known it.
+    ldpp_dout(dpp, 10) << __func__ << ": hoid " << hoid
+                       << " olog_can_rollback_to: "
+                       << olog_can_rollback_to << dendl;
     /// Distinguish between 4) and 5)
     for (list<pg_log_entry_t>::const_reverse_iterator i = entries.rbegin();
 	 i != entries.rend();