From 6e829a3a7c7aaff78142514fde7703cad48953fd Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@redhat.com>
Date: Sun, 1 Oct 2017 15:05:40 -0500
Subject: [PATCH] osd: make note about when we get MBackfillReserve REJECT
 messages

Signed-off-by: Sage Weil <sage@redhat.com>
---
 src/osd/OSD.cc | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/osd/OSD.cc b/src/osd/OSD.cc
index 6524e1e9a2d..dd72fbb29f9 100644
--- a/src/osd/OSD.cc
+++ b/src/osd/OSD.cc
@@ -8679,6 +8679,8 @@ void OSD::handle_pg_backfill_reserve(OpRequestRef op)
 	m->query_epoch,
 	PG::RemoteBackfillReserved()));
   } else if (m->type == MBackfillReserve::REJECT) {
+    // NOTE: this is replica -> primary "i reject your request"
+    //      and also primary -> replica "cancel my previously-granted request"
     evt = PG::CephPeeringEvtRef(
       new PG::CephPeeringEvt(
 	m->query_epoch,
-- 
2.39.5