From 501aa74d5599cddc73fe787c308871b47681bc29 Mon Sep 17 00:00:00 2001
From: Kamoltat <ksirivad@redhat.com>
Date: Wed, 31 Jan 2024 15:25:10 +0000
Subject: [PATCH] src/osd/OSDMap.cc: Fix encoder to produce same bytestream

Fixes: https://tracker.ceph.com/issues/63389

Signed-off-by: Kamoltat <ksirivad@redhat.com>
(cherry picked from commit a3bdffb4e0366af8288258539f17bafeae17e3c4)
---
 src/osd/OSDMap.cc | 11 +++++++----
 src/osd/OSDMap.h  |  3 ++-
 2 files changed, 9 insertions(+), 5 deletions(-)

diff --git a/src/osd/OSDMap.cc b/src/osd/OSDMap.cc
index b5829bc3b71a7..116ccea047f91 100644
--- a/src/osd/OSDMap.cc
+++ b/src/osd/OSDMap.cc
@@ -588,9 +588,9 @@ void OSDMap::Incremental::encode(ceph::buffer::list& bl, uint64_t features) cons
       v = 5;
     } else if (!HAVE_FEATURE(features, SERVER_NAUTILUS)) {
       v = 6;
-    } /* else if (!HAVE_FEATURE(features, SERVER_REEF)) {
+    } else if (!HAVE_FEATURE(features, SERVER_REEF)) {
       v = 8;
-    } */
+    }
     ENCODE_START(v, 1, bl); // client-usable data
     encode(fsid, bl);
     encode(epoch, bl);
@@ -3021,6 +3021,9 @@ bool OSDMap::primary_changed_broken(
 uint64_t OSDMap::get_encoding_features() const
 {
   uint64_t f = SIGNIFICANT_FEATURES;
+  if (require_osd_release < ceph_release_t::reef) {
+    f &= ~CEPH_FEATURE_SERVER_REEF;
+  }
   if (require_osd_release < ceph_release_t::octopus) {
     f &= ~CEPH_FEATURE_SERVER_OCTOPUS;
   }
@@ -3200,9 +3203,9 @@ void OSDMap::encode(ceph::buffer::list& bl, uint64_t features) const
       v = 6;
     } else if (!HAVE_FEATURE(features, SERVER_NAUTILUS)) {
       v = 7;
-    } /* else if (!HAVE_FEATURE(features, SERVER_REEF)) {
+    } else if (!HAVE_FEATURE(features, SERVER_REEF)) {
       v = 9;
-    } */
+    }
     ENCODE_START(v, 1, bl); // client-usable data
     // base
     encode(fsid, bl);
diff --git a/src/osd/OSDMap.h b/src/osd/OSDMap.h
index 0378afdc186dd..97d6b7e1b8bfe 100644
--- a/src/osd/OSDMap.h
+++ b/src/osd/OSDMap.h
@@ -570,7 +570,8 @@ private:
     CEPH_FEATUREMASK_SERVER_LUMINOUS |
     CEPH_FEATUREMASK_SERVER_MIMIC |
     CEPH_FEATUREMASK_SERVER_NAUTILUS |
-    CEPH_FEATUREMASK_SERVER_OCTOPUS;
+    CEPH_FEATUREMASK_SERVER_OCTOPUS |
+    CEPH_FEATUREMASK_SERVER_REEF;
 
   struct addrs_s {
     mempool::osdmap::vector<std::shared_ptr<entity_addrvec_t> > client_addrs;
-- 
2.39.5