From: Matan Breizman <mbreizma@redhat.com>
Date: Sun, 19 Feb 2023 11:35:03 +0000 (+0000)
Subject: crimson/osd/pg: Add can_discard_op case
X-Git-Tag: v18.1.0~87^2~5
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=0ba04401ac4ad88f21d82af36744b43331ce4ef2;p=ceph.git

crimson/osd/pg: Add can_discard_op case

discard op in the case where same_primary_since is later than
the MOSDOp's map epoch

Signed-off-by: Matan Breizman <mbreizma@redhat.com>
(cherry picked from commit c6ab21791545598473bd044ce602eea2bba892d3)
---

diff --git a/src/crimson/osd/pg.cc b/src/crimson/osd/pg.cc
index 52aee483560..9400f1a2600 100644
--- a/src/crimson/osd/pg.cc
+++ b/src/crimson/osd/pg.cc
@@ -1452,6 +1452,13 @@ void PG::context_registry_on_change() {
 }
 
 bool PG::can_discard_op(const MOSDOp& m) const {
+  if (m.get_map_epoch() <
+      peering_state.get_info().history.same_primary_since) {
+    logger().debug("{} changed after {} dropping {} ",
+                   __func__ , m.get_map_epoch(), m);
+    return true;
+  }
+
   if ((m.get_flags() & (CEPH_OSD_FLAG_BALANCE_READS |
                         CEPH_OSD_FLAG_LOCALIZE_READS))
     && !is_primary()