From: Samuel Just <sjust@redhat.com>
Date: Fri, 4 Apr 2025 02:13:58 +0000 (-0700)
Subject: crimson: add operation wrapper for MOSDRepOpReply
X-Git-Url: http://git.apps.os.sepia.ceph.com/?a=commitdiff_plain;h=d4ce5404f8244925b7d3de145aa1d93a5eb465fc;p=ceph.git

crimson: add operation wrapper for MOSDRepOpReply

This should avoid reordering between cores.

Fixes: https://tracker.ceph.com/issues/69439
Signed-off-by: Samuel Just <sjust@redhat.com>
(cherry picked from commit 0c15eb5ca59c98d776091c5602888b0895df0a72)
---

diff --git a/src/crimson/osd/CMakeLists.txt b/src/crimson/osd/CMakeLists.txt
index 95511f3e8a435..4fdcb4bba32ab 100644
--- a/src/crimson/osd/CMakeLists.txt
+++ b/src/crimson/osd/CMakeLists.txt
@@ -23,6 +23,7 @@ add_executable(crimson-osd
   osd_operations/peering_event.cc
   osd_operations/pg_advance_map.cc
   osd_operations/replicated_request.cc
+  osd_operations/replicated_request_reply.cc
   osd_operations/logmissing_request.cc
   osd_operations/logmissing_request_reply.cc
   osd_operations/background_recovery.cc
diff --git a/src/crimson/osd/osd.cc b/src/crimson/osd/osd.cc
index 0ae90919179ff..a90f00291591e 100644
--- a/src/crimson/osd/osd.cc
+++ b/src/crimson/osd/osd.cc
@@ -58,6 +58,7 @@
 #include "crimson/osd/osd_operations/pg_advance_map.h"
 #include "crimson/osd/osd_operations/recovery_subrequest.h"
 #include "crimson/osd/osd_operations/replicated_request.h"
+#include "crimson/osd/osd_operations/replicated_request_reply.h"
 #include "crimson/osd/osd_operations/scrub_events.h"
 #include "crimson/osd/osd_operation_external_tracking.h"
 #include "crimson/crush/CrushLocation.h"
@@ -1437,19 +1438,9 @@ seastar::future<> OSD::handle_rep_op_reply(
   crimson::net::ConnectionRef conn,
   Ref<MOSDRepOpReply> m)
 {
-  LOG_PREFIX(OSD::handle_rep_op_reply);
-  spg_t pgid = m->get_spg();
-  return pg_shard_manager.with_pg(
-    pgid,
-    [FNAME, m=std::move(m)](auto &&pg) {
-      if (pg) {
-	m->finish_decode();
-	pg->handle_rep_op_reply(*m);
-      } else {
-	DEBUG("stale reply: {}", *m);
-      }
-      return seastar::now();
-    });
+  return pg_shard_manager.start_pg_operation_active<ReplicatedRequestReply>(
+    std::move(conn),
+    std::move(m));
 }
 
 seastar::future<> OSD::handle_scrub_command(
diff --git a/src/crimson/osd/osd_operation.h b/src/crimson/osd/osd_operation.h
index 33f3b10ee9b0a..11a32af857c28 100644
--- a/src/crimson/osd/osd_operation.h
+++ b/src/crimson/osd/osd_operation.h
@@ -90,6 +90,7 @@ enum class OperationTypeCode {
   pg_advance_map,
   pg_creation,
   replicated_request,
+  replicated_request_reply,
   background_recovery,
   background_recovery_sub,
   internal_client_request,
@@ -114,6 +115,7 @@ static constexpr const char* const OP_NAMES[] = {
   "pg_advance_map",
   "pg_creation",
   "replicated_request",
+  "replicated_request_reply",
   "background_recovery",
   "background_recovery_sub",
   "internal_client_request",
diff --git a/src/crimson/osd/osd_operations/replicated_request_reply.cc b/src/crimson/osd/osd_operations/replicated_request_reply.cc
new file mode 100644
index 0000000000000..8278651fad9e3
--- /dev/null
+++ b/src/crimson/osd/osd_operations/replicated_request_reply.cc
@@ -0,0 +1,48 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+
+#include "replicated_request_reply.h"
+
+#include "common/Formatter.h"
+
+#include "crimson/osd/pg.h"
+#include "crimson/osd/replicated_backend.h"
+
+SET_SUBSYS(osd);
+
+namespace crimson::osd {
+
+ReplicatedRequestReply::ReplicatedRequestReply(
+  crimson::net::ConnectionRef&& conn,
+  Ref<MOSDRepOpReply> &&req)
+  : RemoteOperation{std::move(conn)},
+    req{std::move(req)}
+{}
+
+void ReplicatedRequestReply::print(std::ostream& os) const
+{
+  os << "ReplicatedRequestReply("
+     << " req=" << *req
+     << ")";
+}
+
+void ReplicatedRequestReply::dump_detail(Formatter *f) const
+{
+  f->open_object_section("ReplicatedRequestReply");
+  f->dump_stream("pgid") << req->get_spg();
+  f->dump_unsigned("map_epoch", req->get_map_epoch());
+  f->dump_unsigned("min_epoch", req->get_min_epoch());
+  f->close_section();
+}
+
+seastar::future<> ReplicatedRequestReply::with_pg(
+  ShardServices &shard_services, Ref<PG> pgref)
+{
+  LOG_PREFIX(ReplicatedRequestReply::with_pg);
+  DEBUGDPP("{}", *pgref, *this);
+  req->finish_decode();
+  pgref->handle_rep_op_reply(*req);
+  return seastar::now();
+}
+
+}
diff --git a/src/crimson/osd/osd_operations/replicated_request_reply.h b/src/crimson/osd/osd_operations/replicated_request_reply.h
new file mode 100644
index 0000000000000..3c33e64ac8a19
--- /dev/null
+++ b/src/crimson/osd/osd_operations/replicated_request_reply.h
@@ -0,0 +1,51 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+
+#pragma once
+
+#include "crimson/net/Connection.h"
+#include "crimson/osd/osd_operation.h"
+#include "crimson/common/type_helpers.h"
+#include "messages/MOSDRepOpReply.h"
+
+namespace ceph {
+  class Formatter;
+}
+
+namespace crimson::osd {
+
+class ShardServices;
+
+class OSD;
+class PG;
+
+class ReplicatedRequestReply final
+  : public OperationT<ReplicatedRequestReply>,
+    public RemoteOperation
+{
+public:
+  static constexpr OperationTypeCode type =
+    OperationTypeCode::replicated_request_reply;
+  ReplicatedRequestReply(crimson::net::ConnectionRef&&, Ref<MOSDRepOpReply>&&);
+
+  void print(std::ostream &) const final;
+  void dump_detail(ceph::Formatter* f) const final;
+
+  spg_t get_pgid() const {
+    return req->get_spg();
+  }
+
+  seastar::future<> with_pg(
+    ShardServices &shard_services, Ref<PG> pg);
+
+  PipelineHandle &get_handle() { return handle; }
+private:
+  PipelineHandle handle;
+  Ref<MOSDRepOpReply> req;
+};
+
+}
+
+#if FMT_VERSION >= 90000
+template <> struct fmt::formatter<crimson::osd::ReplicatedRequestReply> : fmt::ostream_formatter {};
+#endif