diff --git a/src/osd/OSD.cc b/src/osd/OSD.cc
index 9bd7206ed6d..b3204e6996a 100644
--- a/src/osd/OSD.cc
+++ b/src/osd/OSD.cc
@@ -82,6 +82,10 @@
 #include "messages/MOSDPGMissing.h"
 #include "messages/MBackfillReserve.h"
 #include "messages/MRecoveryReserve.h"
+#include "messages/MOSDECSubOpWrite.h"
+#include "messages/MOSDECSubOpWriteReply.h"
+#include "messages/MOSDECSubOpRead.h"
+#include "messages/MOSDECSubOpReadReply.h"
 
 #include "messages/MOSDAlive.h"
 
@@ -4767,6 +4771,18 @@ void OSD::dispatch_op(OpRequestRef op)
   case MSG_OSD_PG_PUSH_REPLY:
     handle_replica_op<MOSDPGPushReply, MSG_OSD_PG_PUSH_REPLY>(op);
     break;
+  case MSG_OSD_EC_WRITE:
+    handle_replica_op<MOSDECSubOpWrite, MSG_OSD_EC_WRITE>(op);
+    break;
+  case MSG_OSD_EC_WRITE_REPLY:
+    handle_replica_op<MOSDECSubOpWriteReply, MSG_OSD_EC_WRITE_REPLY>(op);
+    break;
+  case MSG_OSD_EC_READ:
+    handle_replica_op<MOSDECSubOpRead, MSG_OSD_EC_READ>(op);
+    break;
+  case MSG_OSD_EC_READ_REPLY:
+    handle_replica_op<MOSDECSubOpReadReply, MSG_OSD_EC_READ_REPLY>(op);
+    break;
   }
 }
 
diff --git a/src/osd/PG.cc b/src/osd/PG.cc
index 6cc476ea1f9..2752aa5324f 100644
--- a/src/osd/PG.cc
+++ b/src/osd/PG.cc
@@ -33,6 +33,10 @@
 #include "messages/MOSDPGPush.h"
 #include "messages/MOSDPGPushReply.h"
 #include "messages/MOSDPGPull.h"
+#include "messages/MOSDECSubOpWrite.h"
+#include "messages/MOSDECSubOpWriteReply.h"
+#include "messages/MOSDECSubOpRead.h"
+#include "messages/MOSDECSubOpReadReply.h"
 
 #include "messages/MOSDSubOp.h"
 #include "messages/MOSDSubOpReply.h"
@@ -4979,9 +4983,18 @@ bool PG::can_discard_request(OpRequestRef op)
     return can_discard_replica_op<MOSDPGPushReply, MSG_OSD_PG_PUSH_REPLY>(op);
   case MSG_OSD_SUBOPREPLY:
     return false;
+
+  case MSG_OSD_EC_WRITE:
+    return can_discard_replica_op<MOSDECSubOpWrite, MSG_OSD_EC_WRITE>(op);
+  case MSG_OSD_EC_WRITE_REPLY:
+    return can_discard_replica_op<MOSDECSubOpWriteReply, MSG_OSD_EC_WRITE_REPLY>(op);
+  case MSG_OSD_EC_READ:
+    return can_discard_replica_op<MOSDECSubOpRead, MSG_OSD_EC_READ>(op);
+  case MSG_OSD_EC_READ_REPLY:
+    return can_discard_replica_op<MOSDECSubOpReadReply, MSG_OSD_EC_READ_REPLY>(op);
+
   case MSG_OSD_PG_SCAN:
     return can_discard_scan(op);
-
   case MSG_OSD_PG_BACKFILL:
     return can_discard_backfill(op);
   }
@@ -5040,6 +5053,26 @@ bool PG::op_must_wait_for_map(OSDMapRef curmap, OpRequestRef op)
     return !have_same_or_newer_map(
       curmap,
       static_cast<MOSDPGPushReply*>(op->get_req())->map_epoch);
+
+  case MSG_OSD_EC_WRITE:
+    return !have_same_or_newer_map(
+      curmap,
+      static_cast<MOSDECSubOpWrite*>(op->get_req())->map_epoch);
+
+  case MSG_OSD_EC_WRITE_REPLY:
+    return !have_same_or_newer_map(
+      curmap,
+      static_cast<MOSDECSubOpWriteReply*>(op->get_req())->map_epoch);
+
+  case MSG_OSD_EC_READ:
+    return !have_same_or_newer_map(
+      curmap,
+      static_cast<MOSDECSubOpRead*>(op->get_req())->map_epoch);
+
+  case MSG_OSD_EC_READ_REPLY:
+    return !have_same_or_newer_map(
+      curmap,
+      static_cast<MOSDECSubOpReadReply*>(op->get_req())->map_epoch);
   }
   assert(0);
   return false;