LU-13899 tgt: drop old epoch request

[fs/lustre-release.git] / lustre / target / tgt_handler.c

diff --git a/lustre/target/tgt_handler.c b/lustre/target/tgt_handler.c
index 593fa72..83ecb5f 100644 (file)
--- a/lustre/target/tgt_handler.c
+++ b/lustre/target/tgt_handler.c
@@ -684,8 +684,15 @@ static int process_req_last_xid(struct ptlrpc_request *req)
         * replay request will have the larger xid than "exp_last_xid"
         */
        if (req->rq_export->exp_conn_cnt >
-           lustre_msg_get_conn_cnt(req->rq_reqmsg))
+           lustre_msg_get_conn_cnt(req->rq_reqmsg)) {
+               CDEBUG(D_RPCTRACE,
+                      "Dropping request %llu from an old epoch %u/%u\n",
+                      req->rq_xid,
+                      lustre_msg_get_conn_cnt(req->rq_reqmsg),
+                      req->rq_export->exp_conn_cnt);
+               req->rq_no_reply = 1;
                GOTO(out, rc = -ESTALE);
+       }
 
        /* try to release in-memory reply data */
        if (tgt_is_multimodrpcs_client(exp)) {