LU-5537 ptlrpc: Fix an rq_no_reply assertion failure

[fs/lustre-release.git] / lustre / ptlrpc / service.c

diff --git a/lustre/ptlrpc/service.c b/lustre/ptlrpc/service.c
index 8747321..5b72b9f 100644 (file)
--- a/lustre/ptlrpc/service.c
+++ b/lustre/ptlrpc/service.c
@@ -1354,6 +1354,14 @@ static int ptlrpc_at_send_early_reply(struct ptlrpc_request *req)
         reqcopy->rq_reqmsg = reqmsg;
         memcpy(reqmsg, req->rq_reqmsg, req->rq_reqlen);
 
+       /*
+        * tgt_brw_read() and tgt_brw_write() may have decided not to reply.
+        * Without this check, we would fail the rq_no_reply assertion in
+        * ptlrpc_send_reply().
+        */
+       if (reqcopy->rq_no_reply)
+               GOTO(out, rc = -ETIMEDOUT);
+
        LASSERT(atomic_read(&req->rq_refcount));
        /** if it is last refcount then early reply isn't needed */
        if (atomic_read(&req->rq_refcount) == 1) {