From b57dadc2dd577fb8ce21975722cdfa2f010cd718 Mon Sep 17 00:00:00 2001
From: Frederic Robra
Date: Fri, 8 Nov 2019 13:49:47 +0100
Subject: added timeout and small bug when reqeuing in send

---
 src/kernel/net-txrx.c | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

(limited to 'src/kernel/net-txrx.c')

diff --git a/src/kernel/net-txrx.c b/src/kernel/net-txrx.c
index 87a9169..27b07ea 100644
--- a/src/kernel/net-txrx.c
+++ b/src/kernel/net-txrx.c
@@ -165,14 +165,20 @@ int dnbd3_send_request(struct dnbd3_sock *sock, struct request *req,
 	lng = iov_num == 1 ? iov[0].iov_len : iov[0].iov_len + iov[1].iov_len;
 	if (unlikely(!sock->sock)) {
 		warn_sock(sock, "socket was shutdown while sending");
+		result = -EIO;
 		goto error;
 	}
 	result = kernel_sendmsg(sock->sock, &msg, iov, iov_num, lng);
 	if (result != lng) {
 		error_sock(sock, "connection to server lost");
-		if (cmd) {
-			dnbd3_requeue_cmd(cmd);
-		}
+		/*
+		 * this triggers:
+		 * kernel BUG at block/blk-mq.c:704!
+		 * command will be reqeued by timeout
+		 */
+//		if (cmd) {
+//			dnbd3_requeue_cmd(cmd);
+//		}
 		sock->server->failures++;
 		goto error;
 	}
-- 
cgit v1.2.3-55-g7522