From: Sagi Grimberg <sagi@grimberg.me>
Date: Wed, 13 May 2020 01:01:43 +0000 (-0700)
Subject: nvmet-tcp: set MSG_EOR if we send last payload in the batch
X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=f381ab1f26aa33f14412cb9b7cb7f947b88a55b2;p=uclinux-h8%2Flinux.git

nvmet-tcp: set MSG_EOR if we send last payload in the batch

when trying to send the pdu data digest, we should set this
flag.

Reported-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>
---

diff --git a/drivers/nvme/target/tcp.c b/drivers/nvme/target/tcp.c
index c08aec62115e..f8dd69f3b657 100644
--- a/drivers/nvme/target/tcp.c
+++ b/drivers/nvme/target/tcp.c
@@ -644,6 +644,8 @@ static int nvmet_try_send_ddgst(struct nvmet_tcp_cmd *cmd, bool last_in_batch)
 
 	if (!last_in_batch && cmd->queue->send_list_len)
 		msg.msg_flags |= MSG_MORE;
+	else
+		msg.msg_flags |= MSG_EOR;
 
 	ret = kernel_sendmsg(queue->sock, &msg, &iov, 1, iov.iov_len);
 	if (unlikely(ret <= 0))