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path: root/drivers/nvme/target/tcp.c
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Diffstat (limited to 'drivers/nvme/target/tcp.c')
-rw-r--r--drivers/nvme/target/tcp.c12
1 files changed, 9 insertions, 3 deletions
diff --git a/drivers/nvme/target/tcp.c b/drivers/nvme/target/tcp.c
index af674fc0bb1e..5bb5342b8d0c 100644
--- a/drivers/nvme/target/tcp.c
+++ b/drivers/nvme/target/tcp.c
@@ -515,7 +515,7 @@ static int nvmet_try_send_data_pdu(struct nvmet_tcp_cmd *cmd)
return 1;
}
-static int nvmet_try_send_data(struct nvmet_tcp_cmd *cmd)
+static int nvmet_try_send_data(struct nvmet_tcp_cmd *cmd, bool last_in_batch)
{
struct nvmet_tcp_queue *queue = cmd->queue;
int ret;
@@ -523,9 +523,15 @@ static int nvmet_try_send_data(struct nvmet_tcp_cmd *cmd)
while (cmd->cur_sg) {
struct page *page = sg_page(cmd->cur_sg);
u32 left = cmd->cur_sg->length - cmd->offset;
+ int flags = MSG_DONTWAIT;
+
+ if ((!last_in_batch && cmd->queue->send_list_len) ||
+ cmd->wbytes_done + left < cmd->req.transfer_len ||
+ queue->data_digest || !queue->nvme_sq.sqhd_disabled)
+ flags |= MSG_MORE;
ret = kernel_sendpage(cmd->queue->sock, page, cmd->offset,
- left, MSG_DONTWAIT | MSG_MORE);
+ left, flags);
if (ret <= 0)
return ret;
@@ -660,7 +666,7 @@ static int nvmet_tcp_try_send_one(struct nvmet_tcp_queue *queue,
}
if (cmd->state == NVMET_TCP_SEND_DATA) {
- ret = nvmet_try_send_data(cmd);
+ ret = nvmet_try_send_data(cmd, last_in_batch);
if (ret <= 0)
goto done_send;
}