diff options
| author | Sagi Grimberg <sagi@grimberg.me> | 2020-05-05 08:20:02 +0300 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2020-05-27 08:12:37 +0300 |
| commit | 4eea804364628c30facd99c30499b2b01c6272c6 (patch) | |
| tree | c9214fbd0e2a7259e6d7479f52a9b914e0bd32bf /drivers/nvme | |
| parent | 5bb052d7aad1f4063631f2aa05452c700139f0f3 (diff) | |
| download | linux-4eea804364628c30facd99c30499b2b01c6272c6.tar.xz | |
nvmet-tcp: set MSG_SENDPAGE_NOTLAST with MSG_MORE when we have more to send
We can signal the stack that this is not the last page coming and the
stack can build a larger tso segment, so go ahead and use it.
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'drivers/nvme')
| -rw-r--r-- | drivers/nvme/target/tcp.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/nvme/target/tcp.c b/drivers/nvme/target/tcp.c index f0da04e960f4..c08aec62115e 100644 --- a/drivers/nvme/target/tcp.c +++ b/drivers/nvme/target/tcp.c @@ -510,7 +510,7 @@ static int nvmet_try_send_data_pdu(struct nvmet_tcp_cmd *cmd) ret = kernel_sendpage(cmd->queue->sock, virt_to_page(cmd->data_pdu), offset_in_page(cmd->data_pdu) + cmd->offset, - left, MSG_DONTWAIT | MSG_MORE); + left, MSG_DONTWAIT | MSG_MORE | MSG_SENDPAGE_NOTLAST); if (ret <= 0) return ret; @@ -538,7 +538,7 @@ static int nvmet_try_send_data(struct nvmet_tcp_cmd *cmd, bool last_in_batch) 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; + flags |= MSG_MORE | MSG_SENDPAGE_NOTLAST; ret = kernel_sendpage(cmd->queue->sock, page, cmd->offset, left, flags); @@ -585,7 +585,7 @@ static int nvmet_try_send_response(struct nvmet_tcp_cmd *cmd, int ret; if (!last_in_batch && cmd->queue->send_list_len) - flags |= MSG_MORE; + flags |= MSG_MORE | MSG_SENDPAGE_NOTLAST; else flags |= MSG_EOR; @@ -614,7 +614,7 @@ static int nvmet_try_send_r2t(struct nvmet_tcp_cmd *cmd, bool last_in_batch) int ret; if (!last_in_batch && cmd->queue->send_list_len) - flags |= MSG_MORE; + flags |= MSG_MORE | MSG_SENDPAGE_NOTLAST; else flags |= MSG_EOR; |