diff options
| author |   Sagi Grimberg <sagi@grimberg.me> | 2021-01-14 13:15:24 -0800 |
|---|---|---|
| committer |   Christoph Hellwig <hch@lst.de> | 2021-02-02 10:26:11 +0100 |
| commit | cb9b870fba3eba57cf3bcd7c6c4d4aa88bc5fe70 (patch) | |
| tree | 0218fb0a67198d493fa9ae07637a77a516260dc4 /drivers/nvme | |
| parent | nvme: support command retry delay for admin command (diff) | |
| download | linux-dev-cb9b870fba3eba57cf3bcd7c6c4d4aa88bc5fe70.tar.xz linux-dev-cb9b870fba3eba57cf3bcd7c6c4d4aa88bc5fe70.zip | |
nvme-tcp: fix wrong setting of request iov_iter
We might set the iov_iter direction wrong, which is harmless for this
use-case, but get it right. Also this makes the code slightly cleaner.
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/host/tcp.c | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/drivers/nvme/host/tcp.c b/drivers/nvme/host/tcp.c index 881d28eb15e9..4367923d03e4 100644 --- a/drivers/nvme/host/tcp.c +++ b/drivers/nvme/host/tcp.c @@ -983,7 +983,6 @@ static int nvme_tcp_try_send_cmd_pdu(struct nvme_tcp_request *req) req->state = NVME_TCP_SEND_DATA; if (queue->data_digest) crypto_ahash_init(queue->snd_hash); - nvme_tcp_init_iter(req, WRITE); } else { nvme_tcp_done_send_req(queue); } @@ -1016,8 +1015,6 @@ static int nvme_tcp_try_send_data_pdu(struct nvme_tcp_request *req) req->state = NVME_TCP_SEND_DATA; if (queue->data_digest) crypto_ahash_init(queue->snd_hash); - if (!req->data_sent) - nvme_tcp_init_iter(req, WRITE); return 1; } req->offset += ret; @@ -2268,12 +2265,12 @@ static blk_status_t nvme_tcp_setup_cmd_pdu(struct nvme_ns *ns, req->data_len = blk_rq_nr_phys_segments(rq) ? blk_rq_payload_bytes(rq) : 0; req->curr_bio = rq->bio; + if (req->curr_bio) + nvme_tcp_init_iter(req, rq_data_dir(rq)); if (rq_data_dir(rq) == WRITE && req->data_len <= nvme_tcp_inline_data_size(queue)) req->pdu_len = req->data_len; - else if (req->curr_bio) - nvme_tcp_init_iter(req, READ); pdu->hdr.type = nvme_tcp_cmd; pdu->hdr.flags = 0; |