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nvme-core: optionally poll sync commands

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Pass poll bool to indicate that we need it to poll. This prepares us for
polling support in nvmf since connect is an I/O that will be queued
and has to be polled in order to complete. If poll is passed,
we call nvme_execute_rq_polled which sends the requests and polls
for its completion.

Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Sagi Grimberg 2018-12-14 11:06:07 -08:00 • committed by Christoph Hellwig
parent 7b7ab780a0
commit 6287b51c77
3 changed files with 39 additions and 11 deletions
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10
drivers/nvme/host/fabrics.c
View file

@ -159,7 +159,7 @@ int nvmf_reg_read32(struct nvme_ctrl *ctrl, u32 off, u32 *val)
cmd.prop_get.offset = cpu_to_le32(off);
ret = __nvme_submit_sync_cmd(ctrl->admin_q, &cmd, &res, NULL, 0, 0,
NVME_QID_ANY, 0, 0);
NVME_QID_ANY, 0, 0, false);
if (ret >= 0)
*val = le64_to_cpu(res.u64);
@ -206,7 +206,7 @@ int nvmf_reg_read64(struct nvme_ctrl *ctrl, u32 off, u64 *val)
cmd.prop_get.offset = cpu_to_le32(off);
ret = __nvme_submit_sync_cmd(ctrl->admin_q, &cmd, &res, NULL, 0, 0,
NVME_QID_ANY, 0, 0);
NVME_QID_ANY, 0, 0, false);
if (ret >= 0)
*val = le64_to_cpu(res.u64);
@ -252,7 +252,7 @@ int nvmf_reg_write32(struct nvme_ctrl *ctrl, u32 off, u32 val)
cmd.prop_set.value = cpu_to_le64(val);
ret = __nvme_submit_sync_cmd(ctrl->admin_q, &cmd, NULL, NULL, 0, 0,
NVME_QID_ANY, 0, 0);
NVME_QID_ANY, 0, 0, false);
if (unlikely(ret))
dev_err(ctrl->device,
"Property Set error: %d, offset %#x\n",
@ -406,7 +406,7 @@ int nvmf_connect_admin_queue(struct nvme_ctrl *ctrl)
ret = __nvme_submit_sync_cmd(ctrl->admin_q, &cmd, &res,
data, sizeof(*data), 0, NVME_QID_ANY, 1,
BLK_MQ_REQ_RESERVED | BLK_MQ_REQ_NOWAIT);
BLK_MQ_REQ_RESERVED | BLK_MQ_REQ_NOWAIT, false);
if (ret) {
nvmf_log_connect_error(ctrl, ret, le32_to_cpu(res.u32),
&cmd, data);
@ -468,7 +468,7 @@ int nvmf_connect_io_queue(struct nvme_ctrl *ctrl, u16 qid)
ret = __nvme_submit_sync_cmd(ctrl->connect_q, &cmd, &res,
data, sizeof(*data), 0, qid, 1,
BLK_MQ_REQ_RESERVED | BLK_MQ_REQ_NOWAIT);
BLK_MQ_REQ_RESERVED | BLK_MQ_REQ_NOWAIT, false);
if (ret) {
nvmf_log_connect_error(ctrl, ret, le32_to_cpu(res.u32),
&cmd, data);