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nvme: merge nvme_keep_alive into nvme_keep_alive_work

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Merge nvme_keep_alive into its only caller to prepare for additional
changes to this code.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Daniel Wagner <dwagner@suse.de>
This commit is contained in:
Christoph Hellwig 2021-03-03 13:46:06 +01:00
parent ed01fee283
commit 06c3c3365b
1 changed files with 8 additions and 18 deletions
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26
drivers/nvme/host/core.c
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@ -1226,28 +1226,12 @@ static void nvme_keep_alive_end_io(struct request *rq, blk_status_t status)
queue_delayed_work(nvme_wq, &ctrl->ka_work, ctrl->kato * HZ);
}
static int nvme_keep_alive(struct nvme_ctrl *ctrl)
{
struct request *rq;
rq = nvme_alloc_request(ctrl->admin_q, &ctrl->ka_cmd,
BLK_MQ_REQ_RESERVED);
if (IS_ERR(rq))
return PTR_ERR(rq);
rq->timeout = ctrl->kato * HZ;
rq->end_io_data = ctrl;
blk_execute_rq_nowait(NULL, rq, 0, nvme_keep_alive_end_io);
return 0;
}
static void nvme_keep_alive_work(struct work_struct *work)
{
struct nvme_ctrl *ctrl = container_of(to_delayed_work(work),
struct nvme_ctrl, ka_work);
bool comp_seen = ctrl->comp_seen;
struct request *rq;
if ((ctrl->ctratt & NVME_CTRL_ATTR_TBKAS) && comp_seen) {
dev_dbg(ctrl->device,
@ -1257,12 +1241,18 @@ static void nvme_keep_alive_work(struct work_struct *work)
return;
}
if (nvme_keep_alive(ctrl)) {
rq = nvme_alloc_request(ctrl->admin_q, &ctrl->ka_cmd,
BLK_MQ_REQ_RESERVED);
if (IS_ERR(rq)) {
/* allocation failure, reset the controller */
dev_err(ctrl->device, "keep-alive failed\n");
nvme_reset_ctrl(ctrl);
return;
}
rq->timeout = ctrl->kato * HZ;
rq->end_io_data = ctrl;
blk_execute_rq_nowait(NULL, rq, 0, nvme_keep_alive_end_io);
}
static void nvme_start_keep_alive(struct nvme_ctrl *ctrl)