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path: root/drivers/nvme/host/core.c
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Diffstat (limited to 'drivers/nvme/host/core.c')
-rw-r--r--drivers/nvme/host/core.c23
1 files changed, 10 insertions, 13 deletions
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index 17c4ca591817..c3f94eb90669 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -575,6 +575,9 @@ EXPORT_SYMBOL_NS_GPL(nvme_put_ns, NVME_TARGET_PASSTHRU);
static inline void nvme_clear_nvme_request(struct request *req)
{
+ struct nvme_command *cmd = nvme_req(req)->cmd;
+
+ memset(cmd, 0, sizeof(*cmd));
nvme_req(req)->retries = 0;
nvme_req(req)->flags = 0;
req->rq_flags |= RQF_DONTPREP;
@@ -593,9 +596,12 @@ static inline void nvme_init_request(struct request *req,
else /* no queuedata implies admin queue */
req->timeout = NVME_ADMIN_TIMEOUT;
+ /* passthru commands should let the driver set the SGL flags */
+ cmd->common.flags &= ~NVME_CMD_SGL_ALL;
+
req->cmd_flags |= REQ_FAILFAST_DRIVER;
nvme_clear_nvme_request(req);
- nvme_req(req)->cmd = cmd;
+ memcpy(nvme_req(req)->cmd, cmd, sizeof(*cmd));
}
struct request *nvme_alloc_request(struct request_queue *q,
@@ -724,14 +730,6 @@ static void nvme_assign_write_stream(struct nvme_ctrl *ctrl,
req->q->write_hints[streamid] += blk_rq_bytes(req) >> 9;
}
-static inline void nvme_setup_passthrough(struct request *req,
- struct nvme_command *cmd)
-{
- memcpy(cmd, nvme_req(req)->cmd, sizeof(*cmd));
- /* passthru commands should let the driver set the SGL flags */
- cmd->common.flags &= ~NVME_CMD_SGL_ALL;
-}
-
static inline void nvme_setup_flush(struct nvme_ns *ns,
struct nvme_command *cmnd)
{
@@ -886,19 +884,18 @@ void nvme_cleanup_cmd(struct request *req)
}
EXPORT_SYMBOL_GPL(nvme_cleanup_cmd);
-blk_status_t nvme_setup_cmd(struct nvme_ns *ns, struct request *req,
- struct nvme_command *cmd)
+blk_status_t nvme_setup_cmd(struct nvme_ns *ns, struct request *req)
{
+ struct nvme_command *cmd = nvme_req(req)->cmd;
blk_status_t ret = BLK_STS_OK;
if (!(req->rq_flags & RQF_DONTPREP))
nvme_clear_nvme_request(req);
- memset(cmd, 0, sizeof(*cmd));
switch (req_op(req)) {
case REQ_OP_DRV_IN:
case REQ_OP_DRV_OUT:
- nvme_setup_passthrough(req, cmd);
+ /* these are setup prior to execution in nvme_init_request() */
break;
case REQ_OP_FLUSH:
nvme_setup_flush(ns, cmd);