nvme: untangle 0 and BLK_MQ_RQ_QUEUE_OK
Let's not depend on any of the BLK_MQ_RQ_QUEUE_* constants having
specific values. No functional change.
Signed-off-by: Omar Sandoval <osandov@fb.com>
Reviewed-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index 53584d2..e54bb10 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -269,7 +269,7 @@
*/
req->__data_len = nr_bytes;
- return 0;
+ return BLK_MQ_RQ_QUEUE_OK;
}
static inline void nvme_setup_rw(struct nvme_ns *ns, struct request *req,
@@ -317,7 +317,7 @@
int nvme_setup_cmd(struct nvme_ns *ns, struct request *req,
struct nvme_command *cmd)
{
- int ret = 0;
+ int ret = BLK_MQ_RQ_QUEUE_OK;
if (req->cmd_type == REQ_TYPE_DRV_PRIV)
memcpy(cmd, nvme_req(req)->cmd, sizeof(*cmd));
diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c
index 51d13d5..d58f8e4 100644
--- a/drivers/nvme/host/pci.c
+++ b/drivers/nvme/host/pci.c
@@ -328,7 +328,7 @@
rq->retries = 0;
rq->rq_flags |= RQF_DONTPREP;
}
- return 0;
+ return BLK_MQ_RQ_QUEUE_OK;
}
static void nvme_free_iod(struct nvme_dev *dev, struct request *req)
@@ -598,17 +598,17 @@
map_len = nvme_map_len(req);
ret = nvme_init_iod(req, map_len, dev);
- if (ret)
+ if (ret != BLK_MQ_RQ_QUEUE_OK)
return ret;
ret = nvme_setup_cmd(ns, req, &cmnd);
- if (ret)
+ if (ret != BLK_MQ_RQ_QUEUE_OK)
goto out;
if (req->nr_phys_segments)
ret = nvme_map_data(dev, req, map_len, &cmnd);
- if (ret)
+ if (ret != BLK_MQ_RQ_QUEUE_OK)
goto out;
cmnd.common.command_id = req->tag;
diff --git a/drivers/nvme/host/rdma.c b/drivers/nvme/host/rdma.c
index c4700ef..ff1b34060 100644
--- a/drivers/nvme/host/rdma.c
+++ b/drivers/nvme/host/rdma.c
@@ -1395,7 +1395,7 @@
sizeof(struct nvme_command), DMA_TO_DEVICE);
ret = nvme_setup_cmd(ns, rq, c);
- if (ret)
+ if (ret != BLK_MQ_RQ_QUEUE_OK)
return ret;
c->common.command_id = rq->tag;
diff --git a/drivers/nvme/target/loop.c b/drivers/nvme/target/loop.c
index 26aa3a5..be56d05 100644
--- a/drivers/nvme/target/loop.c
+++ b/drivers/nvme/target/loop.c
@@ -169,7 +169,7 @@
int ret;
ret = nvme_setup_cmd(ns, req, &iod->cmd);
- if (ret)
+ if (ret != BLK_MQ_RQ_QUEUE_OK)
return ret;
iod->cmd.common.flags |= NVME_CMD_SGL_METABUF;
@@ -179,7 +179,7 @@
nvme_cleanup_cmd(req);
blk_mq_start_request(req);
nvme_loop_queue_response(&iod->req);
- return 0;
+ return BLK_MQ_RQ_QUEUE_OK;
}
if (blk_rq_bytes(req)) {
@@ -198,7 +198,7 @@
blk_mq_start_request(req);
schedule_work(&iod->work);
- return 0;
+ return BLK_MQ_RQ_QUEUE_OK;
}
static void nvme_loop_submit_async_event(struct nvme_ctrl *arg, int aer_idx)