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authorOmar Sandoval <osandov@fb.com>2016-11-15 22:11:58 +0300
committerJens Axboe <axboe@fb.com>2016-11-15 22:50:11 +0300
commitbac0000af5f8476a64ca7529a4243e23c016fc89 (patch)
tree50bddc36705c2780bc99e107bb2dd37d6fa00c22 /drivers/nvme
parentb4a567e8114327518c09f5632339a5954ab975a3 (diff)
downloadlinux-bac0000af5f8476a64ca7529a4243e23c016fc89.tar.xz
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>
Diffstat (limited to 'drivers/nvme')
-rw-r--r--drivers/nvme/host/core.c4
-rw-r--r--drivers/nvme/host/pci.c8
-rw-r--r--drivers/nvme/host/rdma.c2
-rw-r--r--drivers/nvme/target/loop.c6
4 files changed, 10 insertions, 10 deletions
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index 53584d21c805..e54bb10ead9c 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -269,7 +269,7 @@ static inline int nvme_setup_discard(struct nvme_ns *ns, struct request *req,
*/
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 @@ static inline void nvme_setup_rw(struct nvme_ns *ns, struct request *req,
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 51d13d5ec7a8..d58f8e4e2c06 100644
--- a/drivers/nvme/host/pci.c
+++ b/drivers/nvme/host/pci.c
@@ -328,7 +328,7 @@ static int nvme_init_iod(struct request *rq, unsigned size,
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 @@ static int nvme_queue_rq(struct blk_mq_hw_ctx *hctx,
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 c4700efc0390..ff1b340606b2 100644
--- a/drivers/nvme/host/rdma.c
+++ b/drivers/nvme/host/rdma.c
@@ -1395,7 +1395,7 @@ static int nvme_rdma_queue_rq(struct blk_mq_hw_ctx *hctx,
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 26aa3a5afb0d..be56d0567155 100644
--- a/drivers/nvme/target/loop.c
+++ b/drivers/nvme/target/loop.c
@@ -169,7 +169,7 @@ static int nvme_loop_queue_rq(struct blk_mq_hw_ctx *hctx,
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 @@ static int nvme_loop_queue_rq(struct blk_mq_hw_ctx *hctx,
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 @@ static int nvme_loop_queue_rq(struct blk_mq_hw_ctx *hctx,
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)