[PATCH 3/3] nvme: make 'at_head' parameter for __nvme_submit_sync_cmd() boolean

[Hannes Reinecke]

Use a boolean for the 'at_head' parameter in __nvme_submit_sync_cmd()
to improve readability and consistency; it's being converted into a
boolean anyway.

Signed-off-by: Hannes Reinecke <hare at suse.de>
---
 drivers/nvme/host/auth.c    |  2 +-
 drivers/nvme/host/core.c    |  8 ++++----
 drivers/nvme/host/fabrics.c | 12 +++++-------
 drivers/nvme/host/nvme.h    |  2 +-
 4 files changed, 11 insertions(+), 13 deletions(-)

diff --git a/drivers/nvme/host/auth.c b/drivers/nvme/host/auth.c
index 8a1edbf69b47..d4002845064a 100644
--- a/drivers/nvme/host/auth.c
+++ b/drivers/nvme/host/auth.c
@@ -83,7 +83,7 @@ static int nvme_auth_submit(struct nvme_ctrl *ctrl, int qid,
 
 	/* Clear failfast flag to allow for retries */
 	req->cmd_flags &= ~REQ_FAILFAST_DRIVER;
-	ret = __nvme_submit_sync_cmd(req, NULL, data, data_len, 0);
+	ret = __nvme_submit_sync_cmd(req, NULL, data, data_len, false);
 	if (ret > 0)
 		dev_warn(ctrl->device,
 			"qid %d auth_send failed with status %d\n", qid, ret);
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index 278f7aa674c6..3a4b5e99e648 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -1040,7 +1040,7 @@ EXPORT_SYMBOL_GPL(__nvme_alloc_rq);
  * if the result is positive, it's an NVM Express status code
  */
 int __nvme_submit_sync_cmd(struct request *req, union nvme_result *result,
-			   void *buffer, unsigned bufflen, int at_head)
+			   void *buffer, unsigned bufflen, bool at_head)
 {
 	int ret;
 
@@ -1068,7 +1068,7 @@ int nvme_submit_sync_cmd(struct request_queue *q, struct nvme_command *cmd,
 	if (IS_ERR(req))
 		return PTR_ERR(req);
 
-	return __nvme_submit_sync_cmd(req, NULL, buffer, bufflen, 0);
+	return __nvme_submit_sync_cmd(req, NULL, buffer, bufflen, false);
 }
 EXPORT_SYMBOL_GPL(nvme_submit_sync_cmd);
 
@@ -1498,7 +1498,7 @@ static int nvme_features(struct nvme_ctrl *dev, u8 op, unsigned int fid,
 	if (IS_ERR(req))
 		return PTR_ERR(req);
 
-	ret = __nvme_submit_sync_cmd(req, &res, buffer, buflen, 0);
+	ret = __nvme_submit_sync_cmd(req, &res, buffer, buflen, false);
 	if (ret >= 0 && result)
 		*result = le32_to_cpu(res.u32);
 	return ret;
@@ -2234,7 +2234,7 @@ static int nvme_sec_submit(void *data, u16 spsp, u8 secp, void *buffer, size_t l
 	if (IS_ERR(req))
 		return PTR_ERR(req);
 
-	return __nvme_submit_sync_cmd(req, NULL, buffer, len, 1);
+	return __nvme_submit_sync_cmd(req, NULL, buffer, len, true);
 }
 
 static void nvme_configure_opal(struct nvme_ctrl *ctrl, bool was_suspended)
diff --git a/drivers/nvme/host/fabrics.c b/drivers/nvme/host/fabrics.c
index 7d2fd4b83bbc..db11c54b8d0e 100644
--- a/drivers/nvme/host/fabrics.c
+++ b/drivers/nvme/host/fabrics.c
@@ -157,8 +157,7 @@ int nvmf_reg_read32(struct nvme_ctrl *ctrl, u32 off, u32 *val)
 	if (IS_ERR(req))
 		return PTR_ERR(req);
 
-	ret = __nvme_submit_sync_cmd(req, &res, NULL, 0, 0);
-
+	ret = __nvme_submit_sync_cmd(req, &res, NULL, 0, false);
 	if (ret >= 0)
 		*val = le64_to_cpu(res.u64);
 	if (unlikely(ret != 0))
@@ -207,8 +206,7 @@ int nvmf_reg_read64(struct nvme_ctrl *ctrl, u32 off, u64 *val)
 	if (IS_ERR(req))
 		return PTR_ERR(req);
 
-	ret = __nvme_submit_sync_cmd(req, &res, NULL, 0, 0);
-
+	ret = __nvme_submit_sync_cmd(req, &res, NULL, 0, false);
 	if (ret >= 0)
 		*val = le64_to_cpu(res.u64);
 	if (unlikely(ret != 0))
@@ -256,7 +254,7 @@ int nvmf_reg_write32(struct nvme_ctrl *ctrl, u32 off, u32 val)
 	if (IS_ERR(req))
 		return PTR_ERR(req);
 
-	ret = __nvme_submit_sync_cmd(req, NULL, NULL, 0, 0);
+	ret = __nvme_submit_sync_cmd(req, NULL, NULL, 0, false);
 	if (unlikely(ret))
 		dev_err(ctrl->device,
 			"Property Set error: %d, offset %#x\n",
@@ -417,7 +415,7 @@ int nvmf_connect_admin_queue(struct nvme_ctrl *ctrl)
 	if (IS_ERR(req))
 		return PTR_ERR(req);
 
-	ret = __nvme_submit_sync_cmd(req, &res, data, sizeof(*data), 1);
+	ret = __nvme_submit_sync_cmd(req, &res, data, sizeof(*data), true);
 	if (ret) {
 		nvmf_log_connect_error(ctrl, ret, le32_to_cpu(res.u32),
 				       &cmd, data);
@@ -507,7 +505,7 @@ int nvmf_connect_io_queue(struct nvme_ctrl *ctrl, u16 qid)
 	if (IS_ERR(req))
 		return PTR_ERR(req);
 
-	ret = __nvme_submit_sync_cmd(req, &res, data, sizeof(*data), 1);
+	ret = __nvme_submit_sync_cmd(req, &res, data, sizeof(*data), true);
 	if (ret) {
 		nvmf_log_connect_error(ctrl, ret, le32_to_cpu(res.u32),
 				       &cmd, data);
diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h
index d10f930d1edb..bf984ae5cf04 100644
--- a/drivers/nvme/host/nvme.h
+++ b/drivers/nvme/host/nvme.h
@@ -816,7 +816,7 @@ int nvme_submit_sync_cmd(struct request_queue *q, struct nvme_command *cmd,
 struct request *__nvme_alloc_rq(struct request_queue *q,
 		struct nvme_command *cmd, int qid, blk_mq_req_flags_t flags);
 int __nvme_submit_sync_cmd(struct request *req, union nvme_result *result,
-		void *buffer, unsigned bufflen, int at_head);
+		void *buffer, unsigned bufflen, bool at_head);
 int nvme_set_features(struct nvme_ctrl *dev, unsigned int fid,
 		      unsigned int dword11, void *buffer, size_t buflen,
 		      u32 *result);
-- 
2.35.3