[PATCH 1/3] nvme: split __nvme_submit_sync_cmd()

[Kanchan Joshi]

On Wed, Feb 08, 2023 at 09:49:37AM +0100, Hannes Reinecke wrote:
>Split a __nvme_alloc_rq() function from __nvme_submit_sync_cmd()
>to reduce the number of arguments.
>
>Signed-off-by: Hannes Reinecke <hare at suse.de>
>---
> drivers/nvme/host/auth.c       |  9 ++++--
> drivers/nvme/host/core.c       | 59 ++++++++++++++++++++++------------
> drivers/nvme/host/fabrics.c    | 42 ++++++++++++++++++------
> drivers/nvme/host/nvme.h       |  8 ++---
> drivers/nvme/host/pci.c        |  8 ++---
> drivers/nvme/target/passthru.c |  3 +-
> 6 files changed, 85 insertions(+), 44 deletions(-)
>
>diff --git a/drivers/nvme/host/auth.c b/drivers/nvme/host/auth.c
>index 787537454f7f..cbb6f1cb2046 100644
>--- a/drivers/nvme/host/auth.c
>+++ b/drivers/nvme/host/auth.c
>@@ -62,6 +62,7 @@ static int nvme_auth_submit(struct nvme_ctrl *ctrl, int qid,
> 	struct nvme_command cmd = {};
> 	blk_mq_req_flags_t flags = nvme_auth_flags_from_qid(qid);
> 	struct request_queue *q = nvme_auth_queue_from_qid(ctrl, qid);
>+	struct request *req;
> 	int ret;
>
> 	cmd.auth_common.opcode = nvme_fabrics_command;
>@@ -76,9 +77,11 @@ static int nvme_auth_submit(struct nvme_ctrl *ctrl, int qid,
> 		cmd.auth_receive.al = cpu_to_le32(data_len);
> 	}
>
>-	ret = __nvme_submit_sync_cmd(q, &cmd, NULL, data, data_len,
>-				     qid == 0 ? NVME_QID_ANY : qid,
>-				     0, flags);
>+	req = __nvme_alloc_rq(q, &cmd, qid == 0 ? NVME_QID_ANY : qid, flags);
>+	if (IS_ERR(req))
>+		return PTR_ERR(req);
>+
>+	ret = __nvme_submit_sync_cmd(q, req, NULL, data, data_len, 0);

First argument 'q' of above can also be killed.