[PATCH] nvme: unexport internal function symbols

[Chaitanya Kulkarni]

On 12/27/20 2:46 AM, Minwoo Im wrote:
> Unexport symbols not taken from other side.  This patch also make those
> two functions as static functions:
>
>   nvme_reset_ctrl_sync
>   nvme_alloc_request_qid
>
> This patch has no functional changes.
change the commit log to :-


There are no callers for nvme_reset_ctrl_sync() and
nvme_alloc_request_qid()so that we keep the symbols exported.

Unexport those functions, mark them static and update the headerfile
respectively.
>
> Signed-off-by: Minwoo Im <minwoo.im.dev at gmail.com>
> ---
>  drivers/nvme/host/core.c | 6 ++----
>  drivers/nvme/host/nvme.h | 3 ---
>  2 files changed, 2 insertions(+), 7 deletions(-)
>
> diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
> index ce1b61519441..70a63d7c1d02 100644
> --- a/drivers/nvme/host/core.c
> +++ b/drivers/nvme/host/core.c
> @@ -179,7 +179,7 @@ int nvme_reset_ctrl(struct nvme_ctrl *ctrl)
>  }
>  EXPORT_SYMBOL_GPL(nvme_reset_ctrl);
>  
> -int nvme_reset_ctrl_sync(struct nvme_ctrl *ctrl)
> +static int nvme_reset_ctrl_sync(struct nvme_ctrl *ctrl)
>  {
>  	int ret;
>  
> @@ -192,7 +192,6 @@ int nvme_reset_ctrl_sync(struct nvme_ctrl *ctrl)
>  
>  	return ret;
>  }
> -EXPORT_SYMBOL_GPL(nvme_reset_ctrl_sync);
>  
>  static void nvme_do_delete_ctrl(struct nvme_ctrl *ctrl)
>  {
> @@ -578,7 +577,7 @@ struct request *nvme_alloc_request(struct request_queue *q,
>  }
>  EXPORT_SYMBOL_GPL(nvme_alloc_request);
>  
> -struct request *nvme_alloc_request_qid(struct request_queue *q,
> +static struct request *nvme_alloc_request_qid(struct request_queue *q,
>  		struct nvme_command *cmd, blk_mq_req_flags_t flags, int qid)
>  {
>  	struct request *req;
> @@ -589,7 +588,6 @@ struct request *nvme_alloc_request_qid(struct request_queue *q,
>  		nvme_init_request(req, cmd);
>  	return req;
>  }
> -EXPORT_SYMBOL_GPL(nvme_alloc_request_qid);
>  
>  static int nvme_toggle_streams(struct nvme_ctrl *ctrl, bool enable)
>  {
> diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h
> index 7e49f61f81df..9c4fbfe44c00 100644
> --- a/drivers/nvme/host/nvme.h
> +++ b/drivers/nvme/host/nvme.h
> @@ -610,8 +610,6 @@ void nvme_start_freeze(struct nvme_ctrl *ctrl);
>  #define NVME_QID_ANY -1
>  struct request *nvme_alloc_request(struct request_queue *q,
>  		struct nvme_command *cmd, blk_mq_req_flags_t flags);
> -struct request *nvme_alloc_request_qid(struct request_queue *q,
> -		struct nvme_command *cmd, blk_mq_req_flags_t flags, int qid);
>  void nvme_cleanup_cmd(struct request *req);
>  blk_status_t nvme_setup_cmd(struct nvme_ns *ns, struct request *req,
>  		struct nvme_command *cmd);
> @@ -630,7 +628,6 @@ int nvme_get_features(struct nvme_ctrl *dev, unsigned int fid,
>  int nvme_set_queue_count(struct nvme_ctrl *ctrl, int *count);
>  void nvme_stop_keep_alive(struct nvme_ctrl *ctrl);
>  int nvme_reset_ctrl(struct nvme_ctrl *ctrl);
> -int nvme_reset_ctrl_sync(struct nvme_ctrl *ctrl);
>  int nvme_try_sched_reset(struct nvme_ctrl *ctrl);
>  int nvme_delete_ctrl(struct nvme_ctrl *ctrl);
>