On 2/24/2023 9:44 AM, Mike Christie wrote:
> Move the code that checks for multipath support and sends the pr command
> to a new helper so it can be used by the reservation report support added
> in the next patches.
>
> Signed-off-by: Mike Christie <michael.christie@xxxxxxxxxx>
> ---
> drivers/nvme/host/pr.c | 23 ++++++++++++++---------
> 1 file changed, 14 insertions(+), 9 deletions(-)
>
> diff --git a/drivers/nvme/host/pr.c b/drivers/nvme/host/pr.c
> index 26ad25f7280b..7a1d93da4970 100644
> --- a/drivers/nvme/host/pr.c
> +++ b/drivers/nvme/host/pr.c
> @@ -27,7 +27,7 @@ static char nvme_pr_type(enum pr_type type)
> }
>
> static int nvme_send_ns_head_pr_command(struct block_device *bdev,
> - struct nvme_command *c, u8 *data, unsigned int data_len)
> + struct nvme_command *c, void *data, unsigned int data_len)
> {
> struct nvme_ns_head *head = bdev->bd_disk->private_data;
> int srcu_idx = srcu_read_lock(&head->srcu);
> @@ -43,7 +43,7 @@ static int nvme_send_ns_head_pr_command(struct block_device *bdev,
> }
>
> static int nvme_send_ns_pr_command(struct nvme_ns *ns, struct nvme_command *c,
> - u8 *data, unsigned int data_len)
> + void *data, unsigned int data_len)
> {
> c->common.nsid = cpu_to_le32(ns->head->ns_id);
> return nvme_submit_sync_cmd(ns->queue, c, data, data_len);
> @@ -71,6 +71,17 @@ static int nvme_sc_to_pr_err(int nvme_sc)
> }
> }
>
> +static int nvme_send_pr_command(struct block_device *bdev,
> + struct nvme_command *c, void *data, unsigned int data_len)
> +{
> + if (IS_ENABLED(CONFIG_NVME_MULTIPATH) &&
> + bdev->bd_disk->fops == &nvme_ns_head_ops)
> + return nvme_send_ns_head_pr_command(bdev, c, data, data_len);
below else is not needed after above return..
-ck
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