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| author | Mike Christie <michael.christie@oracle.com> | 2023-04-07 15:05:43 -0500 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2023-04-11 21:55:35 -0400 |
| commit | f0614790b77300d69a1f37265f98b68c4835811b (patch) | |
| tree | f0e7f1217989cc166dc6036f7d5374cb0ac7bd38 /drivers/nvme | |
| parent | b668f2f5467c3316b67fa04975e2fccb0baec576 (diff) | |
| download | linux-f0614790b77300d69a1f37265f98b68c4835811b.tar.gz linux-f0614790b77300d69a1f37265f98b68c4835811b.tar.bz2 linux-f0614790b77300d69a1f37265f98b68c4835811b.zip | |
nvme: Add helper to send pr command
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@oracle.com>
Link: https://lore.kernel.org/r/20230407200551.12660-11-michael.christie@oracle.com
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/nvme')
| -rw-r--r-- | drivers/nvme/host/pr.c | 23 |
1 files changed, 14 insertions, 9 deletions
diff --git a/drivers/nvme/host/pr.c b/drivers/nvme/host/pr.c index ca7a8d531a23..cd93d2e5b340 100644 --- a/drivers/nvme/host/pr.c +++ b/drivers/nvme/host/pr.c @@ -30,7 +30,7 @@ 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); @@ -46,7 +46,7 @@ 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); @@ -74,6 +74,17 @@ 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); + + return nvme_send_ns_pr_command(bdev->bd_disk->private_data, c, data, + data_len); +} + static int nvme_pr_command(struct block_device *bdev, u32 cdw10, u64 key, u64 sa_key, u8 op) { @@ -87,13 +98,7 @@ static int nvme_pr_command(struct block_device *bdev, u32 cdw10, c.common.opcode = op; c.common.cdw10 = cpu_to_le32(cdw10); - if (IS_ENABLED(CONFIG_NVME_MULTIPATH) && - bdev->bd_disk->fops == &nvme_ns_head_ops) - ret = nvme_send_ns_head_pr_command(bdev, &c, data, - sizeof(data)); - else - ret = nvme_send_ns_pr_command(bdev->bd_disk->private_data, &c, - data, sizeof(data)); + ret = nvme_send_pr_command(bdev, &c, data, sizeof(data)); if (ret < 0) return ret; |