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scsi: core: Inline scsi_mq_alloc_queue()

Browse source 
Since scsi_mq_alloc_queue() only has one caller, inline it. This change was
suggested by Christoph Hellwig.

Link: https://lore.kernel.org/r/20210622024654.12543-1-bvanassche@acm.org
Cc: Christoph Hellwig <hch@lst.de>
Cc: Ming Lei <ming.lei@redhat.com>
Cc: Ed Tsai <ed.tsai@mediatek.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Bart Van Assche 2021-06-21 19:46:54 -07:00 committed by Martin K. Petersen
parent 332a9dd1d8
commit 59506abe5e
3 changed files with 8 additions and 17 deletions
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12
drivers/scsi/scsi_lib.c
View file

@ -1897,18 +1897,6 @@ static const struct blk_mq_ops scsi_mq_ops = {
.get_rq_budget_token = scsi_mq_get_rq_budget_token,
};
struct request_queue *scsi_mq_alloc_queue(struct scsi_device *sdev)
{
sdev->request_queue = blk_mq_init_queue(&sdev->host->tag_set);
if (IS_ERR(sdev->request_queue))
return NULL;
sdev->request_queue->queuedata = sdev;
__scsi_init_queue(sdev->host, sdev->request_queue);
blk_queue_flag_set(QUEUE_FLAG_SCSI_PASSTHROUGH, sdev->request_queue);
return sdev->request_queue;
}
int scsi_mq_setup_tags(struct Scsi_Host *shost)
{
unsigned int cmd_size, sgl_size;

1
drivers/scsi/scsi_priv.h
View file

@ -91,7 +91,6 @@ extern void scsi_queue_insert(struct scsi_cmnd *cmd, int reason);
extern void scsi_io_completion(struct scsi_cmnd *, unsigned int);
extern void scsi_run_host_queues(struct Scsi_Host *shost);
extern void scsi_requeue_run_queue(struct work_struct *work);
extern struct request_queue *scsi_mq_alloc_queue(struct scsi_device *sdev);
extern void scsi_start_queue(struct scsi_device *sdev);
extern int scsi_mq_setup_tags(struct Scsi_Host *shost);
extern void scsi_mq_destroy_tags(struct Scsi_Host *shost);

12
drivers/scsi/scsi_scan.c
View file

@ -217,6 +217,7 @@ static struct scsi_device *scsi_alloc_sdev(struct scsi_target *starget,
{
unsigned int depth;
struct scsi_device *sdev;
struct request_queue *q;
int display_failure_msg = 1, ret;
struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
@ -266,16 +267,19 @@ static struct scsi_device *scsi_alloc_sdev(struct scsi_target *starget,
*/
sdev->borken = 1;
sdev->request_queue = scsi_mq_alloc_queue(sdev);
if (!sdev->request_queue) {
q = blk_mq_init_queue(&sdev->host->tag_set);
if (IS_ERR(q)) {
/* release fn is set up in scsi_sysfs_device_initialise, so
* have to free and put manually here */
put_device(&starget->dev);
kfree(sdev);
goto out;
}
WARN_ON_ONCE(!blk_get_queue(sdev->request_queue));
sdev->request_queue->queuedata = sdev;
sdev->request_queue = q;
q->queuedata = sdev;
__scsi_init_queue(sdev->host, q);
blk_queue_flag_set(QUEUE_FLAG_SCSI_PASSTHROUGH, q);
WARN_ON_ONCE(!blk_get_queue(q));
depth = sdev->host->cmd_per_lun ?: 1;