Re: [PATCH v2 4/9] scsi: Rework scsi_mq_alloc_queue()

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On 2020-11-16 11:04, Bart Van Assche wrote:
Do not modify sdev->request_queue. Remove the sdev->request_queue
assignment. That assignment is superfluous because scsi_mq_alloc_queue() only has one caller and that caller calls scsi_mq_alloc_queue() as follows:

	sdev->request_queue = scsi_mq_alloc_queue(sdev);

Cc: Martin K. Petersen <martin.petersen@xxxxxxxxxx>
Reviewed-by: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>
Cc: Can Guo <cang@xxxxxxxxxxxxxx>
Cc: Stanley Chu <stanley.chu@xxxxxxxxxxxx>
Cc: Ming Lei <ming.lei@xxxxxxxxxx>
Cc: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
Signed-off-by: Bart Van Assche <bvanassche@xxxxxxx>

Reviewed-by: Can Guo <cang@xxxxxxxxxxxxxx>

---
 drivers/scsi/scsi_lib.c | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index e4f9ed355be6..ff480fa6261e 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -1883,14 +1883,15 @@ static const struct blk_mq_ops scsi_mq_ops = {

 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))
+	struct request_queue *q = blk_mq_init_queue(&sdev->host->tag_set);
+
+	if (IS_ERR(q))
 		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;
+	q->queuedata = sdev;
+	__scsi_init_queue(sdev->host, q);
+	blk_queue_flag_set(QUEUE_FLAG_SCSI_PASSTHROUGH, q);
+	return q;
 }

 int scsi_mq_setup_tags(struct Scsi_Host *shost)



[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Index of Archives]     [SCSI Target Devel]     [Linux SCSI Target Infrastructure]     [Kernel Newbies]     [IDE]     [Security]     [Git]     [Netfilter]     [Bugtraq]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Linux ATA RAID]     [Linux IIO]     [Samba]     [Device Mapper]

  Powered by Linux