Re: [PATCH] scsi: remove reduntant assignment when alloc sdev

From: Ed Tsai
Date: Mon Jun 21 2021 - 21:32:17 EST


On Tue, 2021-06-22 at 01:21 +0800, Bart Van Assche wrote:
> On 6/20/21 8:45 PM, Ed Tsai wrote:
> > sdev->reqeust_queue and its queuedata have been set up in
> > scsi_mq_alloc_queue(). No need to do that again.
> >
> > Signed-off-by: Ed Tsai <ed.tsai@xxxxxxxxxxxx>
> > ---
> > drivers/scsi/scsi_scan.c | 4 +---
> > 1 file changed, 1 insertion(+), 3 deletions(-)
> >
> > diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c
> > index 12f54571b83e..82c1792f1de2 100644
> > --- a/drivers/scsi/scsi_scan.c
> > +++ b/drivers/scsi/scsi_scan.c
> > @@ -266,8 +266,7 @@ 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) {
> > + if (!scsi_mq_alloc_queue(sdev)) {
> > /* release fn is set up in
> > scsi_sysfs_device_initialise, so
> > * have to free and put manually here */
> > put_device(&starget->dev);
> > @@ -275,7 +274,6 @@ static struct scsi_device
> > *scsi_alloc_sdev(struct scsi_target *starget,
> > goto out;
> > }
> > WARN_ON_ONCE(!blk_get_queue(sdev->request_queue));
> > - sdev->request_queue->queuedata = sdev;
> >
> > depth = sdev->host->cmd_per_lun ?: 1;
>
> Since scsi_mq_alloc_queue() only has one caller, please inline
> scsi_mq_alloc_queue() instead of making this change. See also
>
https://lore.kernel.org/linux-scsi/20201123031749.14912-5-bvanassche@xxxxxxx/
>
> Thanks,
>
> Bart.

have planned to re-submit it?