RE: [PATCH v6 1/2] ufs: core: skip ABORT TASK for device management commands

["Kiwoong Kim" <kwmad.kim@samsung.com>]

Kiwoong Kim
BRs.

> -----Original Message-----
> From: Bart Van Assche <bvanassche@acm.org>
> Sent: Thursday, November 5, 2026 10:28 AM
> To: Kiwoong Kim <kwmad.kim@samsung.com>; linux-scsi@vger.kernel.org;
> linux-kernel@vger.kernel.org; alim.akhtar@samsung.com; jejb@linux.ibm.com;
> martin.petersen@oracle.com; kwangwon.min@samsung.com; hy50.seo@samsung.com;
> cpgs@samsung.com; h10.kim@samsung.com
> Cc: stable@vger.kernel.org; stanleyjhu@google.com; Bean Huo
> <beanhuo@micron.com>
> Subject: Re: [PATCH v6 1/2] ufs: core: skip ABORT TASK for device
> management commands
> 
> On 11/4/26 4:43 PM, Kiwoong Kim wrote:
>  > @@ -8046,6 +8046,9 @@ int ufshcd_try_to_abort_task(struct ufs_hba *hba,
> int tag)  >
>  >  	lrbp = scsi_cmd_priv(cmd);
>  >
>  > +	if (!ufshcd_is_scsi_cmd(cmd))
>  > +		goto clear_cmd;
>  > +
> 
> ufshcd_abort() already has the following code for the SDB path:
> 
> 	if (blk_mq_is_reserved_rq(rq))
> 		err = ufshcd_clear_cmd(hba, tag);
> 	else
> 		err = ufshcd_try_to_abort_task(hba, tag);
> 
> and ufshcd_abort_one() skips reserved requests. Hence, ufshcd_mcq_abort()
> is the only caller that can pass a device management command to
> ufshcd_try_to_abort_task(). Please handle this the same way for both paths.
> Either add the check in ufshcd_mcq_abort(), similar to the SDB path, or
> keep it in ufshcd_try_to_abort_task() and remove the now redundant check
> from ufshcd_abort().
> 
> If the check stays in ufshcd_try_to_abort_task(), please also update its
> kernel-doc header. That header says that UFS_QUERY_TASK and UFS_ABORT_TASK
> are sent unconditionally.
> 
>  > Fixes: 08b12cda6c44 ("scsi: ufs: core: Switch to
> scsi_get_internal_cmd()")
>  > Signed-off-by: Kiwoong Kim <kwmad.kim@samsung.com>  > Reviewed-by: Bean
> Huo <beanhuo@micron.com>  > Reported-by: Bart Van Assche
> <bvanassche@acm.org>
> 
> Please move the Reported-by: tag above the Signed-off-by: tag.
> checkpatch also expects a Closes: tag after Reported-by:.
> 
> Thanks,
> 
> Bart.