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Date:   Wed, 30 Dec 2020 15:49:04 +0800
From:   Can Guo <cang@...eaurora.org>
To:     Avri Altman <Avri.Altman@....com>
Cc:     asutoshd@...eaurora.org, nguyenb@...eaurora.org,
        hongwus@...eaurora.org, ziqichen@...eaurora.org,
        rnayak@...eaurora.org, linux-scsi@...r.kernel.org,
        kernel-team@...roid.com, saravanak@...gle.com, salyzyn@...gle.com,
        Alim Akhtar <alim.akhtar@...sung.com>,
        "James E.J. Bottomley" <jejb@...ux.ibm.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        Stanley Chu <stanley.chu@...iatek.com>,
        Bean Huo <beanhuo@...ron.com>,
        Bart Van Assche <bvanassche@....org>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] scsi: ufs: Correct the lun used in
 eh_device_reset_handler() callback

On 2020-12-30 15:20, Avri Altman wrote:
>> Users can initiate resets to specific SCSI device/target/host through
>> IOCTL. When this happens, the SCSI cmd passed to eh_device/target/host
>> _reset_handler() callbacks is initialized with a request whose tag is 
>> -1.
>> So, in this case, it is not right for eh_device_reset_handler() 
>> callback
>> to count on the lun get from hba->lrb[-1]. Fix it by getting lun from 
>> the
>> SCSI device associated with the SCSI cmd.
>> 
>> Signed-off-by: Can Guo <cang@...eaurora.org>
> Reviewed-by: Avri Altman <avri.altman@....com>
> 
> Btw, am surprised to see that you guys are still using sg_reset
> instead of ufs-utils?

Hi Avri,

We are not using any user layer tools at all. But I am confronted
with many customers and tons of test teams inside and outside.
I see all kinds of corner cases everyday, so not surprised at all.

Thanks,
Can Guo

> 
> Thanks,
> Avri

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