linux-kernel - RE: scsi_set_medium

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Message-ID: <678F3D1BB717D949B966B68EAEB446ED24E0118D@dggemm526-mbx.china.huawei.com>
Date:   Thu, 29 Nov 2018 03:13:15 +0000
From:   "Zengtao (B)" <prime.zeng@...ilicon.com>
To:     Alan Stern <stern@...land.harvard.edu>,
        Martin Petersen <martin.petersen@...cle.com>
CC:     "jejb@...ux.vnet.ibm.com" <jejb@...ux.vnet.ibm.com>,
        "gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
        "linux-scsi@...r.kernel.org" <linux-scsi@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-usb@...r.kernel.org" <linux-usb@...r.kernel.org>,
        "usb-storage@...ts.one-eyed-alien.net" 
        <usb-storage@...ts.one-eyed-alien.net>
Subject: RE: scsi_set_medium_removal timeout issue 

Ping?

>-----Original Message-----
>From: Alan Stern [mailto:stern@...land.harvard.edu]
>Sent: Wednesday, November 14, 2018 11:35 PM
>To: Martin Petersen <martin.petersen@...cle.com>; Zengtao (B)
><prime.zeng@...ilicon.com>
>Cc: jejb@...ux.vnet.ibm.com; gregkh@...uxfoundation.org;
>linux-scsi@...r.kernel.org; linux-kernel@...r.kernel.org;
>linux-usb@...r.kernel.org; usb-storage@...ts.one-eyed-alien.net
>Subject: RE: scsi_set_medium_removal timeout issue
>
>On Wed, 14 Nov 2018, Zengtao (B) wrote:
>
>> I just enabled the scsi log in the middle of the umount operation,
>> otherwise I can't reproduce the issue when the scsi log is enabled.
>>
>> >from the beginning.  In any case, it wasn't what I wanted.  I asked
>> >you to post the dmesg log, not the SCSI log.
>>
>> Please refer to the new attachment for dmesg log.
>
>Heh, yes, I see now.
>
>Martin, shouldn't sd_release() call sd_sync_cache() in the same way that
>sd_shutdown() does, before it calls scsi_set_medium_removal()?
>
>Alan Stern