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To: Damien Le Moal <damien.lemoal@wdc.com>
Cc: "Martin K. Petersen" <martin.petersen@oracle.com>,
        Bart Van Assche <bart.vanassche@wdc.com>,
        "James E . J . Bottomley" <jejb@linux.vnet.ibm.com>,
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        Brian King <brking@linux.vnet.ibm.com>,
        Abdul Haleem <abdhalee@linux.vnet.ibm.com>,
        stable@vger.kernel.org
Subject: Re: [PATCH] Revert "scsi-mq: Always unprepare before requeuing a request"
From: "Martin K. Petersen" <martin.petersen@oracle.com>
References: <20170816174324.29276-1-bart.vanassche@wdc.com>
        <yq1fucrqchu.fsf@oracle.com>
        <a757a93a-0052-e22f-b035-b8cc27256dc5@wdc.com>
Date: Wed, 16 Aug 2017 20:46:50 -0400
In-Reply-To: <a757a93a-0052-e22f-b035-b8cc27256dc5@wdc.com> (Damien Le Moal's
        message of "Thu, 17 Aug 2017 09:41:15 +0900")
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Damien,

> It means that commit 70e42fd02c46e2aa9ab07b766d418637e3a51de7 "scsi:
> sd_zbc: Write unlock zone from sd_uninit_cmnd()" will need to be
> reverted too as it will not solve the potential deadlock anymore. Bart's
> patch was needed for it to work.

OK, also dropped.

> (2) may actually be the better solution for now until I get a fix for
> blk-mq.

Yeah, that's fine with me.

-- 
Martin K. Petersen	Oracle Linux Engineering