From: Jens Axboe <axboe@kernel.dk>
To: Christoph Hellwig <hch@lst.de>, martin.petersen@oracle.com
Cc: decui@microsoft.com, linux-block@vger.kernel.org,
linux-scsi@vger.kernel.org
Subject: Re: [PATCH v2] scsi: zero per-cmd driver data before each I/O
Date: Tue, 21 Feb 2017 09:19:05 -0700 [thread overview]
Message-ID: <d22be48c-51ca-ea12-6143-d1582eb6012f@kernel.dk> (raw)
In-Reply-To: <20170221090455.4633-1-hch@lst.de>
On 02/21/2017 02:04 AM, Christoph Hellwig wrote:
> Without this drivers that don't clear the state themselves can see off
> effects. For example Hyper-V VMs using the storvsc driver will often
> hang during boot due to uncleared Test Unit Ready failures.
>
> Fixes: e9c787e6 ("scsi: allocate scsi_cmnd structures as part of struct request")
> Signed-off-by: Christoph Hellwig <hch@lst.de>
> Reported-by: Dexuan Cui <decui@microsoft.com>
> Tested-by: Dexuan Cui <decui@microsoft.com>
> ---
>
> Changes since V1:
> - use a single memset as suggested by Bart
That's much better. I'll queue this up for the next pull in this merge
window.
--
Jens Axboe
prev parent reply other threads:[~2017-02-21 16:19 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-02-21 9:04 [PATCH v2] scsi: zero per-cmd driver data before each I/O Christoph Hellwig
2017-02-21 15:33 ` Bart Van Assche
2017-02-21 16:19 ` Jens Axboe [this message]
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