From: Jens Axboe <axboe@kernel.dk>
To: Christoph Hellwig <hch@lst.de>
Cc: j-nomura@ce.jp.nec.com, chaitanya.kulkarni@hgst.com,
linux-block@vger.kernel.org
Subject: Re: [PATCH] block: don't try Write Same from __blkdev_issue_zeroout
Date: Mon, 6 Feb 2017 09:35:03 -0700 [thread overview]
Message-ID: <913ee131-32ac-3ad0-fdd4-437de438b8b4@kernel.dk> (raw)
In-Reply-To: <20170205171035.5993-1-hch@lst.de>
On 02/05/2017 10:10 AM, Christoph Hellwig wrote:
> Write Same can return an error asynchronously if it turns out the
> underlying SCSI device does not support Write Same, which makes a
> proper fallback to other methods in __blkdev_issue_zeroout impossible.
> Thus only issue a Write Same from blkdev_issue_zeroout an don't try it
> at all from __blkdev_issue_zeroout as a non-invasive workaround.
Thanks, added for 4.10.
--
Jens Axboe
prev parent reply other threads:[~2017-02-06 16:35 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-02-05 17:10 [PATCH] block: don't try Write Same from __blkdev_issue_zeroout Christoph Hellwig
2017-02-06 1:27 ` Junichi Nomura
2017-02-06 16:35 ` Jens Axboe [this message]
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