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From: Christoph Hellwig <hch@infradead.org>
To: John Dorminy <jdorminy@redhat.com>
Cc: axboe@kernel.dk,
	"Martin K. Petersen" <martin.petersen@oracle.com>,
	Mike Snitzer <snitzer@redhat.com>,
	linux-block@vger.kernel.org, dm-devel@redhat.com,
	Zhang Xiaoxu <zhangxiaoxu5@huawei.com>,
	Alasdair G Kergon <agk@redhat.com>
Subject: Re: block: Fix a WRITE SAME BUG_ON
Date: Thu, 31 Jan 2019 02:39:24 -0800	[thread overview]
Message-ID: <20190131103924.GA22503@infradead.org> (raw)
In-Reply-To: <CAMeeMh85T_qui=LWd0u=b_oMN5XLqowqkvLuYGBM2Ae6tS-mzg@mail.gmail.com>

On Wed, Jan 30, 2019 at 09:08:50AM -0500, John Dorminy wrote:
> (I use WRITE_SAME to fill devices with a particular pattern in order
> to catch failures to initialize disk structures appropriately,
> personally, but it's just for convenience/speed.)

How do you use it?  We don't have a user interface to generate
REQ_OP_WRITE_SAME requests.

  parent reply	other threads:[~2019-01-31 10:39 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-01-25  2:11 [v2] block: Fix a WRITE SAME BUG_ON Zhang Xiaoxu
2019-01-26 11:17 ` John Dorminy
2019-01-28  5:48   ` zhangxiaoxu (A)
2019-01-28 22:14   ` Mike Snitzer
2019-01-29  4:54     ` Martin K. Petersen
2019-01-29  8:52       ` Christoph Hellwig
2019-01-30  6:50         ` zhangxiaoxu (A)
2019-01-30 14:08       ` John Dorminy
2019-01-31  0:58         ` zhangxiaoxu (A)
2019-01-31  2:23         ` Martin K. Petersen
2019-01-31 10:39         ` Christoph Hellwig [this message]
2019-01-31 19:41           ` John Dorminy
2019-02-01  7:35             ` Christoph Hellwig
2019-02-01 14:09               ` John Dorminy
2019-02-01 16:03                 ` Heinz Mauelshagen
2019-02-01 16:18                   ` Christoph Hellwig
2019-02-12  3:11                     ` zhangxiaoxu (A)
2019-02-14  2:31                       ` Martin K. Petersen
2019-02-14  9:36                         ` zhangxiaoxu (A)
2019-02-18 14:10                           ` zhangxiaoxu (A)
2019-02-19 23:10                             ` Martin K. Petersen

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