From mboxrd@z Thu Jan  1 00:00:00 1970
From: Christoph Hellwig <hch@infradead.org>
Subject: Re: [PATCH 06/23] dm-kcopyd: switch to use
	REQ_OP_WRITE_ZEROES
Date: Mon, 27 Mar 2017 02:12:39 -0700
Message-ID: <20170327091239.GC6879@infradead.org>
References: <20170323143341.31549-1-hch@lst.de>
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	<20170323145522.GB17127@redhat.com> <20170323145651.GA31771@lst.de>
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To: Mike Snitzer <snitzer@redhat.com>
Cc: axboe@kernel.dk, linux-raid@vger.kernel.org, linux-scsi@vger.kernel.org, martin.petersen@oracle.com, philipp.reisner@linbit.com, linux-block@vger.kernel.org, dm-devel@redhat.com, lars.ellenberg@linbit.com, shli@kernel.org, Christoph Hellwig <hch@lst.de>, agk@redhat.com, drbd-dev@lists.linbit.com
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On Thu, Mar 23, 2017 at 11:10:38AM -0400, Mike Snitzer wrote:
> Not sure why you've split out the dm-kcopyd patch, likely best to just
> fold it into the previous dm support patch.

The dm-kcopyd patch switches to using WRITE_ZEROES instead of write
same for dm as user of these interfaces.  The one before just adds
WRITE_ZEROES support to dm.