Re: RFC: always use REQ_OP_WRITE_ZEROES for zeroing offload

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To: Christoph Hellwig <hch@xxxxxx>, axboe@xxxxxxxxx, martin.petersen@xxxxxxxxxx, agk@xxxxxxxxxx, snitzer@xxxxxxxxxx, shli@xxxxxxxxxx, philipp.reisner@xxxxxxxxxx, linux-block@xxxxxxxxxxxxxxx, linux-scsi@xxxxxxxxxxxxxxx, drbd-dev@xxxxxxxxxxxxxxxx, dm-devel@xxxxxxxxxx, linux-raid@xxxxxxxxxxxxxxx
Subject: Re: RFC: always use REQ_OP_WRITE_ZEROES for zeroing offload
From: Christoph Hellwig <hch@xxxxxx>
Date: Thu, 30 Mar 2017 11:04:59 +0200
In-reply-to: <20170323155410.GD1138@soda.linbit>
User-agent: Mutt/1.5.17 (2007-11-01)

Lars, can you please take a look a patch 22 and check if it's safe?

That's the big thing I want to know before posting the next version
of the series.  If it's not safe I'd like to drop that patch.

References:
- RFC: always use REQ_OP_WRITE_ZEROES for zeroing offload
  - From: Christoph Hellwig
- Re: RFC: always use REQ_OP_WRITE_ZEROES for zeroing offload
  - From: Lars Ellenberg

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