Re: [PATCH 09/25] block: stop using blkdev_issue_write_same for zeroing

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To: Christoph Hellwig <hch@xxxxxx>
Subject: Re: [PATCH 09/25] block: stop using blkdev_issue_write_same for zeroing
From: "Martin K. Petersen" <martin.petersen@xxxxxxxxxx>
Date: Wed, 05 Apr 2017 07:45:10 -0400
Cc: axboe@xxxxxxxxx, martin.petersen@xxxxxxxxxx, agk@xxxxxxxxxx, snitzer@xxxxxxxxxx, shli@xxxxxxxxxx, philipp.reisner@xxxxxxxxxx, lars.ellenberg@xxxxxxxxxx, linux-block@xxxxxxxxxxxxxxx, linux-scsi@xxxxxxxxxxxxxxx, drbd-dev@xxxxxxxxxxxxxxxx, dm-devel@xxxxxxxxxx, linux-raid@xxxxxxxxxxxxxxx
In-reply-to: <20170331163313.31821-10-hch@lst.de> (Christoph Hellwig's message of "Fri, 31 Mar 2017 18:32:57 +0200")
Organization: Oracle Corporation
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/25.2 (gnu/linux)

Christoph Hellwig <hch@xxxxxx> writes:

> We'll always use the WRITE ZEROES code for zeroing now.

Reviewed-by: Martin K. Petersen <martin.petersen@xxxxxxxxxx>

-- 
Martin K. Petersen	Oracle Linux Engineering

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References:
- always use REQ_OP_WRITE_ZEROES for zeroing offload
  - From: Christoph Hellwig
- [PATCH 09/25] block: stop using blkdev_issue_write_same for zeroing
  - From: Christoph Hellwig

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