Re: RFC: always use REQ_OP_WRITE_ZEROES for zeroing offload

To: Christoph Hellwig <hch@xxxxxx>
Subject: Re: RFC: always use REQ_OP_WRITE_ZEROES for zeroing offload
From: Mike Snitzer <snitzer@xxxxxxxxxx>
Date: Thu, 30 Mar 2017 11:12:58 -0400
Cc: axboe@xxxxxxxxx, martin.petersen@xxxxxxxxxx, agk@xxxxxxxxxx, shli@xxxxxxxxxx, philipp.reisner@xxxxxxxxxx, lars.ellenberg@xxxxxxxxxx, linux-block@xxxxxxxxxxxxxxx, linux-raid@xxxxxxxxxxxxxxx, dm-devel@xxxxxxxxxx, linux-scsi@xxxxxxxxxxxxxxx, drbd-dev@xxxxxxxxxxxxxxxx
Dmarc-filter: OpenDMARC Filter v1.3.2 mx1.redhat.com 9842A67EC9
In-reply-to: <20170323143341.31549-1-hch@lst.de>
User-agent: Mutt/1.5.21 (2010-09-15)

Would be very useful, particularly for testing, if
drivers/scsi/scsi_debug.c were updated to support WRITE ZEROES.

Follow-Ups:
- Re: RFC: always use REQ_OP_WRITE_ZEROES for zeroing offload
  - From: Martin K. Petersen

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