Re: [PATCH 3/7] rnbd: drop WRITE_SAME support

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To: Christoph Hellwig <hch@xxxxxx>, "axboe@xxxxxxxxx" <axboe@xxxxxxxxx>, "martin.petersen@xxxxxxxxxx" <martin.petersen@xxxxxxxxxx>, "philipp.reisner@xxxxxxxxxx" <philipp.reisner@xxxxxxxxxx>, "lars.ellenberg@xxxxxxxxxx" <lars.ellenberg@xxxxxxxxxx>, "target-devel@xxxxxxxxxxxxxxx" <target-devel@xxxxxxxxxxxxxxx>, "haris.iqbal@xxxxxxxxx" <haris.iqbal@xxxxxxxxx>, "jinpu.wang@xxxxxxxxx" <jinpu.wang@xxxxxxxxx>, "manoj@xxxxxxxxxxxxx" <manoj@xxxxxxxxxxxxx>, "mrochs@xxxxxxxxxxxxx" <mrochs@xxxxxxxxxxxxx>, "ukrishn@xxxxxxxxxxxxx" <ukrishn@xxxxxxxxxxxxx>
Subject: Re: [PATCH 3/7] rnbd: drop WRITE_SAME support
From: Chaitanya Kulkarni <chaitanyak@xxxxxxxxxx>
Date: Wed, 9 Feb 2022 08:44:32 +0000
Accept-language: en-US
Cc: "linux-block@xxxxxxxxxxxxxxx" <linux-block@xxxxxxxxxxxxxxx>, "linux-scsi@xxxxxxxxxxxxxxx" <linux-scsi@xxxxxxxxxxxxxxx>, "drbd-dev@xxxxxxxxxxxxxxxx" <drbd-dev@xxxxxxxxxxxxxxxx>, "dm-devel@xxxxxxxxxx" <dm-devel@xxxxxxxxxx>
In-reply-to: <20220209082828.2629273-4-hch@lst.de>
References: <20220209082828.2629273-1-hch@lst.de> <20220209082828.2629273-4-hch@lst.de>
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.11.0

On 2/9/22 12:28 AM, Christoph Hellwig wrote:
> REQ_OP_WRITE_SAME was only ever submitted by the legacy Linux zeroing
> code, which has switched to use REQ_OP_WRITE_ZEROES long before rnbd was
> even merged.
> 
> Signed-off-by: Christoph Hellwig <hch@xxxxxx>

Looks good.

Reviewed-by: Chaitanya Kulkarni <kch@xxxxxxxxxx>

References:
- remove REQ_OP_WRITE_SAME v2
  - From: Christoph Hellwig
- [PATCH 3/7] rnbd: drop WRITE_SAME support
  - From: Christoph Hellwig

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