linux-kernel - Re: [RFC PATCH v2 3/8] scsi: sd: set BLK_FEAT_WRITE_ZEROES_UNMAP if device supports unmap zeroing mode

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Message-ID: <20250128064720.GC21401@lst.de>
Date: Tue, 28 Jan 2025 07:47:20 +0100
From: Christoph Hellwig <hch@....de>
To: Zhang Yi <yi.zhang@...weicloud.com>
Cc: linux-fsdevel@...r.kernel.org, linux-ext4@...r.kernel.org,
	linux-block@...r.kernel.org, dm-devel@...ts.linux.dev,
	linux-nvme@...ts.infradead.org, linux-scsi@...r.kernel.org,
	linux-kernel@...r.kernel.org, hch@....de, tytso@....edu,
	djwong@...nel.org, yi.zhang@...wei.com, chengzhihao1@...wei.com,
	yukuai3@...wei.com, yangerkun@...wei.com
Subject: Re: [RFC PATCH v2 3/8] scsi: sd: set BLK_FEAT_WRITE_ZEROES_UNMAP
 if device supports unmap zeroing mode

On Wed, Jan 15, 2025 at 07:46:32PM +0800, Zhang Yi wrote:
> From: Zhang Yi <yi.zhang@...wei.com>
> 
> When the device supports the Write Zeroes command and the zeroing mode
> is set to SD_ZERO_WS16_UNMAP or SD_ZERO_WS10_UNMAP, this means that the
> device supports unmap Write Zeroes, so set the corresponding
> BLK_FEAT_WRITE_ZEROES_UNMAP feature to the device's queue limit.

Looks good:

Reviewed-by: Christoph Hellwig <hch@....de>