linux-kernel - Re: [RFC PATCH v4 07/11] fs: statx add write zeroes unmap attribute

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Message-ID: <20250506043907.GA27061@lst.de>
Date: Tue, 6 May 2025 06:39:07 +0200
From: Christoph Hellwig <hch@....de>
To: Zhang Yi <yi.zhang@...weicloud.com>
Cc: "Darrick J. Wong" <djwong@...nel.org>, Christoph Hellwig <hch@....de>,
	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-xfs@...r.kernel.org, linux-kernel@...r.kernel.org,
	tytso@....edu, john.g.garry@...cle.com, bmarzins@...hat.com,
	chaitanyak@...dia.com, shinichiro.kawasaki@....com,
	brauner@...nel.org, yi.zhang@...wei.com, chengzhihao1@...wei.com,
	yukuai3@...wei.com, yangerkun@...wei.com
Subject: Re: [RFC PATCH v4 07/11] fs: statx add write zeroes unmap attribute

On Tue, May 06, 2025 at 12:28:54PM +0800, Zhang Yi wrote:
> OK, since this statx reporting flag is not strongly tied to
> FALLOC_FL_WRITE_ZEROES in vfs_fallocate(), I'll split this patch into
> three separate patches.

I don't think that is the right thing to do do.  Keep the flag addition
here, and then report it in the ext4 and bdev patches adding
FALLOC_FL_WRITE_ZEROES as the reporting should be consistent with
the added support.