linux-kernel - Re: [f2fs-dev] [PATCH] f2fs: do not set STATX

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Message-ID: <20240923074333.GA8390@sol.localdomain>
Date: Mon, 23 Sep 2024 00:43:33 -0700
From: Eric Biggers <ebiggers@...nel.org>
To: Wu Bo <bo.wu@...o.com>
Cc: linux-kernel@...r.kernel.org, Wu Bo <wubo.oduw@...il.com>,
	Jaegeuk Kim <jaegeuk@...nel.org>,
	linux-f2fs-devel@...ts.sourceforge.net
Subject: Re: [f2fs-dev] [PATCH] f2fs: do not set STATX_DIOALIGN if dio is not
 supported

On Mon, Sep 23, 2024 at 12:37:32AM -0600, Wu Bo via Linux-f2fs-devel wrote:
> Therefore, if the filesystem does not support DIO, it should not set
> the STATX_DIOALIGN flag.

No, that's incorrect.  STATX_DIOALIGN supports reporting that DIO is
unsupported, via the alignments being 0.  See the statx man page.

- Eric