linux-kernel - Re: [PATCH v5 13/14] ntfs: add Kconfig and Makefile

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Message-ID: <20260119071923.GE1480@lst.de>
Date: Mon, 19 Jan 2026 08:19:23 +0100
From: Christoph Hellwig <hch@....de>
To: Namjae Jeon <linkinjeon@...nel.org>
Cc: Christoph Hellwig <hch@....de>, viro@...iv.linux.org.uk,
	brauner@...nel.org, tytso@....edu, willy@...radead.org,
	jack@...e.cz, djwong@...nel.org, josef@...icpanda.com,
	sandeen@...deen.net, rgoldwyn@...e.com, xiang@...nel.org,
	dsterba@...e.com, pali@...nel.org, ebiggers@...nel.org,
	neil@...wn.name, amir73il@...il.com, linux-fsdevel@...r.kernel.org,
	linux-kernel@...r.kernel.org, iamjoonsoo.kim@....com,
	cheol.lee@....com, jay.sim@....com, gunho.lee@....com
Subject: Re: [PATCH v5 13/14] ntfs: add Kconfig and Makefile

On Sun, Jan 18, 2026 at 02:08:01PM +0900, Namjae Jeon wrote:
> > > +
> > > +       If you don't know what Access Control Lists are, say N.
> >
> > This looks like a new feature over the old driver.  What is the
> > use case for it?
> The POSIX ACLs support is intended to ensure functional parity and ABI
> compatibility with the existing ntfs3 driver, which already supports
> this feature. Since this ntfs aims to be a replacement for ntfs3,
> providing the same mount options and permission model is essential for
> a seamless user transition.

Can you make this more clear in the help text?


> Furthermore, By enabling this feature, we can pass more xfstests test
> cases.

Passing more tests only really matters when they were failing before,
and lack of Posix ACL code should not lead to failures - if it does
we need to improve feature detection in xfstests.