linux-kernel - Re: [PATCH v3 13/14] ntfs: add Kconfig and Makefile

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Message-ID: <aVKukOG-Oa0-3pA3@casper.infradead.org>
Date: Mon, 29 Dec 2025 16:38:40 +0000
From: Matthew Wilcox <willy@...radead.org>
To: Namjae Jeon <linkinjeon@...nel.org>
Cc: viro@...iv.linux.org.uk, brauner@...nel.org, hch@...radead.org,
	hch@....de, tytso@....edu, 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 v3 13/14] ntfs: add Kconfig and Makefile

On Mon, Dec 29, 2025 at 07:59:31PM +0900, Namjae Jeon wrote:
> +++ b/fs/ntfs/Makefile
> @@ -0,0 +1,18 @@
> +# SPDX-License-Identifier: GPL-2.0
> +#
> +# Makefile for the ntfs filesystem support.
> +#
> +
> +# to check robot warnings

What does this comment mean?  I see ntfs3 also has this, so was this a
case of blindly copying?

> +ccflags-y += -Wint-to-pointer-cast \
> +        $(call cc-option,-Wunused-but-set-variable,-Wunused-const-variable) \
> +        $(call cc-option,-Wold-style-declaration,-Wout-of-line-declaration)

-Wint-to-pointer-cast is already enabled by default,
-Wunused-but-set-variable is enabled by -Wall, so both of these can be
dropped I think.