linux-kernel - Re: [PATCH v10 11/14] exfat: add Kconfig and Makefile

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Date:   Wed, 15 Jan 2020 10:39:15 +0100
From:   Pali Rohár <pali.rohar@...il.com>
To:     Namjae Jeon <namjae.jeon@...sung.com>
Cc:     linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        gregkh@...uxfoundation.org, valdis.kletnieks@...edu, hch@....de,
        sj1557.seo@...sung.com, linkinjeon@...il.com, arnd@...db.de
Subject: Re: [PATCH v10 11/14] exfat: add Kconfig and Makefile

On Wednesday 15 January 2020 17:24:44 Namjae Jeon wrote:
> This adds the Kconfig and Makefile for exfat.
> 
> Signed-off-by: Namjae Jeon <namjae.jeon@...sung.com>
> Signed-off-by: Sungjong Seo <sj1557.seo@...sung.com>
> ---
>  fs/exfat/Kconfig  | 21 +++++++++++++++++++++
>  fs/exfat/Makefile |  8 ++++++++
>  2 files changed, 29 insertions(+)
>  create mode 100644 fs/exfat/Kconfig
>  create mode 100644 fs/exfat/Makefile
> 
> diff --git a/fs/exfat/Kconfig b/fs/exfat/Kconfig
> new file mode 100644
> index 000000000000..9eeaa6d06adf
> --- /dev/null
> +++ b/fs/exfat/Kconfig
> @@ -0,0 +1,21 @@
> +# SPDX-License-Identifier: GPL-2.0-or-later
> +
> +config EXFAT_FS
> +	tristate "exFAT filesystem support"
> +	select NLS
> +	help
> +	  This allows you to mount devices formatted with the exFAT file system.
> +	  exFAT is typically used on SD-Cards or USB sticks.
> +
> +	  To compile this as a module, choose M here: the module will be called
> +	  exfat.
> +
> +config EXFAT_DEFAULT_IOCHARSET
> +	string "Default iocharset for exFAT"
> +	default "utf8"
> +	depends on EXFAT_FS
> +	help
> +	  Set this to the default input/output character set you'd
> +	  like exFAT to use. It should probably match the character set
> +	  that most of your exFAT filesystems use, and can be overridden
> +	  with the "iocharset" mount option for exFAT filesystems.

Hello! This description is incorrect. iocharset option specify what
character set is expected by VFS layer and not character set used by
exFAT filesystem. exFAT filesystem always uses UTF-16 as this is the
only allowed by exFAT specification.

> diff --git a/fs/exfat/Makefile b/fs/exfat/Makefile
> new file mode 100644
> index 000000000000..ed51926a4971
> --- /dev/null
> +++ b/fs/exfat/Makefile
> @@ -0,0 +1,8 @@
> +# SPDX-License-Identifier: GPL-2.0-or-later
> +#
> +# Makefile for the linux exFAT filesystem support.
> +#
> +obj-$(CONFIG_EXFAT_FS) += exfat.o
> +
> +exfat-y	:= inode.o namei.o dir.o super.o fatent.o cache.o nls.o misc.o \
> +	   file.o balloc.o

-- 
Pali Rohár
pali.rohar@...il.com