linux-kernel - Re: [PATCH v8 02/13] exfat: add super block operations

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Message-ID: <20191229134025.qb3mmqatsn5c4gao@pali>
Date:   Sun, 29 Dec 2019 14:40:25 +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
Subject: Re: [PATCH v8 02/13] exfat: add super block operations

On Friday 20 December 2019 01:24:08 Namjae Jeon wrote:
> This adds the implementation of superblock operations for exfat.
> 
> Signed-off-by: Namjae Jeon <namjae.jeon@...sung.com>
> Signed-off-by: Sungjong Seo <sj1557.seo@...sung.com>
> ---
>  fs/exfat/super.c | 732 +++++++++++++++++++++++++++++++++++++++++++++++
>  1 file changed, 732 insertions(+)
>  create mode 100644 fs/exfat/super.c
> 
> diff --git a/fs/exfat/super.c b/fs/exfat/super.c
> new file mode 100644
> index 000000000000..07687997c7f8
> --- /dev/null
> +++ b/fs/exfat/super.c

...

> +enum {
> +	Opt_uid,
> +	Opt_gid,
> +	Opt_umask,
> +	Opt_dmask,
> +	Opt_fmask,
> +	Opt_allow_utime,
> +	Opt_charset,
> +	Opt_utf8,
> +	Opt_case_sensitive,
> +	Opt_tz,
> +	Opt_errors,
> +	Opt_discard,
> +};
> +
> +static const struct fs_parameter_spec exfat_param_specs[] = {
> +	fsparam_u32("uid",			Opt_uid),
> +	fsparam_u32("gid",			Opt_gid),
> +	fsparam_u32oct("umask",			Opt_umask),
> +	fsparam_u32oct("dmask",			Opt_dmask),
> +	fsparam_u32oct("fmask",			Opt_fmask),
> +	fsparam_u32oct("allow_utime",		Opt_allow_utime),
> +	fsparam_string("iocharset",		Opt_charset),
> +	fsparam_flag("utf8",			Opt_utf8),

Hello! What is the purpose of having extra special "utf8" mount option?
Is not one "iocharset=utf8" option enough?

> +	fsparam_flag("case_sensitive",		Opt_case_sensitive),
> +	fsparam_string("tz",			Opt_tz),
> +	fsparam_enum("errors",			Opt_errors),
> +	fsparam_flag("discard",			Opt_discard),
> +	{}
> +};

-- 
Pali Rohár
pali.rohar@...il.com

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