linux-kernel - Re: [PATCH v2 0/1] exfat: Add support for FS_IOC

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Message-ID: <CAKYAXd-B85ufo-h7bBMFZO9SKBeaQ6t1fvWGVEUd_RLGEEK5BA@mail.gmail.com>
Date: Sun, 17 Aug 2025 21:30:15 +0900
From: Namjae Jeon <linkinjeon@...nel.org>
To: Ethan Ferguson <ethan.ferguson@...ier.com>
Cc: sj1557.seo@...sung.com, yuezhang.mo@...y.com, 
	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 0/1] exfat: Add support for FS_IOC_{GET,SET}FSLABEL

On Sun, Aug 17, 2025 at 9:31 AM Ethan Ferguson
<ethan.ferguson@...ier.com> wrote:
>
> Add support for reading / writing to the exfat volume label from the
> FS_IOC_GETFSLABEL and FS_IOC_SETFSLABEL ioctls.
>
> Implemented in similar ways to other fs drivers, namely btrfs and ext4,
> where the ioctls are performed on file inodes.
We can load and store a volume label using tune.exfat in exfatprogs.
Is there any usage that requires this, even though there are utils
that can do it?

Thanks.
>
> v2:
> Fix endianness conversion as reported by kernel test robot
> v1:
> Link: https://lore.kernel.org/all/20250815171056.103751-1-ethan.ferguson@zetier.com/
>
> Ethan Ferguson (1):
>   exfat: Add support for FS_IOC_{GET,SET}FSLABEL
>   exfat: Fix endian conversion
>
>  fs/exfat/exfat_fs.h  |  2 +
>  fs/exfat/exfat_raw.h |  6 +++
>  fs/exfat/file.c      | 56 +++++++++++++++++++++++++
>  fs/exfat/super.c     | 99 ++++++++++++++++++++++++++++++++++++++++++++
>  4 files changed, 163 insertions(+)
>
> --
> 2.50.1
>