linux-ext4 - Re: [PATCH 0/6] filesystem visibility ioctls

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Date: Tue, 6 Feb 2024 17:22:37 +0100
From: Christian Brauner <brauner@...nel.org>
To: Kent Overstreet <kent.overstreet@...ux.dev>
Cc: linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org, 
	linux-btrfs@...r.kernel.org, linux-xfs@...r.kernel.org, linux-ext4@...r.kernel.org
Subject: Re: [PATCH 0/6] filesystem visibility ioctls

On Mon, Feb 05, 2024 at 03:05:11PM -0500, Kent Overstreet wrote:
> Hi all,
> 
> this patchset adds a few new ioctls to standardize a few interfaces we
> want
>  - get/set UUID

Last time I spoke in favor of exposing the UUID as a generic ioctl most
were supportive. But I remember that setting the UUID was a lot more
contentious. If that's changed though then great.

>  - get sysfs path
> 
> The get/set UUID ioctls are lifted versions of the ext4 ioctls with one
> difference, killing the flexible array member - we'll never have UUIDs
> more than 16 bytes, and getting rid of the flexible array member makes
> them easier to use.
> 
> FS_IOC_GETSYSFSNAME is new, but it addresses something that we've been
> doing in fs specific code for awhile - "given a path on a mounted
> filesystem, tell me where it lives in sysfs".
> 
> Cheers,
> Kent

When you send v2 could you please just put me in to. Makes it easier for
me to pick this series from the list. Thanks!