linux-kernel - Re: [PATCH v2 1/7] fs: super_set

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Message-ID: <ZcKodR+bNWY8/dCI@dread.disaster.area>
Date: Wed, 7 Feb 2024 08:45:25 +1100
From: Dave Chinner <david@...morbit.com>
To: Kent Overstreet <kent.overstreet@...ux.dev>
Cc: brauner@...nel.org, linux-fsdevel@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 1/7] fs: super_set_uuid()

On Tue, Feb 06, 2024 at 03:18:49PM -0500, Kent Overstreet wrote:
> Some weird old filesytems have UUID-like things that we wish to expose
> as UUIDs, but are smaller; add a length field so that the new
> FS_IOC_(GET|SET)UUID ioctls can handle them in generic code.
> 
> And add a helper super_set_uuid(), for setting nonstandard length uuids.
> 
> Helper is now required for the new FS_IOC_GETUUID ioctl; if
> super_set_uuid() hasn't been called, the ioctl won't be supported.
> 
> Signed-off-by: Kent Overstreet <kent.overstreet@...ux.dev>

Looks good.

Reviewed-by: Dave Chinner <dchinner@...hat.com>
-- 
Dave Chinner
david@...morbit.com