linux-kernel - Re: [PATCH v3 1/1] bcachefs: Move BCACHEFS_STATFS

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Date: Tue, 7 May 2024 22:27:44 -0400
From: Kent Overstreet <kent.overstreet@...ux.dev>
To: Petr Vorel <pvorel@...e.cz>
Cc: Brian Foster <bfoster@...hat.com>, linux-bcachefs@...r.kernel.org, 
	Su Yue <l@...enly.org>, Coly Li <colyli@...e.de>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 1/1] bcachefs: Move BCACHEFS_STATFS_MAGIC value to
 UAPI magic.h

On Tue, May 07, 2024 at 06:44:30PM +0200, Petr Vorel wrote:
> > On Tue, May 07, 2024 at 05:37:57PM +0200, Petr Vorel wrote:
> > > Move BCACHEFS_STATFS_MAGIC value to UAPI <linux/magic.h> under
> > > BCACHEFS_SUPER_MAGIC definition (use common approach for name) and reuse the
> > > definition in bcachefs_format.h BCACHEFS_STATFS_MAGIC.
> 
> > > There are other bcachefs magic definitions: BCACHE_MAGIC, BCHFS_MAGIC,
> > > which use UUID_INIT() and are used only in libbcachefs. Therefore move
> > > only BCACHEFS_STATFS_MAGIC value, which can be used outside of
> > > libbcachefs for f_type field in struct statfs in statfs() or fstatfs().
> 
> > > Suggested-by: Su Yue <l@...enly.org>
> > > Signed-off-by: Petr Vorel <pvorel@...e.cz>
> > > ---
> 
> > I was thinking you'd just rename the STATFS_MAGIC def locally as well,
> > but whatever.. LGTM, thanks for the tweaks!
> 
> Ah, I thought it'd be more readable this way from bcachefs point.
> Kent, just let me know if you prefer Brian's way and I'll send v4.

It's in my tree now :)