linux-kernel - Re: [PATCH 0/6] Get rid of I_MUTEX

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Date:	Wed, 9 May 2012 17:34:02 -0400
From:	"J. Bruce Fields" <bfields@...ldses.org>
To:	Jan Kara <jack@...e.cz>
Cc:	linux-fsdevel@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>,
	Al Viro <viro@...IV.linux.org.uk>, swhiteho@...hat.com
Subject: Re: [PATCH 0/6] Get rid of I_MUTEX_QUOTA use

On Mon, Apr 30, 2012 at 03:54:34PM +0200, Jan Kara wrote:
> On Fri 27-04-12 09:47:52, J. Bruce Fields wrote:
> > On Thu, Apr 26, 2012 at 03:26:08PM +0200, Jan Kara wrote:
> > > On Wed 25-04-12 17:25:32, J. Bruce Fields wrote:
> > > > On Wed, Apr 25, 2012 at 10:57:41PM +0200, Jan Kara wrote:
> > > > > 
> > > > >   Hello,
> > > > > 
> > > > >   this patch set changes generic quota code (and filesystems relying on it)
> > > > > so that they don't use special locking class I_MUTEX_QUOTA. The only remaining
> > > > > user of I_MUTEX_QUOTA is GFS2. If noone has objections, I can merge these
> > > > > patches through my tree or Bruce, you can take them as your work depends
> > > > > on these changes.
> > > > 
> > > > My changes will likely need to go through Al, and depend on GFS2 being
> > > > fixed as well.
> > > > 
> > > > So it's up to Al.  Best might be to just merge it through your tree and
> > > > let us sort it out in the next merge window?
> > >   OK, I've added patches to my tree for now. I also sent a patch for GFS2
> > > but after some investigation that's mostly a cleanup grade and Steven can
> > > merge it independently. Quota inode in GFS2 is hidden system file so there
> > > should be no locking problems with it wrt your patches.
> > 
> > OK.  In that case I suppose I'd like Al to take patches 1-4 of the 5 I
> > posted most recently (followups to
> > http://mid.gmane.org/20120425152041.GA751@fieldses.org), probably after
> > your fixes go in.  I'll resend if necessary after they go in.
>   Yeah. But also please rename I_MUTEX_QUOTA to something better describing
> what's going on...

Yes.  My uncreative replacement is I_MUTEX_NONDIR2 ("a second
non-directory object"), but I'd welcome any more elegant suggestion.

--b.
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