linux-kernel - Re: [PATCH v5 0/10] fs: Introduce new flag(FALLOC_FL_COLLAPSE

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Date:	Tue, 25 Feb 2014 15:13:46 +1100
From:	Dave Chinner <david@...morbit.com>
To:	Stephen Rothwell <sfr@...b.auug.org.au>
Cc:	Namjae Jeon <linkinjeon@...il.com>, viro@...iv.linux.org.uk,
	bpm@....com, tytso@....edu, adilger.kernel@...ger.ca, jack@...e.cz,
	mtk.manpages@...il.com, lczerner@...hat.com,
	linux-fsdevel@...r.kernel.org, xfs@....sgi.com,
	linux-ext4@...r.kernel.org, linux-kernel@...r.kernel.org,
	Namjae Jeon <namjae.jeon@...sung.com>
Subject: Re: [PATCH v5 0/10] fs: Introduce new flag(FALLOC_FL_COLLAPSE_RANGE)
 for fallocate

On Tue, Feb 25, 2014 at 02:16:01PM +1100, Stephen Rothwell wrote:
> Hi Dave,
> 
> On Mon, 24 Feb 2014 11:57:10 +1100 Dave Chinner <david@...morbit.com> wrote:
> >
> > > Namjae Jeon (10):
> > >   fs: Add new flag(FALLOC_FL_COLLAPSE_RANGE) for fallocate
> > >   xfs: Add support FALLOC_FL_COLLAPSE_RANGE for fallocate
> > 
> > I've pushed these to the following branch:
> > 
> > 	git://oss.sgi.com/xfs/xfs.git xfs-collapse-range
> > 
> > And so they'll be in tomorrow's linux-next tree.
> > 
> > >   ext4: Add support FALLOC_FL_COLLAPSE_RANGE for fallocate
> > 
> > I've left this one alone for the ext4 guys to sort out.
> 
> So presumably that xfs tree branch is now completely stable and so Ted
> could just merge that branch into the ext4 tree as well and put the ext4
> part on top of that in his tree.

Well, for some definition of stable. Right now it's just a topic
branch that is merged into the for-next branch, so in theory it is
still just a set of pending changes in a branch in a repo that has
been pushed to linux-next for testing.

That said, I don't see that branch changing unless we find bugs in
the code or a problem with the API needs fixing, at which point I
would add more commits to it and rebase the for-next branch that you
are pulling into the linux-next tree.

Realistically, I'm waiting for Lukas to repost his other pending
fallocate changes (the zero range changes) so I can pull the VFS and
XFS bits of that into the XFS tree and I can test them together
before I'll call the xfs-collapse-range stable and ready to be
merged into some other tree...

Cheers,

Dave.
-- 
Dave Chinner
david@...morbit.com
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