Message-Id: <1202264500.3935.36.camel@localhost.localdomain>
Date:	Tue, 05 Feb 2008 18:21:40 -0800
From:	Mingming Cao <cmm@...ibm.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Theodore Tso <tytso@....edu>, dhowells@...hat.com,
	"linux-ext4@...r.kernel.org" <linux-ext4@...r.kernel.org>
Subject: Re: - disable-ext4.patch removed from -mm tree

On Tue, 2008-02-05 at 17:57 -0800, Andrew Morton wrote:
> On Tue, 05 Feb 2008 17:02:20 -0800 Mingming Cao <cmm@...ibm.com> wrote:
> 
> > On Tue, 2008-02-05 at 13:26 -0800, Mingming Cao wrote:
> > > On Mon, 2008-02-04 at 10:00 -0500, Theodore Tso wrote:
> > > > On Sun, Feb 03, 2008 at 07:15:40PM -0800, Andrew Morton wrote:
> > > > > On Sun, 3 Feb 2008 20:36:26 -0500 Theodore Tso <tytso@....edu> wrote:
> > > > > 
> > > > > > On Sun, Feb 03, 2008 at 12:25:51PM -0800, Andrew Morton wrote:
> > > > > > > When I merge David's iget coversion patches this will instead wreck the
> > > > > > > ext4 patchset.
> > > > > > 
> > > > > > That's ok, it shouldn't be hard for me to fix this up.  How quickly
> > > > > > will you be able to merge David's iget converstion patches?
> > > > > 
> > > > > They're about 1,000 patches back.
> > > > 
> > > > OK, if you're not planning on pushing David's changes to Linus right
> > > > away, what if I pull in David's
> > > > 
> > > > 	iget-stop-ext4-from-using-iget-and-read_inode-try.patch 
> > > > 
> > > > and push it plus some other ext4 bug fixes directly to Linus, and let
> > > > you know when that has happened so you can drop David's patch from
> > > > your queue?
> > > > 
> > > > David's changes to ext4 can be applied standalone without the rest of
> > > > his series, so it would be safe to push that to Linus independently
> > > > and in advance of the rest of his series.  
> > > 
> > > I get compile error when builing ext4 patch queue with
> > > iget-stop-ext4-from-using-iget-and-read_inode-try.patch applied, against
> > > 2.6.24-git14.
> > > 
> > > It seems iget-stop-ext4-from-using-iget-and-read_inode-try.patch depends
> > > on patches:  
> > > [PATCH 01/31] Add an ERR_CAST() macro to complement ERR_PTR and co.
> > > [PATCH 03/32] IGET: Introduce a function to register iget failure
> > 
> > It seems to me the easiest way to bring ext4 patches back to mm tree, is
> > to carry above two patches in ext4 patch queue, like we did for other
> > ext4 patches that depend on generic code in the past.
> 
> It doesn't matter a lot because I won't be doing another -mm until all this
> is merged up anyway.
> 
> > So I added above two patches to ext4 patch queue, now that ext4 patches
> > could apply cleanly to linus git tree, and Andrew should able to easily
> > pull ext4 patches after removing the duplicated patches. 
> > 
> > Ted, I have the ext4 patch queue updated for this. 
> 
> This means that I merge part of the iget patch series, then twiddle thumbs
> until the ext4 tree merges, then merge the remainder of the iget series.
> 
> So unless Ted intends to merge RSN I think it'd be preferable if I were to
> just merge the lot, sorry.
> 

I did not suggesting to push the generic iget changes via ext4 git tree
by Ted. Maybe I did not make this clear,sorry for the confusion. It make
sense to push that whole series by you.  What I suggest is just adjust
the ext4 patches to make it easy to apply the the mm tree after you done
the merge, and allow ext4 patch queue to build before then.

Mingming

Mingming

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