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Re: [PATCH 0/3] xfs: fixes for 3.7-rc6

To: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Subject: Re: [PATCH 0/3] xfs: fixes for 3.7-rc6
From: Dave Chinner <david@xxxxxxxxxxxxx>
Date: Wed, 14 Nov 2012 06:46:43 +1100
Cc: Ben Myers <bpm@xxxxxxx>, xfs@xxxxxxxxxxx
In-reply-to: <20121113071147.GA32469@xxxxxxxxxxxxx>
References: <1352718586-3538-1-git-send-email-david@xxxxxxxxxxxxx> <20121113020150.GY9783@xxxxxxx> <20121113030507.GE25039@dastard> <20121113071147.GA32469@xxxxxxxxxxxxx>
User-agent: Mutt/1.5.21 (2010-09-15)
On Tue, Nov 13, 2012 at 02:11:47AM -0500, Christoph Hellwig wrote:
> On Tue, Nov 13, 2012 at 02:05:07PM +1100, Dave Chinner wrote:
> > Just FYI, the first thing that needs to be done after the userspace
> > release is to resync the libxfs/libxlog code with the kernel code.
> > That needs to be done before any of the CRC changes can be merged,
> > so be prepared for a pretty major update that'll need review soon
> > after the release.
> > 
> > IIRC, the last kernel/user resync I did was about 15,000 lines of
> > change I don't expect this to be quite as big (the previous one
> > contained the btree consolidation changes), but I'd expect it to be
> > in the order of 2-3000 lines of change to be needed.
> Do we have anyone who has signed up for that work yet?

I think it will be end up being me because I'm the one who needs it
done in the next month or so...

> One thing I'd really love to do is to make the resyncs simpler, e.g.
> make sure userspace can use the same #include statements as the kernel
> code, and make sure all files are either used entirely in userspace or
> not at all.  Things like the split of xfs_extent_busy.c are going to
> help with that, but I suspect there's more work to do.

There's a lot more work to get to that point, I think. I don't plan
on tackling that right now, though. Stuff like the way you split up
the dir2 headers is also a step in the right direction...

> > > Thanks for reposting your 3.8 queue, BTW.  Sometimes I think that frequent
> > > reposts are inconvenient, but in this case I think it will be helpful.
> > 
> > When I'm having trouble tracking of several of my own patch sets for
> > the same release, it's time for re-organisation and a repost.
> > Besides, it's a habit Christoph and I got into a while back when we
> > had lots of work going on and we needed to make sure nothing
> > slipped through the cracks..... :)
> For anything more than one or two simple patches a complete repost is
> they way to spell a ping.  Once you're having dozends of patches it's
> almost guaranteed there are a few small fixes or context changes by the
> time of the ping, and the repost takes care of having an uptodate
> version.
> And in case anyone wonder, yes I plan to get back to reviewing your bits
> soon.



Dave Chinner

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