linux-kernel - Re: linux-next: manual merge of the drbd tree with the block trees

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Message-Id: <201006141208.37222.philipp.reisner@linbit.com>
Date:	Mon, 14 Jun 2010 12:08:33 +0200
From:	Philipp Reisner <philipp.reisner@...bit.com>
To:	Jens Axboe <axboe@...nel.dk>
Cc:	Stephen Rothwell <sfr@...b.auug.org.au>, drbd-dev@...ts.linbit.com,
	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: linux-next: manual merge of the drbd tree with the block trees

Am Montag, 14. Juni 2010, um 11:45:00 schrieb Jens Axboe:
> On 2010-06-14 11:43, Philipp Reisner wrote:
> > Am Montag, 14. Juni 2010, um 11:08:28 schrieb Jens Axboe:
> >> On 2010-06-14 03:26, Stephen Rothwell wrote:
> >>> Hi Jens, Philipp,
> >>> 
> >>> On Thu, 10 Jun 2010 08:01:35 +0200 Jens Axboe <axboe@...nel.dk> wrote:
> >>>> I'm starting to think that it would be a little easier if you did not
> >>>> pull the drbd tree, I really should be pulling that into my -next
> >>>> branch instead.
> >>> 
> >>> Given that the drbd tree has not been updated to match the increasingly
> >>> different block tree, I have dropped it for today.
> >>> 
> >>> There a a few possibilities here:
> >>> 	- I just drop the drbd tree completely and it only gets merged
> >>> 
> >>> into the block tree.
> >>> 
> >>> 	- if the drbd tree doesn't actually depend on any of the features
> >>> 
> >>> in the block tree then it could be rebased onto Linus tree (and I would
> >>> cope with any merge fixups - as I do with many other trees).
> >>> 
> >>> 	- if it does depend on things in the block tree, those particular
> >>> 
> >>> features in the block tree could be put in a separate branch that is
> >>> never rebased and then that branch could be merged into both the block
> >>> and drbd trees (this has been done before e.g. stuff in the vfs tree.
> >>> 
> >>> 	- the drbd tree could be rebased on tom of the current block tree
> >>> 
> >>> (but then it must be kept up to date if the block tree is rebased).
> >> 
> >> The thing with the dependencies is that sometimes they are true,
> >> sometimes they are not. What I suggested to the drbd team is that they
> >> always just base off Linus and then ask me to pull their changes, then I
> >> will resolve any potential conflicts when that happens. The consequence
> >> would be that you stop pulling the drbd tree separately.
> > 
> > Ok, from now on I will use Linus most recent -rc as base and put DRBD
> > patches on top of that. -- I will do this today (CEST timezone).
> 
> You want to continue to use for-2.6.xx for your next version updates, as
> that has a larger risk of containing things you need to adapt to. But
> for current version patches, Linus' branch is fine.

Ok, so I will have a for-jens and a for-jens-next branch. Where for-jens
is based on Linus' branch, and for-jens-next is based on your for-2.6.xx.

Best,
 Phil
-- 
: Dipl-Ing Philipp Reisner
: LINBIT | Your Way to High Availability
: Tel: +43-1-8178292-50, Fax: +43-1-8178292-82
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