linux-kernel - Re: [PATCH 23/41] dm: implement REQ_FLUSH/FUA support for bio-based dm

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Message-ID: <Pine.LNX.4.64.1009131456100.14720@hs20-bc2-1.build.redhat.com>
Date:	Mon, 13 Sep 2010 15:01:38 -0400 (EDT)
From:	Mikulas Patocka <mpatocka@...hat.com>
To:	Tejun Heo <tj@...nel.org>
cc:	Mike Snitzer <snitzer@...hat.com>, agk@...hat.com,
	jaxboe@...ionio.com, linux-kernel@...r.kernel.org,
	linux-fsdevel@...r.kernel.org, linux-scsi@...r.kernel.org,
	linux-ide@...r.kernel.org, linux-raid@...r.kernel.org,
	dm-devel@...hat.com, hch@....de, konishi.ryusuke@....ntt.co.jp,
	James.Bottomley@...e.de, tytso@....edu, chris.mason@...cle.com,
	swhiteho@...hat.com, vst@...b.net, jack@...e.cz,
	rwheeler@...hat.com, hare@...e.de, neilb@...e.de,
	rusty@...tcorp.com.au, mst@...hat.com, k-ueda@...jp.nec.com
Subject: Re: [PATCH 23/41] dm: implement REQ_FLUSH/FUA support for bio-based
 dm



On Sat, 11 Sep 2010, Tejun Heo wrote:

> On 09/10/2010 10:06 PM, Mikulas Patocka wrote:
> > But I have my work rules that I learned: I use no git kernels and no 
> > external patches (except Alasdair's patchset that I want to test). I only 
> > use -rc or final kernels. I need a stable computer --- I don't want to 
> > solve problems like "does it crash because I pulled something or does it 
> > crash because I made a bug in my code?" So, put that into 2.6.37-rc1 and 
> > I'll optimize flushes in dm for -rc2 or -rc3.
> 
> Alright, I'm sorry but this is as far as I would go for dm conversion
> patches.  If you wanna split it further or do it your way, please feel
> free to.  I think it would be beneficial to do things now but, hey,
> you guys are maintaining dm part of the kernel, so it's up to you
> guys.  But, I think it would be silly for everyone else to wait for
> the rather special requirement for dm, so if we have to go forward
> without dm updates, I suppose we will have to.  Jens, please feel free
> to drop dm conversion patches.
> 
> Thanks.
> -- 
> tejun

I think: take the first patch and submit it on your own, and send the rest 
of patches to Alasdair to his tree. If I get such big patches I am unable 
to immediatelly say if they are correct or not.

Mikulas
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