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

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Date:	Sat, 11 Sep 2010 01:36:21 +0200
From:	Tejun Heo <tj@...nel.org>
To:	Mikulas Patocka <mpatocka@...hat.com>
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 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
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