linux-ext4 - Re: [PATCH v3] ext4: Prevent race while waling extent tree

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Date:	Mon, 19 Nov 2012 12:11:35 +0100 (CET)
From:	Lukáš Czerner <lczerner@...hat.com>
To:	"Theodore Ts'o" <tytso@....edu>
cc:	Lukáš Czerner <lczerner@...hat.com>,
	Zach Brown <zab@...hat.com>, Peng Tao <bergwolf@...il.com>,
	linux-ext4@...r.kernel.org, dmonakhov@...nvz.org
Subject: Re: [PATCH v3] ext4: Prevent race while waling extent tree

On Sun, 18 Nov 2012, Theodore Ts'o wrote:

> Date: Sun, 18 Nov 2012 22:24:30 -0500
> From: Theodore Ts'o <tytso@....edu>
> To: Lukáš Czerner <lczerner@...hat.com>
> Cc: Zach Brown <zab@...hat.com>, Peng Tao <bergwolf@...il.com>,
>     linux-ext4@...r.kernel.org, dmonakhov@...nvz.org
> Subject: Re: [PATCH v3] ext4: Prevent race while waling extent tree
> 
> On Thu, Nov 15, 2012 at 05:39:06PM +0100, Lukáš Czerner wrote:
> > You're both right. The code have to be reorganized. The
> > ext4_ext_fiemap_cb() is ugly as hell, but luckily that will be
> > resolved with extent status tree patches from Zheng Liu, however the
> > indirection in ext4_ext_walk_space() and the callback business
> > is also pointless.
> 
> Hi Lukas,
> 
> Is your patch going to be dependent on whether the extent status tree
> patches are applied?
> 
> If so, you might want to develop your patch versus the ext4 git tree's
> master branch, which includes the extent status patches currently
> queued for the next merge window.
> 
> Thanks!!
> 
> 					- Ted

Yes, there is a small conflict. I'll base it on top of the ext4 git
tree.

Thanks!
-Lukas