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Date:	Mon, 24 Nov 2008 21:03:21 +0300
From:	Alex Zhuravlev <Alex.Zhuravlev@....COM>
To:	"Aneesh Kumar K.V" <>
Cc:	Theodore Tso <tytso@....EDU>,,,
Subject: Re: [PATCH -V2 3/5] ext4: Fix the race between read_block_bitmap and

Aneesh Kumar K.V wrote:
> On Mon, Nov 24, 2008 at 07:36:49PM +0300, Alex Zhuravlev wrote:
>> Aneesh Kumar K.V wrote:
>>> Ok the changes was not done for this purpose. I need to make sure we
>>> update bitmap and clear group_desc uninit flag after taking sb_bgl_lock
>>> That means when we claim blocks we can't use mb_set_bits with
>>> sb_bgl_lock because we would already be holding it. How about the below
>>> change
>> may I have a look at the original patch?

I don't understand how a group can be "uninit" if we do some manipulations
inside. both allocation and preallocation initialize group first, see in

thanks, Alex

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