linux-ext4 - Re: [PATCH -V2 3/5] ext4: Fix the race between read_block_bitmap and mark_diskspace

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Message-id: <492AD821.9030506@sun.com>
Date:	Mon, 24 Nov 2008 19:36:49 +0300
From:	Alex Zhuravlev <Alex.Zhuravlev@....COM>
To:	"Aneesh Kumar K.V" <aneesh.kumar@...ux.vnet.ibm.com>
Cc:	Theodore Tso <tytso@....EDU>, cmm@...ibm.com, sandeen@...hat.com,
	linux-ext4@...r.kernel.org
Subject: Re: [PATCH -V2 3/5] ext4: Fix the race between read_block_bitmap and
 mark_diskspace_used

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?

thanks, Alex

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