linux-ext4 - Re: [PATCH -v3] ext4: Take page lock before looking at attached buffer

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Message-ID: <20090910032512.GA31907@mit.edu>
Date:	Wed, 9 Sep 2009 23:25:12 -0400
From:	Theodore Tso <tytso@....edu>
To:	"Aneesh Kumar K.V" <aneesh.kumar@...ux.vnet.ibm.com>
Cc:	cmm@...ibm.com, sandeen@...hat.com, linux-ext4@...r.kernel.org
Subject: Re: [PATCH -v3] ext4: Take page lock before looking at attached
	buffer_heads flags

On Mon, Sep 07, 2009 at 03:14:44PM +0530, Aneesh Kumar K.V wrote:
> Inorder to check whether the buffer_heads are mapped we need
> to hold page lock. Otherwise a reclaim can cleanup the attached
> buffer_heads.
> 
> Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@...ux.vnet.ibm.com>

Thanks, I've added this to the ext4 patch queue, replacing the earlier
-V2 version of this patch.

					- Ted
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