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Message-ID: <20130202023228.GA22080@thunk.org>
Date:	Fri, 1 Feb 2013 21:32:28 -0500
From:	Theodore Ts'o <tytso@....edu>
To:	Niu Yawei <yawei.niu@...il.com>
Cc:	linux-ext4@...r.kernel.org, yawei.niu@...el.com,
	Alex Zhuravlev <bzzz@...mcloud.com>
Subject: Re: Fix race in ext4_mb_add_n_trim()

On Sun, Jan 06, 2013 at 08:09:34PM -0000, Niu Yawei wrote:
> >From 020243735e97f327ecba729ec05d4e3facdddc78 Mon Sep 17 00:00:00 2001
> From: Niu Yawei <niu@...mcloud.com>
> Date: Mon, 7 Jan 2013 01:03:26 -0500
> Subject: [PATCH] Fix race in ext4_mb_add_n_trim()
> 
> In ext4_mb_add_n_trim(), lg_prealloc_lock should be taken when
> changing the lg_prealloc_list.
> 
> Signed-off-by: Niu Yawei <yawei.niu@...el.com>

Applied, thanks!

						- Ted
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