linux-kernel - Re: TrueCrypt hangs when unmounting disk partition

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Message-ID: <20150702131910.GA30677@mtj.duckdns.org>
Date:	Thu, 2 Jul 2015 09:19:10 -0400
From:	Tejun Heo <tj@...nel.org>
To:	Krzysztof Kolasa <kkolasa@...soft.pl>
Cc:	axboe@...nel.dk, lizefan@...wei.com, hannes@...xchg.org,
	cgroups@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>
Subject: Re: TrueCrypt hangs when unmounting disk partition

Hello, Krzysztof.

On Thu, Jul 02, 2015 at 11:53:53AM +0200, Krzysztof Kolasa wrote:
> Kernel next, this is the first bad commit ( after bisect ):
> 
> e4bc13adfd016fc1036838170288b5680d1a98b0
> 
> Merge branch 'for-4.2/writeback' of git://git.kernel.dk/linux-block
> 
> After the command to unmount, partition will be unmounted, truecrypt hangs

Yeah, there's a bug with bdi_writeback_congested handling.  There are
fix patches pending.

  http://lkml.kernel.org/g/20150702005253.GA26440@mtj.duckdns.org
  http://lkml.kernel.org/g/20150702005337.GB26440@mtj.duckdns.org

Thanks.

-- 
tejun
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