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Message-ID: <4C0F3C66.1020601@kernel.org>
Date: Wed, 09 Jun 2010 09:01:58 +0200
From: Tejun Heo <tj@kernel.org>
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To: Al Viro <viro@ZenIV.linux.org.uk>
CC: linux-kernel@vger.kernel.org, Rusty Russell <rusty@rustcorp.com.au>,
       Linus Torvalds <torvalds@linux-foundation.org>,
       Jari Ruusu <jariruusu@users.sourceforge.net>,
       Nick Piggin <npiggin@suse.de>, Jens Axboe <jens.axboe@oracle.com>
Subject: Re: 2.6.35-rc2 module reference counting broken
References: <4C0C819E.EA5D6A18@users.sourceforge.net> <20100607064412.GK31073@ZenIV.linux.org.uk> <20100608234814.GA19826@ZenIV.linux.org.uk>
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Hello,

On 06/09/2010 01:48 AM, Al Viro wrote:
>>     block: implement bd_claiming and claiming block
>>
>> I'm far too sleepy right now, but I'd start with reviewing what that
>> thing is doing to module refcounting...
> 
> Yeah...  bd_start_claiming() grabs a reference to gendisk and we never
> let it go.  There's your leak...

Eh, I thought you were cc'd.  Sorry.  This was fixed sometime back by
Nick and queued in block tree (delayed due to mail misdelivery).

  http://thread.gmane.org/gmane.linux.file-systems/40655

Thanks.

-- 
tejun
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