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To: Tejun Heo <tj@kernel.org>, Wanlong Gao <gaowanlong@cn.fujitsu.com>
From: Chris Mason <clmason@fusionio.com>
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Message-ID: <20130419121532.30947.69296@localhost.localdomain>
Subject: Re: [BUG REPORT] Kernel panic on 3.9.0-rc7-4-gbb33db7
Date: Fri, 19 Apr 2013 08:15:32 -0400
Sender: linux-btrfs-owner@vger.kernel.org
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Quoting Tejun Heo (2013-04-19 01:57:54)
> 
> Ewweeeeeeeeeeeeeeeeeehh........
> 
> No wonder this thing crashes.  Chris, can't the original bio carry
> bbio in bi_private and let end_bio_extent_readpage() free the bbio
> instead of abusing bi_bdev like this?

Yes, we can definitely carry bbio up higher in the stack.  I'll patch it
up right now.  I do agree that it'll be too big for -final, but we'll
have it either way.

-chris