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Date: Tue, 28 Jan 2014 09:37:17 -0500
From: Josef Bacik <jbacik@fb.com>
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To: Wang Shilong <wangshilong1991@gmail.com>, <linux-btrfs@vger.kernel.org>
Subject: Re: [PATCH v2] Btrfs: do not use extent commit root for sending
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On 01/14/2014 11:26 AM, Wang Shilong wrote:
> From: Wang Shilong <wangsl.fnst@cn.fujitsu.com>
>
> Now we have kicked off transaction from btrfs send, it is not safe
> that we use extent commit root to search.
>
> I happended to catch this problem when running sending and snapshot
> in my desktop.

I'm confused about this, we are searching a read only snapshot, why 
isn't looking at the commit root ok?  Thanks,

Josef