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Date: Fri, 5 Dec 2014 08:22:35 +0800
From: Qu Wenruo <quwenruo@cn.fujitsu.com>
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To: <dsterba@suse.cz>, <linux-btrfs@vger.kernel.org>
Subject: Re: [PATCH 2/3] btrfs-progs:fsck: Recover btree with some corrupted
 leaf/node.
References: <1417661565-14595-1-git-send-email-quwenruo@cn.fujitsu.com> <1417661565-14595-3-git-send-email-quwenruo@cn.fujitsu.com> <20141204173546.GI9754@twin.jikos.cz>
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-------- Original Message --------
Subject: Re: [PATCH 2/3] btrfs-progs:fsck: Recover btree with some 
corrupted leaf/node.
From: David Sterba <dsterba@suse.cz>
To: Qu Wenruo <quwenruo@cn.fujitsu.com>
Date: 2014年12月05日 01:35
> On Thu, Dec 04, 2014 at 10:52:44AM +0800, Qu Wenruo wrote:
>> +	trans = btrfs_start_transaction(root, -1);
> What does '-1' mean here? I've never seen this before, just curious.
I'am not completely sure, but when deleting item, num_blocks will be 
minus or still 1?

Thanks,
Qu