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Re: [PATCH 2/5] xfs: don't perform lookups on zero-height btrees

To: "Darrick J. Wong" <darrick.wong@xxxxxxxxxx>
Subject: Re: [PATCH 2/5] xfs: don't perform lookups on zero-height btrees
From: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Thu, 25 Aug 2016 01:10:25 -0700
Cc: david@xxxxxxxxxxxxx, linux-xfs@xxxxxxxxxxxxxxx, xfs@xxxxxxxxxxx
Delivered-to: xfs@xxxxxxxxxxx
In-reply-to: <147200524120.14738.16686498030898663475.stgit@xxxxxxxxxxxxxxxx>
References: <147200522764.14738.15186015137934319456.stgit@xxxxxxxxxxxxxxxx> <147200524120.14738.16686498030898663475.stgit@xxxxxxxxxxxxxxxx>
User-agent: Mutt/1.6.1 (2016-04-27)
Looks fine, but could probably use an unlikely():

Reviewed-by: Christoph Hellwig <hch@xxxxxx>

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