From: Liu Bo <liub.liubo@gmail.com>
Date: Sat, 8 Sep 2012 02:01:28 +0000 (-0600)
Subject: Btrfs: fix a bug in parsing return value in logical resolve
X-Git-Tag: v3.7-rc1~71^2~58
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=69917e431210f8712fe050f47b7561e7dae89521;p=pandora-kernel.git

Btrfs: fix a bug in parsing return value in logical resolve

In logical resolve, we parse extent_from_logical()'s 'ret' as a kind of flag.

It is possible to lose our errors because
(-EXXXX & BTRFS_EXTENT_FLAG_TREE_BLOCK) is true.

I'm not sure if it is on purpose, it just looks too hacky if it is.
I'd rather use a real flag and a 'ret' to catch errors.

Acked-by: Jan Schmidt <list.btrfs@jan-o-sch.net>
Signed-off-by: Liu Bo <liub.liubo@gmail.com>
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