From: Yan Zheng <zheng.yan@oracle.com>
Date: Fri, 24 Jul 2009 15:06:53 +0000 (-0400)
Subject: Btrfs: find_free_dev_extent doesn't handle holes at the start of the device
X-Git-Tag: v2.6.31-rc5~75^2~8
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1fcbac581be375ca0a686f72ee2b7fd1dbf386e7;p=pandora-kernel.git

Btrfs: find_free_dev_extent doesn't handle holes at the start of the device

find_free_dev_extent does not properly handle the case where
the device is not complete free, and there is a free extent
at the beginning of the device.

Signed-off-by: Yan Zheng <zheng.yan@oracle.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
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