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>
This commit is contained in:
Yan Zheng 2009-07-24 11:06:53 -04:00 • committed by Chris Mason
commit 1fcbac581b