From: Filipe David Borba Manana <fdmanana@gmail.com>
Date: Tue, 19 Nov 2013 16:19:24 +0000 (+0000)
Subject: Btrfs: fix ordered extent check in btrfs_punch_hole
X-Git-Tag: v3.14-rc1~29^2~113
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6126e3caf7468a07cc1a8239d9e95090acedd3ca;p=pandora-kernel.git

Btrfs: fix ordered extent check in btrfs_punch_hole

If the ordered extent's last byte was 1 less than our region's
start byte, we would unnecessarily wait for the completion of
that ordered extent, because it doesn't intersect our target
range.

Signed-off-by: Filipe David Borba Manana <fdmanana@gmail.com>
Signed-off-by: Josef Bacik <jbacik@fb.com>
Signed-off-by: Chris Mason <clm@fb.com>
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