From: Chris Mason <chris.mason@oracle.com>
Date: Thu, 24 Sep 2009 00:23:16 +0000 (-0400)
Subject: Btrfs: Fix test_range_bit for whole file extents
X-Git-Tag: v2.6.32-rc1~57^2^2~5
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=46562cec98368623bcd18d7fd30f20c04afd5978;p=pandora-kernel.git

Btrfs: Fix test_range_bit for whole file extents

If test_range_bit finds an extent that goes all the way to (u64)-1, it
can incorrectly wrap the u64 instead of treaing it like the end of
the address space.

This just adds a check for the highest possible offset so we don't wrap.

Signed-off-by: Chris Mason <chris.mason@oracle.com>
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