From: Yan, Zheng <zheng.z.yan@linux.intel.com>
Date: Mon, 6 Dec 2010 07:02:36 +0000 (+0000)
Subject: Btrfs: Fix page leak in compressed writeback path
X-Git-Tag: v2.6.37-rc6~30^2~8
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=24ae63656a165c870c0d69fcc8aac1dc35e25e34;p=pandora-kernel.git

Btrfs: Fix page leak in compressed writeback path

"start + num_bytes >= actual_end" can happen when compressed page writeback races
with file truncation. In that case we need unlock and release pages past the end
of file.

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