From: Li Zefan <lizf@cn.fujitsu.com>
Date: Wed, 20 Jul 2011 03:46:35 +0000 (+0000)
Subject: Btrfs: fix readahead in file defrag
X-Git-Tag: v3.1-rc1~82^2~21
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b6973aa62253f3791ef6fa5e9f9de099645fc2bd;p=pandora-kernel.git

Btrfs: fix readahead in file defrag

We passed the wrong value to btrfs_force_ra(). Fix this by changing
the argument of btrfs_force_ra() from last_index to nr_page.

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
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