From: Peng Tao <bergwolf@gmail.com>
Date: Thu, 12 Jan 2012 15:18:41 +0000 (+0800)
Subject: pnfsblock: acquire im_lock in _preload_range
X-Git-Tag: v3.2.2~53
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ae6481331e29dd7a055c70b7abaaef9e01c60ced;p=pandora-kernel.git

pnfsblock: acquire im_lock in _preload_range

commit 39e567ae36fe03c2b446e1b83ee3d39bea08f90b upstream.

When calling _add_entry, we should take the im_lock to protect
agains other modifiers.

Signed-off-by: Peng Tao <peng_tao@emc.com>
Signed-off-by: Benny Halevy <bhalevy@tonian.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

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