From a0846a534c5fbc40a08e2960a24bd0b8d647a840 Mon Sep 17 00:00:00 2001
From: Bob Peterson <rpeterso@redhat.com>
Date: Thu, 6 Feb 2014 10:43:50 -0500
Subject: [PATCH] GFS2: Lock i_mutex and use a local gfs2_holder for fallocate

This patch causes GFS2 to lock the i_mutex during fallocate. It
also switches from using a dinode's inode glock to using a local
holder like the other GFS2 i_operations.

Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
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