From 3e037e5211252902a188a6a11aecd247409d0229 Mon Sep 17 00:00:00 2001
From: T Makphaibulchoke <tmac@hp.com>
Date: Tue, 18 Mar 2014 19:19:41 -0400
Subject: [PATCH] fs/mbcache.c: change block and index hash chain to
 hlist_bl_node

This patch changes each mb_cache's both block and index hash chains to
use a hlist_bl_node, which contains a built-in lock.  This is the
first step in decoupling of locks serializing accesses to mb_cache
global data and each mb_cache_entry local data.

Signed-off-by: T. Makphaibulchoke <tmac@hp.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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