From ceb5bdc2d246f6d81cf61ed70f325308a11821d2 Mon Sep 17 00:00:00 2001
From: Nick Piggin <npiggin@kernel.dk>
Date: Fri, 7 Jan 2011 17:50:05 +1100
Subject: fs: dcache per-bucket dcache hash locking

We can turn the dcache hash locking from a global dcache_hash_lock into
per-bucket locking.

Signed-off-by: Nick Piggin <npiggin@kernel.dk>
---
 fs/super.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'fs/super.c')

diff --git a/fs/super.c b/fs/super.c
index ca69615..968ba01 100644
--- a/fs/super.c
+++ b/fs/super.c
@@ -30,6 +30,7 @@
 #include <linux/idr.h>
 #include <linux/mutex.h>
 #include <linux/backing-dev.h>
+#include <linux/rculist_bl.h>
 #include "internal.h"
 
 
@@ -71,7 +72,7 @@ static struct super_block *alloc_super(struct file_system_type *type)
 		INIT_LIST_HEAD(&s->s_files);
 #endif
 		INIT_LIST_HEAD(&s->s_instances);
-		INIT_HLIST_HEAD(&s->s_anon);
+		INIT_HLIST_BL_HEAD(&s->s_anon);
 		INIT_LIST_HEAD(&s->s_inodes);
 		INIT_LIST_HEAD(&s->s_dentry_lru);
 		init_rwsem(&s->s_umount);
-- 
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