linux-kernel - [PATCH 1/2] anondev: init IDR statically

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Date:	Thu, 28 Aug 2008 06:25:49 +0400
From:	Alexey Dobriyan <adobriyan@...il.com>
To:	akpm@...l.org, viro@...iv.linux.org.uk
Cc:	linux-kernel@...r.kernel.org
Subject: [PATCH 1/2] anondev: init IDR statically

Signed-off-by: Alexey Dobriyan <adobriyan@...il.com>
---

 fs/super.c         |    7 +------
 include/linux/fs.h |    1 -
 init/main.c        |    1 -
 3 files changed, 1 insertion(+), 8 deletions(-)

--- a/fs/super.c
+++ b/fs/super.c
@@ -682,7 +682,7 @@ void emergency_remount(void)
  * filesystems which don't use real block-devices.  -- jrs
  */
 
-static struct idr unnamed_dev_idr;
+static DEFINE_IDR(unnamed_dev_idr);
 static DEFINE_SPINLOCK(unnamed_dev_lock);/* protects the above */
 
 int set_anon_super(struct super_block *s, void *data)
@@ -726,11 +726,6 @@ void kill_anon_super(struct super_block *sb)
 
 EXPORT_SYMBOL(kill_anon_super);
 
-void __init unnamed_dev_init(void)
-{
-	idr_init(&unnamed_dev_idr);
-}
-
 void kill_litter_super(struct super_block *sb)
 {
 	if (sb->s_root)
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1568,7 +1568,6 @@ extern int get_sb_pseudo(struct file_system_type *, char *,
 	struct vfsmount *mnt);
 extern int simple_set_mnt(struct vfsmount *mnt, struct super_block *sb);
 int __put_super_and_need_restart(struct super_block *sb);
-void unnamed_dev_init(void);
 
 /* Alas, no aliases. Too much hassle with bringing module.h everywhere */
 #define fops_get(fops) \
--- a/init/main.c
+++ b/init/main.c
@@ -686,7 +686,6 @@ asmlinkage void __init start_kernel(void)
 	fork_init(num_physpages);
 	proc_caches_init();
 	buffer_init();
-	unnamed_dev_init();
 	key_init();
 	security_init();
 	vfs_caches_init(num_physpages);

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