[PATCH] configfs: Consolidate locking around configfs_detach_prep() in configfs_rmdir()

[safe/jmp/linux-2.6] / fs / configfs / mount.c

diff --git a/fs/configfs/mount.c b/fs/configfs/mount.c
index 3bf0278..8421cea 100644 (file)
--- a/fs/configfs/mount.c
+++ b/fs/configfs/mount.c
@@ -92,7 +92,7 @@ static int configfs_fill_super(struct super_block *sb, void *data, int silent)
 
        root = d_alloc_root(inode);
        if (!root) {
-               pr_debug("%s: could not get root dentry!\n",__FUNCTION__);
+               pr_debug("%s: could not get root dentry!\n",__func__);
                iput(inode);
                return -ENOMEM;
        }
@@ -128,7 +128,7 @@ void configfs_release_fs(void)
 }
 
 
-static decl_subsys(config, NULL, NULL);
+static struct kobject *config_kobj;
 
 static int __init configfs_init(void)
 {
@@ -140,9 +140,8 @@ static int __init configfs_init(void)
        if (!configfs_dir_cachep)
                goto out;
 
-       kobj_set_kset_s(&config_subsys, kernel_subsys);
-       err = subsystem_register(&config_subsys);
-       if (err) {
+       config_kobj = kobject_create_and_add("config", kernel_kobj);
+       if (!config_kobj) {
                kmem_cache_destroy(configfs_dir_cachep);
                configfs_dir_cachep = NULL;
                goto out;
@@ -151,7 +150,7 @@ static int __init configfs_init(void)
        err = register_filesystem(&configfs_fs_type);
        if (err) {
                printk(KERN_ERR "configfs: Unable to register filesystem!\n");
-               subsystem_unregister(&config_subsys);
+               kobject_put(config_kobj);
                kmem_cache_destroy(configfs_dir_cachep);
                configfs_dir_cachep = NULL;
                goto out;
@@ -160,7 +159,7 @@ static int __init configfs_init(void)
        err = configfs_inode_init();
        if (err) {
                unregister_filesystem(&configfs_fs_type);
-               subsystem_unregister(&config_subsys);
+               kobject_put(config_kobj);
                kmem_cache_destroy(configfs_dir_cachep);
                configfs_dir_cachep = NULL;
        }
@@ -171,7 +170,7 @@ out:
 static void __exit configfs_exit(void)
 {
        unregister_filesystem(&configfs_fs_type);
-       subsystem_unregister(&config_subsys);
+       kobject_put(config_kobj);
        kmem_cache_destroy(configfs_dir_cachep);
        configfs_dir_cachep = NULL;
        configfs_inode_exit();