4 files changed, 22 insertions, 2 deletions
diff --git a/fs/configfs/configfs_internal.h b/fs/configfs/configfs_internal.h
index 3b0185f..cca9860 100644
--- a/fs/configfs/configfs_internal.h
+++ b/fs/configfs/configfs_internal.h
@@ -56,6 +56,8 @@ extern int configfs_is_root(struct config_item *item);
 
 extern struct inode * configfs_new_inode(mode_t mode, struct configfs_dirent *);
 extern int configfs_create(struct dentry *, int mode, int (*init)(struct inode *));
+extern int configfs_inode_init(void);
+extern void configfs_inode_exit(void);
 
 extern int configfs_create_file(struct config_item *, const struct configfs_attribute *);
 extern int configfs_make_dirent(struct configfs_dirent *,
diff --git a/fs/configfs/dir.c b/fs/configfs/dir.c
index 2f436d4..50ed691 100644
--- a/fs/configfs/dir.c
+++ b/fs/configfs/dir.c
@@ -142,7 +142,7 @@ static int init_dir(struct inode * inode)
 	return 0;
 }
 
-static int init_file(struct inode * inode)
+static int configfs_init_file(struct inode * inode)
 {
 	inode->i_size = PAGE_SIZE;
 	inode->i_fop = &configfs_file_operations;
@@ -283,7 +283,8 @@ static int configfs_attach_attr(struct configfs_dirent * sd, struct dentry * den
 
 	dentry->d_fsdata = configfs_get(sd);
 	sd->s_dentry = dentry;
-	error = configfs_create(dentry, (attr->ca_mode & S_IALLUGO) | S_IFREG, init_file);
+	error = configfs_create(dentry, (attr->ca_mode & S_IALLUGO) | S_IFREG,
+				configfs_init_file);
 	if (error) {
 		configfs_put(sd);
 		return error;
diff --git a/fs/configfs/inode.c b/fs/configfs/inode.c
index dbd257d..4c1ebff 100644
--- a/fs/configfs/inode.c
+++ b/fs/configfs/inode.c
@@ -256,4 +256,12 @@ void configfs_hash_and_remove(struct dentry * dir, const char * name)
 	mutex_unlock(&dir->d_inode->i_mutex);
 }
 
+int __init configfs_inode_init(void)
+{
+	return bdi_init(&configfs_backing_dev_info);
+}
 
+void __exit configfs_inode_exit(void)
+{
+	bdi_destroy(&configfs_backing_dev_info);
+}
diff --git a/fs/configfs/mount.c b/fs/configfs/mount.c
index 871b0cb6..3bf0278 100644
--- a/fs/configfs/mount.c
+++ b/fs/configfs/mount.c
@@ -154,8 +154,16 @@ static int __init configfs_init(void)
 		subsystem_unregister(&config_subsys);
 		kmem_cache_destroy(configfs_dir_cachep);
 		configfs_dir_cachep = NULL;
+		goto out;
 	}
 
+	err = configfs_inode_init();
+	if (err) {
+		unregister_filesystem(&configfs_fs_type);
+		subsystem_unregister(&config_subsys);
+		kmem_cache_destroy(configfs_dir_cachep);
+		configfs_dir_cachep = NULL;
+	}
 out:
 	return err;
 }
@@ -166,6 +174,7 @@ static void __exit configfs_exit(void)
 	subsystem_unregister(&config_subsys);
 	kmem_cache_destroy(configfs_dir_cachep);
 	configfs_dir_cachep = NULL;
+	configfs_inode_exit();
 }
 
 MODULE_AUTHOR("Oracle");