sysfs: Add support for permanently empty directories to serve as mount points.

[android-x86/kernel.git] / include / linux / sysfs.h

diff --git a/include/linux/sysfs.h b/include/linux/sysfs.h
index ddad161..68c3b0f 100644 (file)
--- a/include/linux/sysfs.h
+++ b/include/linux/sysfs.h
@@ -195,6 +195,10 @@ int __must_check sysfs_rename_dir_ns(struct kobject *kobj, const char *new_name,
 int __must_check sysfs_move_dir_ns(struct kobject *kobj,
                                   struct kobject *new_parent_kobj,
                                   const void *new_ns);
+int __must_check sysfs_create_mount_point(struct kobject *parent_kobj,
+                                         const char *name);
+void sysfs_remove_mount_point(struct kobject *parent_kobj,
+                             const char *name);
 
 int __must_check sysfs_create_file_ns(struct kobject *kobj,
                                      const struct attribute *attr,
@@ -283,6 +287,17 @@ static inline int sysfs_move_dir_ns(struct kobject *kobj,
        return 0;
 }
 
+static inline int sysfs_create_mount_point(struct kobject *parent_kobj,
+                                          const char *name)
+{
+       return 0;
+}
+
+static inline void sysfs_remove_mount_point(struct kobject *parent_kobj,
+                                           const char *name)
+{
+}
+
 static inline int sysfs_create_file_ns(struct kobject *kobj,
                                       const struct attribute *attr,
                                       const void *ns)