5 #include <linux/kobject.h>
6 #include <linux/kdev_t.h>
7 #include <linux/list.h>
9 struct file_operations;
16 const struct file_operations *ops;
17 struct list_head list;
22 void cdev_init(struct cdev *, const struct file_operations *);
24 struct cdev *cdev_alloc(void);
26 void cdev_put(struct cdev *p);
28 int cdev_add(struct cdev *, dev_t, unsigned);
30 void cdev_del(struct cdev *);
32 void cd_forget(struct inode *);
34 extern struct backing_dev_info directly_mappable_cdev_bdi;