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- #ifndef _LINUX_CDEV_H
- #define _LINUX_CDEV_H
-
- #include <linux/kobject.h>
- #include <linux/kdev_t.h>
- #include <linux/list.h>
-
- struct file_operations;
- struct inode;
- struct module;
-
- struct cdev {
- struct kobject kobj;
- struct module *owner;
- const struct file_operations *ops;
- struct list_head list;
- dev_t dev;
- unsigned int count;
- };
-
- void cdev_init(struct cdev *, const struct file_operations *);
-
- struct cdev *cdev_alloc(void);
-
- void cdev_put(struct cdev *p);
-
- int cdev_add(struct cdev *, dev_t, unsigned);
-
- void cdev_del(struct cdev *);
-
- void cd_forget(struct inode *);
-
- extern struct backing_dev_info directly_mappable_cdev_bdi;
-
- #endif
-