2005-04-16 16:20:36 -06:00
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#ifndef _LINUX_CDEV_H
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#define _LINUX_CDEV_H
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2006-12-06 21:36:14 -07:00
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#include <linux/kobject.h>
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#include <linux/kdev_t.h>
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#include <linux/list.h>
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2007-01-29 14:19:56 -07:00
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struct file_operations;
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struct inode;
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struct module;
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2005-04-16 16:20:36 -06:00
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struct cdev {
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struct kobject kobj;
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struct module *owner;
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2006-03-28 02:56:41 -07:00
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const struct file_operations *ops;
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2005-04-16 16:20:36 -06:00
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struct list_head list;
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dev_t dev;
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unsigned int count;
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};
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2006-03-28 02:56:41 -07:00
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void cdev_init(struct cdev *, const struct file_operations *);
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2005-04-16 16:20:36 -06:00
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struct cdev *cdev_alloc(void);
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void cdev_put(struct cdev *p);
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int cdev_add(struct cdev *, dev_t, unsigned);
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void cdev_del(struct cdev *);
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2009-05-21 14:01:00 -06:00
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int cdev_index(struct inode *inode);
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2005-04-16 16:20:36 -06:00
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void cd_forget(struct inode *);
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2006-09-27 02:50:16 -06:00
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extern struct backing_dev_info directly_mappable_cdev_bdi;
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2005-04-16 16:20:36 -06:00
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#endif
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