[GitHub/mt8127/android_kernel_alcatel_ttab.git] / include / linux / dnotify.h

#ifndef _LINUX_DNOTIFY_H
#define _LINUX_DNOTIFY_H
/*
 * Directory notification for Linux
 *
 * Copyright (C) 2000,2002 Stephen Rothwell
 */

#include <linux/fs.h>

struct dnotify_struct {
	struct dnotify_struct *	dn_next;
	__u32			dn_mask;
	int			dn_fd;
	struct file *		dn_filp;
	fl_owner_t		dn_owner;
};

#ifdef __KERNEL__


#ifdef CONFIG_DNOTIFY

#define DNOTIFY_ALL_EVENTS (FS_DELETE | FS_DELETE_CHILD |\
			    FS_MODIFY | FS_MODIFY_CHILD |\
			    FS_ACCESS | FS_ACCESS_CHILD |\
			    FS_ATTRIB | FS_ATTRIB_CHILD |\
			    FS_CREATE | FS_DN_RENAME |\
			    FS_MOVED_FROM | FS_MOVED_TO)

extern int dir_notify_enable;
extern void dnotify_flush(struct file *, fl_owner_t);
extern int fcntl_dirnotify(int, struct file *, unsigned long);

#else

static inline void dnotify_flush(struct file *filp, fl_owner_t id)
{
}

static inline int fcntl_dirnotify(int fd, struct file *filp, unsigned long arg)
{
	return -EINVAL;
}

#endif /* CONFIG_DNOTIFY */

#endif /* __KERNEL __ */

#endif /* _LINUX_DNOTIFY_H */
Commit	Line	Data
1da177e4 LT	1	#ifndef _LINUX_DNOTIFY_H
	2	#define _LINUX_DNOTIFY_H
	3	/*
	4	* Directory notification for Linux
	5	*
	6	* Copyright (C) 2000,2002 Stephen Rothwell
	7	*/
	8
	9	#include <linux/fs.h>
	10
	11	struct dnotify_struct {
	12	struct dnotify_struct * dn_next;
3c5119c0	13	__u32 dn_mask;
1da177e4 LT	14	int dn_fd;
	15	struct file * dn_filp;
	16	fl_owner_t dn_owner;
	17	};
	18
	19	#ifdef __KERNEL__
	20
1da177e4 LT	21
	22	#ifdef CONFIG_DNOTIFY
	23
3c5119c0 EP	24	#define DNOTIFY_ALL_EVENTS (FS_DELETE \| FS_DELETE_CHILD \|\
	25	FS_MODIFY \| FS_MODIFY_CHILD \|\
	26	FS_ACCESS \| FS_ACCESS_CHILD \|\
	27	FS_ATTRIB \| FS_ATTRIB_CHILD \|\
	28	FS_CREATE \| FS_DN_RENAME \|\
	29	FS_MOVED_FROM \| FS_MOVED_TO)
	30
6e006701	31	extern int dir_notify_enable;
1da177e4 LT	32	extern void dnotify_flush(struct file *, fl_owner_t);
1da177e4 LT	33	extern int fcntl_dirnotify(int, struct file *, unsigned long);
1da177e4 LT	34
	35	#else
	36
1da177e4 LT	37	static inline void dnotify_flush(struct file *filp, fl_owner_t id)
	38	{
	39	}
	40
	41	static inline int fcntl_dirnotify(int fd, struct file *filp, unsigned long arg)
	42	{
	43	return -EINVAL;
	44	}
	45
1da177e4 LT	46	#endif /* CONFIG_DNOTIFY */
	47
	48	#endif /* __KERNEL __ */
	49
	50	#endif /* _LINUX_DNOTIFY_H */