android_kernel_motorola_sm6225/include/linux/dnotify.h
Eric Paris 3c5119c05d dnotify: reimplement dnotify using fsnotify
Reimplement dnotify using fsnotify.

Signed-off-by: Eric Paris <eparis@redhat.com>
Acked-by: Al Viro <viro@zeniv.linux.org.uk>
Cc: Christoph Hellwig <hch@lst.de>
2009-06-11 14:57:53 -04:00

49 lines
978 B
C

#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 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 */