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#ifndef __FS_NOTIFY_FSNOTIFY_H_
#define __FS_NOTIFY_FSNOTIFY_H_
#include <linux/list.h>
#include <linux/fsnotify.h>
#include <linux/srcu.h>
#include <linux/types.h>
/* protects reads of fsnotify_groups */
extern struct srcu_struct fsnotify_grp_srcu;
/* all groups which receive inode fsnotify events */
extern struct list_head fsnotify_inode_groups;
/* all groups which receive vfsmount fsnotify events */
extern struct list_head fsnotify_vfsmount_groups;
/* all bitwise OR of all event types (FS_*) for all fsnotify_inode_groups */
extern __u32 fsnotify_inode_mask;
/* all bitwise OR of all event types (FS_*) for all fsnotify_vfsmount_groups */
extern __u32 fsnotify_vfsmount_mask;
/* destroy all events sitting in this groups notification queue */
extern void fsnotify_flush_notify(struct fsnotify_group *group);
extern void fsnotify_set_inode_mark_mask_locked(struct fsnotify_mark *fsn_mark,
__u32 mask);
/* add a mark to an inode */
extern int fsnotify_add_inode_mark(struct fsnotify_mark *mark,
struct fsnotify_group *group, struct inode *inode,
int allow_dups);
/* add a mark to a vfsmount */
extern int fsnotify_add_vfsmount_mark(struct fsnotify_mark *mark,
struct fsnotify_group *group, struct vfsmount *mnt,
int allow_dups);
/* add a group to the inode group list */
extern void fsnotify_add_inode_group(struct fsnotify_group *group);
/* add a group to the vfsmount group list */
extern void fsnotify_add_vfsmount_group(struct fsnotify_group *group);
/* final kfree of a group */
extern void fsnotify_final_destroy_group(struct fsnotify_group *group);
/* vfsmount specific destruction of a mark */
extern void fsnotify_destroy_vfsmount_mark(struct fsnotify_mark *mark);
/* inode specific destruction of a mark */
extern void fsnotify_destroy_inode_mark(struct fsnotify_mark *mark);
/* run the list of all marks associated with inode and flag them to be freed */
extern void fsnotify_clear_marks_by_inode(struct inode *inode);
/* run the list of all marks associated with vfsmount and flag them to be freed */
extern void fsnotify_clear_marks_by_mount(struct vfsmount *mnt);
/*
* update the dentry->d_flags of all of inode's children to indicate if inode cares
* about events that happen to its children.
*/
extern void __fsnotify_update_child_dentry_flags(struct inode *inode);
/* allocate and destroy and event holder to attach events to notification/access queues */
extern struct fsnotify_event_holder *fsnotify_alloc_event_holder(void);
extern void fsnotify_destroy_event_holder(struct fsnotify_event_holder *holder);
#endif /* __FS_NOTIFY_FSNOTIFY_H_ */
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