1 #ifndef __FS_NOTIFY_FSNOTIFY_H_
2 #define __FS_NOTIFY_FSNOTIFY_H_
4 #include <linux/list.h>
5 #include <linux/fsnotify.h>
6 #include <linux/srcu.h>
7 #include <linux/types.h>
11 struct fsnotify_iter_info {
12 struct fsnotify_mark *inode_mark;
13 struct fsnotify_mark *vfsmount_mark;
17 /* destroy all events sitting in this groups notification queue */
18 extern void fsnotify_flush_notify(struct fsnotify_group *group);
20 /* protects reads of inode and vfsmount marks list */
21 extern struct srcu_struct fsnotify_mark_srcu;
23 /* compare two groups for sorting of marks lists */
24 extern int fsnotify_compare_groups(struct fsnotify_group *a,
25 struct fsnotify_group *b);
27 /* Find mark belonging to given group in the list of marks */
28 extern struct fsnotify_mark *fsnotify_find_mark(
29 struct fsnotify_mark_connector __rcu **connp,
30 struct fsnotify_group *group);
31 /* Destroy all marks connected via given connector */
32 extern void fsnotify_destroy_marks(struct fsnotify_mark_connector __rcu **connp);
33 /* run the list of all marks associated with inode and destroy them */
34 static inline void fsnotify_clear_marks_by_inode(struct inode *inode)
36 fsnotify_destroy_marks(&inode->i_fsnotify_marks);
38 /* run the list of all marks associated with vfsmount and destroy them */
39 static inline void fsnotify_clear_marks_by_mount(struct vfsmount *mnt)
41 fsnotify_destroy_marks(&real_mount(mnt)->mnt_fsnotify_marks);
43 /* prepare for freeing all marks associated with given group */
44 extern void fsnotify_detach_group_marks(struct fsnotify_group *group);
45 /* Wait until all marks queued for destruction are destroyed */
46 extern void fsnotify_wait_marks_destroyed(void);
49 * update the dentry->d_flags of all of inode's children to indicate if inode cares
50 * about events that happen to its children.
52 extern void __fsnotify_update_child_dentry_flags(struct inode *inode);
54 /* allocate and destroy and event holder to attach events to notification/access queues */
55 extern struct fsnotify_event_holder *fsnotify_alloc_event_holder(void);
56 extern void fsnotify_destroy_event_holder(struct fsnotify_event_holder *holder);
58 #endif /* __FS_NOTIFY_FSNOTIFY_H_ */