1 #ifndef __FS_NOTIFY_FSNOTIFY_H_ 2 #define __FS_NOTIFY_FSNOTIFY_H_ 3 4 #include <linux/list.h> 5 #include <linux/fsnotify.h> 6 #include <linux/srcu.h> 7 #include <linux/types.h> 8 9 /* destroy all events sitting in this groups notification queue */ 10 extern void fsnotify_flush_notify(struct fsnotify_group *group); 11 12 /* protects reads of inode and vfsmount marks list */ 13 extern struct srcu_struct fsnotify_mark_srcu; 14 15 /* compare two groups for sorting of marks lists */ 16 extern int fsnotify_compare_groups(struct fsnotify_group *a, 17 struct fsnotify_group *b); 18 19 extern void fsnotify_set_inode_mark_mask_locked(struct fsnotify_mark *fsn_mark, 20 __u32 mask); 21 /* add a mark to an inode */ 22 extern int fsnotify_add_inode_mark(struct fsnotify_mark *mark, 23 struct fsnotify_group *group, struct inode *inode, 24 int allow_dups); 25 /* add a mark to a vfsmount */ 26 extern int fsnotify_add_vfsmount_mark(struct fsnotify_mark *mark, 27 struct fsnotify_group *group, struct vfsmount *mnt, 28 int allow_dups); 29 30 /* vfsmount specific destruction of a mark */ 31 extern void fsnotify_destroy_vfsmount_mark(struct fsnotify_mark *mark); 32 /* inode specific destruction of a mark */ 33 extern void fsnotify_destroy_inode_mark(struct fsnotify_mark *mark); 34 /* run the list of all marks associated with inode and flag them to be freed */ 35 extern void fsnotify_clear_marks_by_inode(struct inode *inode); 36 /* run the list of all marks associated with vfsmount and flag them to be freed */ 37 extern void fsnotify_clear_marks_by_mount(struct vfsmount *mnt); 38 /* 39 * update the dentry->d_flags of all of inode's children to indicate if inode cares 40 * about events that happen to its children. 41 */ 42 extern void __fsnotify_update_child_dentry_flags(struct inode *inode); 43 44 /* allocate and destroy and event holder to attach events to notification/access queues */ 45 extern struct fsnotify_event_holder *fsnotify_alloc_event_holder(void); 46 extern void fsnotify_destroy_event_holder(struct fsnotify_event_holder *holder); 47 48 #endif /* __FS_NOTIFY_FSNOTIFY_H_ */ 49