53  * Set on inode mark that cares about things that happen to its children.
89  * It may include events that can be sent to an inode/sb/mount mark, but cannot
133  * @mark:	mark to notify
143  * freeing_mark - called when a mark is being destroyed for some reason.  The group
144  *		MUST be holding a reference on each mark and that reference must be
153 	int (*handle_inode_event)(struct fsnotify_mark *mark, u32 mask,
157 	void (*freeing_mark)(struct fsnotify_mark *mark, struct fsnotify_group *group);
160 	void (*free_mark)(struct fsnotify_mark *mark);
210 	atomic_t num_marks;		/* 1 for each mark and 1 for not being
319 		struct fsnotify_mark *mark)  in fsnotify_iter_set_report_type_mark()  argument
321 	iter_info->marks[type] = mark;  in fsnotify_iter_set_report_type_mark()
370  * A mark is simply an object attached to an in core inode which allows an
381  * mnt->mnt_root->d_lock depending on the mark type.
384 	/* Mask this mark is for [mark->lock, group->mark_mutex] */
387 	 * in kernel that found and may be using this mark. */
389 	/* Group this mark is for. Set on mark creation, stable until last ref
393 	 * mark into destroy_list when it's waiting for the end of SRCU period
398 	/* List of marks for inode / vfsmount [connector->lock, mark ref] */
400 	/* Head of list of marks for an object [mark ref] */
402 	/* Events types to ignore [mark->lock, group->mark_mutex] */
407 	unsigned int flags;		/* flags [mark->lock] */
431 	 * This object might be watched by a mark that cares about parent/name  in fsnotify_parent_needed_mask()
513 extern void fsnotify_init_mark(struct fsnotify_mark *mark,
515 /* Find mark belonging to given group in the list of marks */
521 /* attach the mark to the object */
522 extern int fsnotify_add_mark(struct fsnotify_mark *mark,
525 extern int fsnotify_add_mark_locked(struct fsnotify_mark *mark,
530 /* attach the mark to the inode */
531 static inline int fsnotify_add_inode_mark(struct fsnotify_mark *mark,  in fsnotify_add_inode_mark()  argument
535 	return fsnotify_add_mark(mark, &inode->i_fsnotify_marks,  in fsnotify_add_inode_mark()
538 static inline int fsnotify_add_inode_mark_locked(struct fsnotify_mark *mark,  in fsnotify_add_inode_mark_locked()  argument
542 	return fsnotify_add_mark_locked(mark, &inode->i_fsnotify_marks,  in fsnotify_add_inode_mark_locked()
547 /* given a group and a mark, flag mark to be freed when all references are dropped */
548 extern void fsnotify_destroy_mark(struct fsnotify_mark *mark,
550 /* detach mark from inode / mount list, group list, drop inode reference */
551 extern void fsnotify_detach_mark(struct fsnotify_mark *mark);
552 /* free mark */
553 extern void fsnotify_free_mark(struct fsnotify_mark *mark);
573 extern void fsnotify_get_mark(struct fsnotify_mark *mark);
574 extern void fsnotify_put_mark(struct fsnotify_mark *mark);