500 static __u32 fanotify_mark_remove_from_mask(struct fsnotify_mark *fsn_mark,  in fanotify_mark_remove_from_mask()  argument
507 	spin_lock(&fsn_mark->lock);  in fanotify_mark_remove_from_mask()
509 		__u32 tmask = fsn_mark->mask & ~mask;  in fanotify_mark_remove_from_mask()
514 		oldmask = fsn_mark->mask;  in fanotify_mark_remove_from_mask()
515 		fsn_mark->mask = tmask;  in fanotify_mark_remove_from_mask()
517 		__u32 tmask = fsn_mark->ignored_mask & ~mask;  in fanotify_mark_remove_from_mask()
520 		fsn_mark->ignored_mask = tmask;  in fanotify_mark_remove_from_mask()
522 	*destroy = !(fsn_mark->mask | fsn_mark->ignored_mask);  in fanotify_mark_remove_from_mask()
523 	spin_unlock(&fsn_mark->lock);  in fanotify_mark_remove_from_mask()
532 	struct fsnotify_mark *fsn_mark = NULL;  in fanotify_remove_mark()  local
537 	fsn_mark = fsnotify_find_mark(connp, group);  in fanotify_remove_mark()
538 	if (!fsn_mark) {  in fanotify_remove_mark()
543 	removed = fanotify_mark_remove_from_mask(fsn_mark, mask, flags,  in fanotify_remove_mark()
545 	if (removed & fsnotify_conn_mask(fsn_mark->connector))  in fanotify_remove_mark()
546 		fsnotify_recalc_mask(fsn_mark->connector);  in fanotify_remove_mark()
548 		fsnotify_detach_mark(fsn_mark);  in fanotify_remove_mark()
551 		fsnotify_free_mark(fsn_mark);  in fanotify_remove_mark()
554 	fsnotify_put_mark(fsn_mark);  in fanotify_remove_mark()
574 static __u32 fanotify_mark_add_to_mask(struct fsnotify_mark *fsn_mark,  in fanotify_mark_add_to_mask()  argument
580 	spin_lock(&fsn_mark->lock);  in fanotify_mark_add_to_mask()
582 		__u32 tmask = fsn_mark->mask | mask;  in fanotify_mark_add_to_mask()
587 		oldmask = fsn_mark->mask;  in fanotify_mark_add_to_mask()
588 		fsn_mark->mask = tmask;  in fanotify_mark_add_to_mask()
590 		__u32 tmask = fsn_mark->ignored_mask | mask;  in fanotify_mark_add_to_mask()
594 		fsn_mark->ignored_mask = tmask;  in fanotify_mark_add_to_mask()
596 			fsn_mark->flags |= FSNOTIFY_MARK_FLAG_IGNORED_SURV_MODIFY;  in fanotify_mark_add_to_mask()
598 	spin_unlock(&fsn_mark->lock);  in fanotify_mark_add_to_mask()
632 	struct fsnotify_mark *fsn_mark;  in fanotify_add_mark()  local
636 	fsn_mark = fsnotify_find_mark(connp, group);  in fanotify_add_mark()
637 	if (!fsn_mark) {  in fanotify_add_mark()
638 		fsn_mark = fanotify_add_new_mark(group, connp, type);  in fanotify_add_mark()
639 		if (IS_ERR(fsn_mark)) {  in fanotify_add_mark()
641 			return PTR_ERR(fsn_mark);  in fanotify_add_mark()
644 	added = fanotify_mark_add_to_mask(fsn_mark, mask, flags);  in fanotify_add_mark()
645 	if (added & ~fsnotify_conn_mask(fsn_mark->connector))  in fanotify_add_mark()
646 		fsnotify_recalc_mask(fsn_mark->connector);  in fanotify_add_mark()
649 	fsnotify_put_mark(fsn_mark);  in fanotify_add_mark()