函数逻辑报告

函数名称：Get mark reference when we found the mark via lockless traversal of object* list. Mark can be already removed from the list by now and on its way to be* destroyed once SRCU period ends.* Also pin the group so it doesn't disappear under us.

函数原型：static bool fsnotify_get_mark_safe(struct fsnotify_mark *mark)

返回类型：bool

参数：