FANOTIFY_MARK
kmem_cache_free(fanotify_mark_cache, FANOTIFY_MARK(fsn_mark));
fsid = FANOTIFY_MARK(mark)->fsid;
FANOTIFY_MARK(mark)->fsid = fsid->id;
if (!fanotify_fsid_equal(&FANOTIFY_MARK(old)->fsid,
&FANOTIFY_MARK(mark)->fsid))