seqcount_mutex_init
seqcount_mutex_init(>->stats.lock, >->wakeref.mutex);
seqcount_mutex_init(>->tlb.seqno, >->tlb.invalidate_lock);
seqcount_mutex_init(&lp->hw_stats_seqcount, &lp->stats_lock);
seqcount_mutex_init(&net->mpls.platform_label_seq, &net->mpls.platform_mutex);