write_seqcount_latch_end
write_seqcount_latch_end(&c2n->seq);
write_seqcount_latch_end(&root->seq);
write_seqcount_latch_end(&root->seq);
write_seqcount_latch_end(&ls->latch);
write_seqcount_latch_end(&cd.seq);
write_seqcount_latch_end(&tkf->seq);