latched_seq_read_nolock
seq = find_first_fitting_seq(latched_seq_read_nolock(&clear_seq), -1,
u64 min_seq = latched_seq_read_nolock(&clear_seq);
u64 min_seq = latched_seq_read_nolock(&clear_seq);
iter->cur_seq = latched_seq_read_nolock(&clear_seq);
atomic64_set(&user->seq, latched_seq_read_nolock(&clear_seq));