seqprop_ptr
do_raw_write_seqcount_begin(seqprop_ptr(s)); \
do_raw_write_seqcount_end(seqprop_ptr(s)); \
do_write_seqcount_begin_nested(seqprop_ptr(s), subclass); \
do_write_seqcount_begin(seqprop_ptr(s)); \
do_write_seqcount_end(seqprop_ptr(s)); \
do_raw_write_seqcount_barrier(seqprop_ptr(s))
do_write_seqcount_invalidate(seqprop_ptr(s))