write_stream
.write = write_stream,
u16 write_stream = req->bio->bi_write_stream;
if (WARN_ON_ONCE(write_stream > ns->head->nr_plids))
if (write_stream) {
dsmgmt |= ns->head->plids[write_stream - 1] << 16;
__u8 write_stream;
BUILD_BUG_SQE_ELEM(44, __u8, write_stream);
rw->kiocb.ki_write_stream = READ_ONCE(sqe->write_stream);