nxt_sq_head      2020 fs/io_uring.c  		unsigned nxt_sq_head;
nxt_sq_head      2031 fs/io_uring.c  		nxt_sq_head = nxt->sequence - nxt->submit.sequence + 1;
nxt_sq_head      2032 fs/io_uring.c  		tmp_nxt = (long long)nxt_sq_head + nxt->submit.sequence - 1;
nxt_sq_head      2038 fs/io_uring.c  		if (ctx->cached_sq_head < nxt_sq_head)