linux-master/fs/aio.c

942 	struct kioctx_cpu *kcpu;
946 	kcpu = this_cpu_ptr(ctx->cpu);
947 	kcpu->reqs_available += nr;
949 	while (kcpu->reqs_available >= ctx->req_batch * 2) {
950 		kcpu->reqs_available -= ctx->req_batch;
959 	struct kioctx_cpu *kcpu;
964 	kcpu = this_cpu_ptr(ctx->cpu);
965 	if (!kcpu->reqs_available) {
974 		kcpu->reqs_available += ctx->req_batch;
978 	kcpu->reqs_available--;