Commit 5edb8edc authored by Or Gerlitz's avatar Or Gerlitz Committed by Tomasz Zawadzki
Browse files

nvmf/rdma: use LIFO practice for incoming queue 



To maximize cache locality, use lifo and not fifo when managing objects
which are used per IO such as the RDMA receive elements queue.

Change-Id: Id8917558acc1bec29943fcbae6afe6b072bde6ac
Reported-by: default avatarJim Harris <james.r.harris@intel.com>
Signed-off-by: default avatarOr Gerlitz <ogerlitz@nvidia.com>
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/12272


Community-CI: Broadcom CI <spdk-ci.pdl@broadcom.com>
Community-CI: Mellanox Build Bot
Tested-by: default avatarSPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: default avatarAleksey Marchuk <alexeymar@mellanox.com>
Reviewed-by: default avatarJim Harris <james.r.harris@intel.com>
parent 87cfed84

lib/nvmf/rdma.c

+1 −1
Original line number Diff line number Diff line
@@ -4105,7 +4105,7 @@ nvmf_rdma_poller_poll(struct spdk_nvmf_rdma_transport *rtransport, 
			rqpair->current_recv_depth++;

			rdma_recv->receive_tsc = poll_tsc;

			rpoller->stat.requests++;

			STAILQ_INSERT_TAIL(&rqpair->resources->incoming_queue, rdma_recv, link);

			STAILQ_INSERT_HEAD(&rqpair->resources->incoming_queue, rdma_recv, link);

			break;

		case RDMA_WR_TYPE_DATA:

			rdma_req = SPDK_CONTAINEROF(rdma_wr, struct spdk_nvmf_rdma_request, data.rdma_wr);