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nvmf/rdma: use LIFO practice for incoming queue

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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: Jim Harris <james.r.harris@intel.com>
Signed-off-by: Or 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: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Aleksey Marchuk <alexeymar@mellanox.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
This commit is contained in:
Or Gerlitz 2022-03-09 17:43:37 +02:00 committed by Tomasz Zawadzki
parent 87cfed8442
commit 5edb8edca7
1 changed files with 1 additions and 1 deletions
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2
lib/nvmf/rdma.c
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@ -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);