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fio/nvme: Enable delay_doorbell queue pair option

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Since fio is continually polling for completions, this
option can be safely enabled.

Change-Id: I02ee3d2507d3b37f79e14d69fe90ee19c4b4eea2
Signed-off-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/447711
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
This commit is contained in:
Ben Walker 2019-03-11 13:58:59 -07:00 committed by Changpeng Liu
parent cf0eac8c66
commit 727d820e59
1 changed files with 5 additions and 1 deletions
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6
examples/nvme/fio_plugin/fio_plugin.c
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@ -234,6 +234,7 @@ attach_cb(void *cb_ctx, const struct spdk_nvme_transport_id *trid,
{
struct thread_data *td = cb_ctx;
struct spdk_fio_thread *fio_thread = td->io_ops_data;
struct spdk_nvme_io_qpair_opts qpopts;
struct spdk_fio_ctrlr *fio_ctrlr;
struct spdk_fio_qpair *fio_qpair;
struct spdk_nvme_ns *ns;
@ -301,7 +302,10 @@ attach_cb(void *cb_ctx, const struct spdk_nvme_transport_id *trid,
return;
}
fio_qpair->qpair = spdk_nvme_ctrlr_alloc_io_qpair(fio_ctrlr->ctrlr, NULL, 0);
spdk_nvme_ctrlr_get_default_io_qpair_opts(fio_ctrlr->ctrlr, &qpopts, sizeof(qpopts));
qpopts.delay_pcie_doorbell = true;
fio_qpair->qpair = spdk_nvme_ctrlr_alloc_io_qpair(fio_ctrlr->ctrlr, &qpopts, sizeof(qpopts));
if (!fio_qpair->qpair) {
SPDK_ERRLOG("Cannot allocate nvme io_qpair any more\n");
g_error = true;