rdma: set the number of wr sge_entries per I/O

This was not being properly set in the multi-sgl path.
Also add a verification step to the fio configuration file to prevent
against future regressions.

Change-Id: I510b6acd92bc2fbc9b6fbec1d59945cc53584ad3
Signed-off-by: Seth Howell <seth.howell@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/450305
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>

examples/nvme/fio_plugin/mock_sgl_config.fio

@@ -3,14 +3,14 @@ ioengine=spdk
 thread=1
 group_reporting=1
 direct=1
-verify=0
 enable_sgl=1
 time_based=1
 ramp_time=0
 runtime=2
-iodepth=4
+iodepth=128
 rw=randrw
 bs=16k
+verify=md5
 
 [test]
 numjobs=1

lib/nvmf/rdma.c

@@ -1497,6 +1497,7 @@ nvmf_rdma_fill_buffers(struct spdk_nvmf_rdma_transport *rtransport,
 		}
 		i++;
 	}
+	wr->num_sge = i;
 
 	return 0;
 }

test/nvmf/host/fio.sh

@@ -96,6 +96,7 @@ fi
 
 trap - SIGINT SIGTERM EXIT
 
+rm -f ./local-test-0-verify.state
 killprocess $nvmfpid
 nvmftestfini $1
 timing_exit fio