From 4716d5aabb2b95533f70d63930064fe0fe420e0d Mon Sep 17 00:00:00 2001
From: Daniel Verkamp <daniel.verkamp@intel.com>
Date: Thu, 1 Feb 2018 11:36:49 -0700
Subject: [PATCH] autotest: detect if nbd module is available

Some distributions may not ship the nbd module; detect whether it can be
loaded rather than just failing if it is missing.

Change-Id: Ib35ba26b211de4e8b85b689ab55fed47bd02a750
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
Reviewed-on: https://review.gerrithub.io/398097
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
---
 scripts/autotest_common.sh | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/scripts/autotest_common.sh b/scripts/autotest_common.sh
index 8b390f83a..6900b0e31 100755
--- a/scripts/autotest_common.sh
+++ b/scripts/autotest_common.sh
@@ -366,7 +366,7 @@ function print_backtrace() {
 }
 
 function part_dev_by_gpt () {
-	if [ $(uname -s) = Linux ] && hash sgdisk; then
+	if [ $(uname -s) = Linux ] && hash sgdisk && modprobe nbd; then
 		conf=$1
 		devname=$2
 		rootdir=$3
@@ -386,7 +386,6 @@ function part_dev_by_gpt () {
 		echo "[Gpt]" >> ${conf}.gpt
 		echo "  Disable Yes" >> ${conf}.gpt
 
-		modprobe nbd
 		$rootdir/test/app/bdev_svc/bdev_svc -r $rpc_server -i 0 -c ${conf}.gpt &
 		nbd_pid=$!
 		echo "Process nbd pid: $nbd_pid"