From 12c25609972a64f6525381d5a2db1122a5c993ef Mon Sep 17 00:00:00 2001
From: Frantisek Sumsal <frantisek@sumsal.cz>
Date: Fri, 3 Nov 2023 15:31:52 +0100
Subject: test: wait for the nvme device to appear

Also, use a /dev/disk/by-id/ symlink to the device, which should be
predictable, unlike the /dev/nvmeX stuff.
---
 test/units/testsuite-84.sh | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/test/units/testsuite-84.sh b/test/units/testsuite-84.sh
index 954dce2d04..f82b527a72 100755
--- a/test/units/testsuite-84.sh
+++ b/test/units/testsuite-84.sh
@@ -11,15 +11,16 @@ systemctl start sys-kernel-config.mount
 dd if=/dev/urandom of=/var/tmp/storagetm.test bs=1024 count=10240
 
 systemd-run -u teststoragetm.service -p Type=notify /usr/lib/systemd/systemd-storagetm /var/tmp/storagetm.test --nqn=quux
+NVME_SERIAL="$(</sys/kernel/config/nvmet/subsystems/quux.storagetm.test/attr_serial)"
+NVME_DEVICE="/dev/disk/by-id/nvme-Linux_${NVME_SERIAL:?}"
 
 nvme connect-all -t tcp -a 127.0.0.1 -s 16858 --hostid="$(cat /proc/sys/kernel/random/uuid)"
+udevadm wait --settle "$NVME_DEVICE"
 
-dd if=/dev/nvme1n1 bs=1024 | cmp /var/tmp/storagetm.test -
-
-nvme disconnect --device=nvme1
+dd if="$NVME_DEVICE" bs=1024 | cmp /var/tmp/storagetm.test -
 
+nvme disconnect-all
 systemctl stop teststoragetm.service
-
 rm /var/tmp/storagetm.test
 
 touch /testok
-- 
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