Thread (14 messages) 14 messages, 3 authors, 2020-08-14
STALE2148d
Revisions (7)
  1. rfc [diff vs current]
  2. v2 [diff vs current]
  3. v3 [diff vs current]
  4. v4 current
  5. v5 [diff vs current]
  6. v6 [diff vs current]
  7. v7 [diff vs current]

[PATCH v4 2/7] nvme: consolidate some nvme-cli utility functions

From: Sagi Grimberg <sagi@grimberg.me>
Date: 2020-08-14 06:18:41
Also in: linux-nvme
Subsystem: the rest · Maintainer: Linus Torvalds 

Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
---
 tests/nvme/002 |  2 +-
 tests/nvme/003 |  4 ++--
 tests/nvme/004 |  4 ++--
 tests/nvme/005 |  4 ++--
 tests/nvme/008 |  4 ++--
 tests/nvme/009 |  4 ++--
 tests/nvme/010 |  4 ++--
 tests/nvme/011 |  4 ++--
 tests/nvme/012 |  4 ++--
 tests/nvme/013 |  4 ++--
 tests/nvme/014 |  4 ++--
 tests/nvme/015 |  4 ++--
 tests/nvme/016 |  2 +-
 tests/nvme/017 |  2 +-
 tests/nvme/018 |  4 ++--
 tests/nvme/019 |  4 ++--
 tests/nvme/020 |  4 ++--
 tests/nvme/021 |  4 ++--
 tests/nvme/022 |  4 ++--
 tests/nvme/023 |  4 ++--
 tests/nvme/024 |  4 ++--
 tests/nvme/025 |  4 ++--
 tests/nvme/026 |  4 ++--
 tests/nvme/027 |  4 ++--
 tests/nvme/028 |  4 ++--
 tests/nvme/029 |  4 ++--
 tests/nvme/031 |  4 ++--
 tests/nvme/rc  | 31 +++++++++++++++++++++++++++++--
 28 files changed, 80 insertions(+), 53 deletions(-)

diff --git a/tests/nvme/002 b/tests/nvme/002
index aaa5ec4d729a..999e222705bf 100755
--- a/tests/nvme/002
+++ b/tests/nvme/002
@@ -31,7 +31,7 @@ test() {
 		_add_nvmet_subsys_to_port "${port}" "blktests-subsystem-$i"
 	done
 
-	nvme discover -t loop | _filter_discovery
+	_nvme_discover "loop" | _filter_discovery
 
 	for ((i = iterations - 1; i >= 0; i--)); do
 		_remove_nvmet_subsystem_from_port "${port}" "blktests-subsystem-$i"
diff --git a/tests/nvme/003 b/tests/nvme/003
index fd696d9efe2c..6ea6a23b7942 100755
--- a/tests/nvme/003
+++ b/tests/nvme/003
@@ -29,7 +29,7 @@ test() {
 	_create_nvmet_subsystem "blktests-subsystem-1" "${loop_dev}"
 	_add_nvmet_subsys_to_port "${port}" "blktests-subsystem-1"
 
-	nvme connect -t loop -n nqn.2014-08.org.nvmexpress.discovery
+	_nvme_connect_subsys "loop" "nqn.2014-08.org.nvmexpress.discovery"
 
 	# This is ugly but checking for the absence of error messages is ...
 	sleep 10
@@ -42,7 +42,7 @@ test() {
 		echo "Fail"
 	fi
 
-	nvme disconnect -n nqn.2014-08.org.nvmexpress.discovery
+	_nvme_disconnect_subsys "nqn.2014-08.org.nvmexpress.discovery"
 	_remove_nvmet_subsystem_from_port "${port}" "blktests-subsystem-1"
 	_remove_nvmet_subsystem "blktests-subsystem-1"
 	_remove_nvmet_port "${port}"
diff --git a/tests/nvme/004 b/tests/nvme/004
index b841a8d4cd87..7ea539fda55e 100755
--- a/tests/nvme/004
+++ b/tests/nvme/004
@@ -33,14 +33,14 @@ test() {
 		"91fdba0d-f87b-4c25-b80f-db7be1418b9e"
 	_add_nvmet_subsys_to_port "${port}" "blktests-subsystem-1"
 
-	nvme connect -t loop -n blktests-subsystem-1
+	_nvme_connect_subsys "loop" "blktests-subsystem-1"
 
 	local nvmedev
 	nvmedev="$(_find_nvme_loop_dev)"
 	cat "/sys/block/${nvmedev}n1/uuid"
 	cat "/sys/block/${nvmedev}n1/wwid"
 
-	nvme disconnect -n "blktests-subsystem-1"
+	_nvme_disconnect_subsys "blktests-subsystem-1"
 	_remove_nvmet_subsystem_from_port "${port}" "blktests-subsystem-1"
 	_remove_nvmet_subsystem "blktests-subsystem-1"
 	_remove_nvmet_port "${port}"
diff --git a/tests/nvme/005 b/tests/nvme/005
index df0900b372be..d4ce6d703c1b 100755
--- a/tests/nvme/005
+++ b/tests/nvme/005
@@ -33,7 +33,7 @@ test() {
 		"91fdba0d-f87b-4c25-b80f-db7be1418b9e"
 	_add_nvmet_subsys_to_port "${port}" "blktests-subsystem-1"
 
-	nvme connect -t loop -n blktests-subsystem-1
+	_nvme_connect_subsys "loop" "blktests-subsystem-1"
 
 	local nvmedev
 	nvmedev="$(_find_nvme_loop_dev)"
@@ -42,7 +42,7 @@ test() {
 
 	echo 1 > "/sys/class/nvme/${nvmedev}/reset_controller"
 
-	nvme disconnect -d "${nvmedev}"
+	_nvme_disconnect_ctrl "${nvmedev}"
 	_remove_nvmet_subsystem_from_port "${port}" "blktests-subsystem-1"
 	_remove_nvmet_port "${port}"
 
diff --git a/tests/nvme/008 b/tests/nvme/008
index f19de17fefac..5ab5c49b2039 100755
--- a/tests/nvme/008
+++ b/tests/nvme/008
@@ -34,7 +34,7 @@ test() {
 	port="$(_create_nvmet_port "loop")"
 	_add_nvmet_subsys_to_port "${port}" "${subsys_name}"
 
-	nvme connect -t loop -n "${subsys_name}"
+	_nvme_connect_subsys "loop" "${subsys_name}"
 
 	nvmedev="$(_find_nvme_loop_dev)"
 	cat "/sys/block/${nvmedev}n1/uuid"
@@ -42,7 +42,7 @@ test() {
 
 	udevadm settle
 
-	nvme disconnect -n "${subsys_name}"
+	_nvme_disconnect_subsys "${subsys_name}"
 
 	_remove_nvmet_subsystem_from_port "${port}" "${subsys_name}"
 	_remove_nvmet_subsystem "${subsys_name}"
diff --git a/tests/nvme/009 b/tests/nvme/009
index 4afbe62864f6..f6b999dea541 100755
--- a/tests/nvme/009
+++ b/tests/nvme/009
@@ -30,7 +30,7 @@ test() {
 	port="$(_create_nvmet_port "loop")"
 	_add_nvmet_subsys_to_port "${port}" "${subsys_name}"
 
-	nvme connect -t loop -n "${subsys_name}"
+	_nvme_connect_subsys "loop" "${subsys_name}"
 
 	nvmedev="$(_find_nvme_loop_dev)"
 	cat "/sys/block/${nvmedev}n1/uuid"
@@ -38,7 +38,7 @@ test() {
 
 	udevadm settle
 
-	nvme disconnect -n "${subsys_name}"
+	_nvme_disconnect_subsys "${subsys_name}"
 
 	_remove_nvmet_subsystem_from_port "${port}" "${subsys_name}"
 	_remove_nvmet_subsystem "${subsys_name}"
diff --git a/tests/nvme/010 b/tests/nvme/010
index 53b97484615f..6caa2d0f813d 100755
--- a/tests/nvme/010
+++ b/tests/nvme/010
@@ -34,7 +34,7 @@ test() {
 	port="$(_create_nvmet_port "loop")"
 	_add_nvmet_subsys_to_port "${port}" "${subsys_name}"
 
-	nvme connect -t loop -n "${subsys_name}"
+	_nvme_connect_subsys "loop" "${subsys_name}"
 
 	nvmedev="$(_find_nvme_loop_dev)"
 	cat "/sys/block/${nvmedev}n1/uuid"
@@ -42,7 +42,7 @@ test() {
 
 	_run_fio_verify_io --size=950m --filename="/dev/${nvmedev}n1"
 
-	nvme disconnect -n "${subsys_name}"
+	_nvme_disconnect_subsys "${subsys_name}"
 
 	_remove_nvmet_subsystem_from_port "${port}" "${subsys_name}"
 	_remove_nvmet_subsystem "${subsys_name}"
diff --git a/tests/nvme/011 b/tests/nvme/011
index a54583d5c582..7a5535982a74 100755
--- a/tests/nvme/011
+++ b/tests/nvme/011
@@ -32,7 +32,7 @@ test() {
 	port="$(_create_nvmet_port "loop")"
 	_add_nvmet_subsys_to_port "${port}" "${subsys_name}"
 
-	nvme connect -t loop -n "${subsys_name}"
+	_nvme_connect_subsys "loop" "${subsys_name}"
 
 	nvmedev="$(_find_nvme_loop_dev)"
 	cat "/sys/block/${nvmedev}n1/uuid"
@@ -40,7 +40,7 @@ test() {
 
 	_run_fio_verify_io --size=950m --filename="/dev/${nvmedev}n1"
 
-	nvme disconnect -n "${subsys_name}"
+	_nvme_disconnect_subsys "${subsys_name}"
 
 	_remove_nvmet_subsystem_from_port "${port}" "${subsys_name}"
 	_remove_nvmet_subsystem "${subsys_name}"
diff --git a/tests/nvme/012 b/tests/nvme/012
index 0049c3d8ceb6..5c3477a16af9 100755
--- a/tests/nvme/012
+++ b/tests/nvme/012
@@ -38,7 +38,7 @@ test() {
 	port="$(_create_nvmet_port "loop")"
 	_add_nvmet_subsys_to_port "${port}" "${subsys_name}"
 
-	nvme connect -t loop -n "${subsys_name}"
+	_nvme_connect_subsys "loop" "${subsys_name}"
 
 	nvmedev="$(_find_nvme_loop_dev)"
 	cat "/sys/block/${nvmedev}n1/uuid"
@@ -54,7 +54,7 @@ test() {
 
 	umount "${mount_dir}" > /dev/null 2>&1
 
-	nvme disconnect -n "${subsys_name}"
+	_nvme_disconnect_subsys "${subsys_name}"
 
 	_remove_nvmet_subsystem_from_port "${port}" "${subsys_name}"
 	_remove_nvmet_subsystem "${subsys_name}"
diff --git a/tests/nvme/013 b/tests/nvme/013
index 622706ec4088..49784a0d46b5 100755
--- a/tests/nvme/013
+++ b/tests/nvme/013
@@ -35,7 +35,7 @@ test() {
 	port="$(_create_nvmet_port "loop")"
 	_add_nvmet_subsys_to_port "${port}" "${subsys_name}"
 
-	nvme connect -t loop -n "${subsys_name}"
+	_nvme_connect_subsys "loop" "${subsys_name}"
 
 	nvmedev="$(_find_nvme_loop_dev)"
 	cat "/sys/block/${nvmedev}n1/uuid"
@@ -51,7 +51,7 @@ test() {
 
 	umount "${mount_dir}" > /dev/null 2>&1
 
-	nvme disconnect -n "${subsys_name}"
+	_nvme_disconnect_subsys "${subsys_name}"
 
 	_remove_nvmet_subsystem_from_port "${port}" "${subsys_name}"
 	_remove_nvmet_subsystem "${subsys_name}"
diff --git a/tests/nvme/014 b/tests/nvme/014
index 9517230253ab..a33ff439fb3d 100755
--- a/tests/nvme/014
+++ b/tests/nvme/014
@@ -34,7 +34,7 @@ test() {
 	port="$(_create_nvmet_port "loop")"
 	_add_nvmet_subsys_to_port "${port}" "${subsys_name}"
 
-	nvme connect -t loop -n "${subsys_name}"
+	_nvme_connect_subsys "loop" "${subsys_name}"
 
 	nvmedev="$(_find_nvme_loop_dev)"
 	cat "/sys/block/${nvmedev}n1/uuid"
@@ -44,7 +44,7 @@ test() {
 
 	nvme flush "/dev/${nvmedev}" -n 1
 
-	nvme disconnect -n "${subsys_name}"
+	_nvme_disconnect_subsys "${subsys_name}"
 
 	_remove_nvmet_subsystem_from_port "${port}" "${subsys_name}"
 	_remove_nvmet_subsystem "${subsys_name}"
diff --git a/tests/nvme/015 b/tests/nvme/015
index 40b850974b43..cb9792e13442 100755
--- a/tests/nvme/015
+++ b/tests/nvme/015
@@ -31,7 +31,7 @@ test() {
 	port="$(_create_nvmet_port "loop")"
 	_add_nvmet_subsys_to_port "${port}" "${subsys_name}"
 
-	nvme connect -t loop -n "${subsys_name}"
+	_nvme_connect_subsys "loop" "${subsys_name}"
 
 	nvmedev="$(_find_nvme_loop_dev)"
 	cat "/sys/block/${nvmedev}n1/uuid"
@@ -41,7 +41,7 @@ test() {
 
 	nvme flush "/dev/${nvmedev}n1" -n 1
 
-	nvme disconnect -n "${subsys_name}"
+	_nvme_disconnect_subsys "${subsys_name}"
 
 	_remove_nvmet_subsystem_from_port "${port}" "${subsys_name}"
 	_remove_nvmet_subsystem "${subsys_name}"
diff --git a/tests/nvme/016 b/tests/nvme/016
index e1bad2f81461..1ad744abb9b0 100755
--- a/tests/nvme/016
+++ b/tests/nvme/016
@@ -33,7 +33,7 @@ test() {
 	port="$(_create_nvmet_port "loop")"
 	_add_nvmet_subsys_to_port "$port" "${subsys_nqn}"
 
-	nvme discover -t loop | _filter_discovery
+	_nvme_discover "loop" | _filter_discovery
 	_remove_nvmet_subsystem_from_port "${port}" "${subsys_nqn}"
 	_remove_nvmet_port "${port}"
 
diff --git a/tests/nvme/017 b/tests/nvme/017
index 2e6d649f9b65..2507bcd606b7 100755
--- a/tests/nvme/017
+++ b/tests/nvme/017
@@ -36,7 +36,7 @@ test() {
 	port="$(_create_nvmet_port "loop")"
 	_add_nvmet_subsys_to_port "${port}" "${subsys_name}"
 
-	nvme discover -t loop | _filter_discovery
+	_nvme_discover "loop" | _filter_discovery
 	_remove_nvmet_subsystem_from_port "${port}" "${subsys_name}"
 	_remove_nvmet_port "${port}"
 
diff --git a/tests/nvme/018 b/tests/nvme/018
index e39613709c90..4863274cc525 100755
--- a/tests/nvme/018
+++ b/tests/nvme/018
@@ -32,7 +32,7 @@ test() {
 	port="$(_create_nvmet_port "loop")"
 	_add_nvmet_subsys_to_port "${port}" "${subsys_name}"
 
-	nvme connect -t loop -n "${subsys_name}"
+	_nvme_connect_subsys "loop" "${subsys_name}"
 
 	nvmedev="$(_find_nvme_loop_dev)"
 	cat "/sys/block/${nvmedev}n1/uuid"
@@ -46,7 +46,7 @@ test() {
 	nvme read "/dev/${nvmedev}n1" -s "$sectors" -c 0 -z "$bs" &>"$FULL" \
 		&& echo "ERROR: nvme read for out of range LBA was not rejected"
 
-	nvme disconnect -n "${subsys_name}"
+	_nvme_disconnect_subsys "${subsys_name}"
 
 	_remove_nvmet_subsystem_from_port "${port}" "${subsys_name}"
 	_remove_nvmet_subsystem "${subsys_name}"
diff --git a/tests/nvme/019 b/tests/nvme/019
index 86a2a2945b35..19c5b4755387 100755
--- a/tests/nvme/019
+++ b/tests/nvme/019
@@ -36,7 +36,7 @@ test() {
 	port="$(_create_nvmet_port "loop")"
 	_add_nvmet_subsys_to_port "${port}" "${subsys_name}"
 
-	nvme connect -t loop -n "${subsys_name}"
+	_nvme_connect_subsys "loop" "${subsys_name}"
 
 	nvmedev="$(_find_nvme_loop_dev)"
 	cat "/sys/block/${nvmedev}n1/uuid"
@@ -44,7 +44,7 @@ test() {
 
 	nvme dsm "/dev/${nvmedev}" -n 1 -d -s "${sblk_range}" -b "${nblk_range}"
 
-	nvme disconnect -n "${subsys_name}"
+	_nvme_disconnect_subsys "${subsys_name}"
 
 	_remove_nvmet_subsystem_from_port "${port}" "${subsys_name}"
 	_remove_nvmet_subsystem "${subsys_name}"
diff --git a/tests/nvme/020 b/tests/nvme/020
index ccadec6a5822..0a817004225a 100755
--- a/tests/nvme/020
+++ b/tests/nvme/020
@@ -32,7 +32,7 @@ test() {
 	port="$(_create_nvmet_port "loop")"
 	_add_nvmet_subsys_to_port "${port}" "${subsys_name}"
 
-	nvme connect -t loop -n "${subsys_name}"
+	_nvme_connect_subsys "loop" "${subsys_name}"
 
 	nvmedev="$(_find_nvme_loop_dev)"
 	cat "/sys/block/${nvmedev}n1/uuid"
@@ -40,7 +40,7 @@ test() {
 
 	nvme dsm "/dev/${nvmedev}" -n 1 -d -s "${sblk_range}" -b "${nblk_range}"
 
-	nvme disconnect -n "${subsys_name}"
+	_nvme_disconnect_subsys "${subsys_name}"
 
 	_remove_nvmet_subsystem_from_port "${port}" "${subsys_name}"
 	_remove_nvmet_subsystem "${subsys_name}"
diff --git a/tests/nvme/021 b/tests/nvme/021
index bbcb9d56a350..ac3cbd17cd03 100755
--- a/tests/nvme/021
+++ b/tests/nvme/021
@@ -31,7 +31,7 @@ test() {
 	port="$(_create_nvmet_port "loop")"
 	_add_nvmet_subsys_to_port "${port}" "${subsys_name}"
 
-	nvme connect -t loop -n "${subsys_name}"
+	_nvme_connect_subsys "loop" "${subsys_name}"
 
 	nvmedev="$(_find_nvme_loop_dev)"
 	cat "/sys/block/${nvmedev}n1/uuid"
@@ -41,7 +41,7 @@ test() {
 		echo "ERROR: device not listed"
 	fi
 
-	nvme disconnect -n "${subsys_name}" >> "$FULL" 2>&1
+	_nvme_disconnect_subsys "${subsys_name}" >> "$FULL" 2>&1
 
 	_remove_nvmet_subsystem_from_port "${port}" "${subsys_name}"
 	_remove_nvmet_subsystem "${subsys_name}"
diff --git a/tests/nvme/022 b/tests/nvme/022
index 452e7b3d196c..4c91f98734fc 100755
--- a/tests/nvme/022
+++ b/tests/nvme/022
@@ -31,7 +31,7 @@ test() {
 	port="$(_create_nvmet_port "loop")"
 	_add_nvmet_subsys_to_port "${port}" "${subsys_name}"
 
-	nvme connect -t loop -n "${subsys_name}"
+	_nvme_connect_subsys "loop" "${subsys_name}"
 
 	nvmedev="$(_find_nvme_loop_dev)"
 	cat "/sys/block/${nvmedev}n1/uuid"
@@ -41,7 +41,7 @@ test() {
 		echo "ERROR: reset failed"
 	fi
 
-	nvme disconnect -n "${subsys_name}" >> "$FULL" 2>&1
+	_nvme_disconnect_subsys "${subsys_name}" >> "$FULL" 2>&1
 
 	_remove_nvmet_subsystem_from_port "${port}" "${subsys_name}"
 	_remove_nvmet_subsystem "${subsys_name}"
diff --git a/tests/nvme/023 b/tests/nvme/023
index 2714571d16d9..dcbe821f2709 100755
--- a/tests/nvme/023
+++ b/tests/nvme/023
@@ -34,7 +34,7 @@ test() {
 	port="$(_create_nvmet_port "loop")"
 	_add_nvmet_subsys_to_port "${port}" "${subsys_name}"
 
-	nvme connect -t loop -n "${subsys_name}"
+	_nvme_connect_subsys "loop" "${subsys_name}"
 
 	nvmedev="$(_find_nvme_loop_dev)"
 	cat "/sys/block/${nvmedev}n1/uuid"
@@ -44,7 +44,7 @@ test() {
 		echo "ERROR: smart-log bdev-ns failed"
 	fi
 
-	nvme disconnect -n "${subsys_name}" >> "$FULL" 2>&1
+	_nvme_disconnect_subsys "${subsys_name}" >> "$FULL" 2>&1
 
 	_remove_nvmet_subsystem_from_port "${port}" "${subsys_name}"
 	_remove_nvmet_subsystem "${subsys_name}"
diff --git a/tests/nvme/024 b/tests/nvme/024
index 1f87bd19ec69..0f4bddcb3142 100755
--- a/tests/nvme/024
+++ b/tests/nvme/024
@@ -31,7 +31,7 @@ test() {
 	port="$(_create_nvmet_port "loop")"
 	_add_nvmet_subsys_to_port "${port}" "${subsys_name}"
 
-	nvme connect -t loop -n "${subsys_name}"
+	_nvme_connect_subsys "loop" "${subsys_name}"
 
 	nvmedev="$(_find_nvme_loop_dev)"
 	cat "/sys/block/${nvmedev}n1/uuid"
@@ -40,7 +40,7 @@ test() {
 	if ! nvme smart-log "/dev/${nvmedev}" -n 1 >> "$FULL" 2>&1; then
 		echo "ERROR: smart-log file-ns failed"
 	fi
-	nvme disconnect -n "${subsys_name}" >> "$FULL" 2>&1
+	_nvme_disconnect_subsys "${subsys_name}" >> "$FULL" 2>&1
 
 	_remove_nvmet_subsystem_from_port "${port}" "${subsys_name}"
 	_remove_nvmet_subsystem "${subsys_name}"
diff --git a/tests/nvme/025 b/tests/nvme/025
index 1b9e33351f61..90896d327cff 100755
--- a/tests/nvme/025
+++ b/tests/nvme/025
@@ -31,7 +31,7 @@ test() {
 	port="$(_create_nvmet_port "loop")"
 	_add_nvmet_subsys_to_port "${port}" "${subsys_name}"
 
-	nvme connect -t loop -n "${subsys_name}"
+	_nvme_connect_subsys "loop" "${subsys_name}"
 
 	nvmedev="$(_find_nvme_loop_dev)"
 	cat "/sys/block/${nvmedev}n1/uuid"
@@ -41,7 +41,7 @@ test() {
 		echo "ERROR: effects-log failed"
 	fi
 
-	nvme disconnect -n "${subsys_name}" >> "$FULL" 2>&1
+	_nvme_disconnect_subsys "${subsys_name}" >> "$FULL" 2>&1
 
 	_remove_nvmet_subsystem_from_port "${port}" "${subsys_name}"
 	_remove_nvmet_subsystem "${subsys_name}"
diff --git a/tests/nvme/026 b/tests/nvme/026
index 21a265a630ba..39cfe12a23c7 100755
--- a/tests/nvme/026
+++ b/tests/nvme/026
@@ -31,7 +31,7 @@ test() {
 	port="$(_create_nvmet_port "loop")"
 	_add_nvmet_subsys_to_port "${port}" "${subsys_name}"
 
-	nvme connect -t loop -n "${subsys_name}"
+	_nvme_connect_subsys "loop" "${subsys_name}"
 
 	nvmedev="$(_find_nvme_loop_dev)"
 	cat "/sys/block/${nvmedev}n1/uuid"
@@ -41,7 +41,7 @@ test() {
 		echo "ERROR: ns-desc failed"
 	fi
 
-	nvme disconnect -n "${subsys_name}" >> "$FULL" 2>&1
+	_nvme_disconnect_subsys "${subsys_name}" >> "$FULL" 2>&1
 
 	_remove_nvmet_subsystem_from_port "${port}" "${subsys_name}"
 	_remove_nvmet_subsystem "${subsys_name}"
diff --git a/tests/nvme/027 b/tests/nvme/027
index d7d33796e122..5915c336a0cd 100755
--- a/tests/nvme/027
+++ b/tests/nvme/027
@@ -31,7 +31,7 @@ test() {
 	port="$(_create_nvmet_port "loop")"
 	_add_nvmet_subsys_to_port "${port}" "${subsys_name}"
 
-	nvme connect -t loop -n "${subsys_name}"
+	_nvme_connect_subsys "loop" "${subsys_name}"
 
 	nvmedev="$(_find_nvme_loop_dev)"
 	cat "/sys/block/${nvmedev}n1/uuid"
@@ -40,7 +40,7 @@ test() {
 	if ! nvme ns-rescan "/dev/${nvmedev}" >> "$FULL" 2>&1; then
 		echo "ERROR: ns-rescan failed"
 	fi
-	nvme disconnect -n "${subsys_name}" >> "$FULL" 2>&1
+	_nvme_disconnect_subsys "${subsys_name}" >> "$FULL" 2>&1
 
 	_remove_nvmet_subsystem_from_port "${port}" "${subsys_name}"
 	_remove_nvmet_subsystem "${subsys_name}"
diff --git a/tests/nvme/028 b/tests/nvme/028
index 1643857437e8..cf44102b3957 100755
--- a/tests/nvme/028
+++ b/tests/nvme/028
@@ -31,7 +31,7 @@ test() {
 	port="$(_create_nvmet_port "loop")"
 	_add_nvmet_subsys_to_port "${port}" "${subsys_name}"
 
-	nvme connect -t loop -n "${subsys_name}"
+	_nvme_connect_subsys "loop" "${subsys_name}"
 
 	nvmedev="$(_find_nvme_loop_dev)"
 	cat "/sys/block/${nvmedev}n1/uuid"
@@ -40,7 +40,7 @@ test() {
 	if ! nvme list-subsys 2>> "$FULL" | grep -q loop; then
 		echo "ERROR: list-subsys"
 	fi
-	nvme disconnect -n "${subsys_name}" >> "$FULL" 2>&1
+	_nvme_disconnect_subsys "${subsys_name}" >> "$FULL" 2>&1
 
 	_remove_nvmet_subsystem_from_port "${port}" "${subsys_name}"
 	_remove_nvmet_subsystem "${subsys_name}"
diff --git a/tests/nvme/029 b/tests/nvme/029
index 9f437285d085..192b5c52168c 100755
--- a/tests/nvme/029
+++ b/tests/nvme/029
@@ -67,7 +67,7 @@ test() {
 	port="$(_create_nvmet_port "loop")"
 	_add_nvmet_subsys_to_port "${port}" "${subsys_name}"
 
-	nvme connect -t loop -n "${subsys_name}"
+	_nvme_connect_subsys "loop" "${subsys_name}"
 
 	nvmedev="$(_find_nvme_loop_dev)"
 	cat "/sys/block/${nvmedev}n1/uuid"
@@ -81,7 +81,7 @@ test() {
 	test_user_io "$dev" 511 1023 > "$FULL" 2>&1 || echo FAIL
 	test_user_io "$dev" 511 1025 > "$FULL" 2>&1 || echo FAIL
 
-	nvme disconnect -n "${subsys_name}" >> "$FULL" 2>&1
+	_nvme_disconnect_subsys "${subsys_name}" >> "$FULL" 2>&1
 
 	_remove_nvmet_subsystem_from_port "${port}" "${subsys_name}"
 	_remove_nvmet_subsystem "${subsys_name}"
diff --git a/tests/nvme/031 b/tests/nvme/031
index 7e7ee7327e62..ab17633bc8fc 100755
--- a/tests/nvme/031
+++ b/tests/nvme/031
@@ -41,8 +41,8 @@ test() {
 	for ((i = 0; i < iterations; i++)); do
 		_create_nvmet_subsystem "${subsys}$i" "${loop_dev}"
 		_add_nvmet_subsys_to_port "${port}" "${subsys}$i"
-		nvme connect -t loop -n "${subsys}$i"
-		nvme disconnect -n "${subsys}$i" >> "${FULL}" 2>&1
+		_nvme_connect_subsys "loop" "${subsys}$i"
+		_nvme_disconnect_subsys "${subsys}$i" >> "${FULL}" 2>&1
 		_remove_nvmet_subsystem_from_port "${port}" "${subsys}$i"
 		_remove_nvmet_subsystem "${subsys}$i"
 	done
diff --git a/tests/nvme/rc b/tests/nvme/rc
index 320aa4b2b475..6d57cf591300 100644
--- a/tests/nvme/rc
+++ b/tests/nvme/rc
@@ -64,7 +64,7 @@ _cleanup_nvmet() {
 		transport="$(cat "/sys/class/nvme/${dev}/transport")"
 		if [[ "$transport" == "loop" ]]; then
 			echo "WARNING: Test did not clean up loop device: ${dev}"
-			nvme disconnect -d "${dev}"
+			_nvme_disconnect_ctrl "${dev}"
 		fi
 	done
 
@@ -97,6 +97,33 @@ _setup_nvmet() {
 	modprobe nvme-loop
 }
 
+_nvme_disconnect_ctrl() {
+	local ctrl="$1"
+
+	nvme disconnect -d ${ctrl}
+}
+
+_nvme_disconnect_subsys() {
+	local subsysnqn="$1"
+
+	nvme disconnect -n ${subsysnqn}
+}
+
+_nvme_connect_subsys() {
+	local trtype="$1"
+	local subsysnqn="$2"
+
+	cmd="nvme connect -t ${trtype} -n ${subsysnqn}"
+	eval $cmd
+}
+
+_nvme_discover() {
+	local trtype="$1"
+
+	cmd="nvme discover -t ${trtype}"
+	eval $cmd
+}
+
 _create_nvmet_port() {
 	local trtype="$1"
 
@@ -206,6 +233,6 @@ _filter_discovery() {
 }
 
 _discovery_genctr() {
-	nvme discover -t loop |
+	_nvme_discover "loop" |
 		sed -n -e 's/^.*Generation counter \([0-9]\+\).*$/\1/p'
 }
-- 
2.25.1
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