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From:   Daniel Wagner <dwagner@suse.de>
To:     linux-nvme@lists.infradead.org
Cc:     linux-kernel@vger.kernel.org, linux-block@vger.kernel.org,
        Chaitanya Kulkarni <kch@nvidia.com>,
        Shin'ichiro Kawasaki <shinichiro@fastmail.com>,
        Hannes Reinecke <hare@suse.de>, Daniel Wagner <dwagner@suse.de>
Subject: [PATCH blktests v3 07/12] nvme: Make test image size configurable
Date:   Wed,  3 May 2023 10:02:53 +0200
Message-Id: <20230503080258.14525-8-dwagner@suse.de>
In-Reply-To: <20230503080258.14525-1-dwagner@suse.de>
References: <20230503080258.14525-1-dwagner@suse.de>
MIME-Version: 1.0
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Precedence: bulk

The reduce the overall runtime of the testsuite by making the default
size of the test image small. For verification jobs, the default can be
overwriten via the newly introduced nvme_img_size environment variable.

Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Daniel Wagner <dwagner@suse.de>
---
 Documentation/running-tests.md | 3 +++
 tests/nvme/004                 | 2 +-
 tests/nvme/005                 | 2 +-
 tests/nvme/006                 | 2 +-
 tests/nvme/007                 | 2 +-
 tests/nvme/008                 | 2 +-
 tests/nvme/009                 | 2 +-
 tests/nvme/010                 | 5 +++--
 tests/nvme/011                 | 5 +++--
 tests/nvme/012                 | 2 +-
 tests/nvme/013                 | 2 +-
 tests/nvme/014                 | 2 +-
 tests/nvme/015                 | 2 +-
 tests/nvme/017                 | 2 +-
 tests/nvme/018                 | 2 +-
 tests/nvme/019                 | 2 +-
 tests/nvme/020                 | 2 +-
 tests/nvme/021                 | 2 +-
 tests/nvme/022                 | 2 +-
 tests/nvme/023                 | 2 +-
 tests/nvme/024                 | 2 +-
 tests/nvme/025                 | 2 +-
 tests/nvme/026                 | 2 +-
 tests/nvme/027                 | 2 +-
 tests/nvme/028                 | 2 +-
 tests/nvme/029                 | 3 ++-
 tests/nvme/031                 | 2 +-
 tests/nvme/032                 | 1 -
 tests/nvme/034                 | 2 +-
 tests/nvme/035                 | 4 ++--
 tests/nvme/040                 | 2 +-
 tests/nvme/041                 | 2 +-
 tests/nvme/042                 | 2 +-
 tests/nvme/043                 | 2 +-
 tests/nvme/044                 | 2 +-
 tests/nvme/045                 | 2 +-
 tests/nvme/047                 | 2 +-
 tests/nvme/048                 | 2 +-
 tests/nvme/rc                  | 1 +
 39 files changed, 46 insertions(+), 40 deletions(-)

diff --git a/Documentation/running-tests.md b/Documentation/running-tests.md
index 7e827fba7ac0..6b34a253fd97 100644
--- a/Documentation/running-tests.md
+++ b/Documentation/running-tests.md
@@ -104,6 +104,9 @@ The NVMe tests can be additionally parameterized via environment variables.
 
 - nvme_tr_type: 'loop' (default), 'tcp', 'rdma' and 'fc'
   Run the tests with the given transport.
+- nvme_img_size: '1G' (default)
+  Run the tests with given image size in bytes. 'm' and 'g' postfix
+	are supported.
 
 ### Running nvme-rdma nvmeof-mp srp tests
 
diff --git a/tests/nvme/004 b/tests/nvme/004
index 9dda538b1ac0..cab98ff44326 100755
--- a/tests/nvme/004
+++ b/tests/nvme/004
@@ -25,7 +25,7 @@ test() {
 	local port
 	port="$(_create_nvmet_port "${nvme_trtype}")"
 
-	truncate -s 1G "$TMPDIR/img"
+	truncate -s "${nvme_img_size}" "$TMPDIR/img"
 
 	local loop_dev
 	loop_dev="$(losetup -f --show "$TMPDIR/img")"
diff --git a/tests/nvme/005 b/tests/nvme/005
index de567a74a891..8e15a13f3794 100755
--- a/tests/nvme/005
+++ b/tests/nvme/005
@@ -24,7 +24,7 @@ test() {
 	local port
 	port="$(_create_nvmet_port "${nvme_trtype}")"
 
-	truncate -s 1G "$TMPDIR/img"
+	truncate -s "${nvme_img_size}" "$TMPDIR/img"
 
 	local loop_dev
 	loop_dev="$(losetup -f --show "$TMPDIR/img")"
diff --git a/tests/nvme/006 b/tests/nvme/006
index d993861c06ba..ea0db93791a7 100755
--- a/tests/nvme/006
+++ b/tests/nvme/006
@@ -24,7 +24,7 @@ test() {
 
 	_setup_nvmet
 
-	truncate -s 1G "$TMPDIR/img"
+	truncate -s "${nvme_img_size}" "$TMPDIR/img"
 
 	loop_dev="$(losetup -f --show "$TMPDIR/img")"
 
diff --git a/tests/nvme/007 b/tests/nvme/007
index d53100f3ff7b..243a79f5a254 100755
--- a/tests/nvme/007
+++ b/tests/nvme/007
@@ -25,7 +25,7 @@ test() {
 
 	file_path="${TMPDIR}/img"
 
-	truncate -s 1G "${file_path}"
+	truncate -s "${nvme_img_size}" "${file_path}"
 
 	_create_nvmet_subsystem "${subsys_name}" "${file_path}" \
 		"91fdba0d-f87b-4c25-b80f-db7be1418b9e"
diff --git a/tests/nvme/008 b/tests/nvme/008
index 5568fe46e463..5abc4240ca46 100755
--- a/tests/nvme/008
+++ b/tests/nvme/008
@@ -26,7 +26,7 @@ test() {
 	local file_path="$TMPDIR/img"
 	local subsys_name="blktests-subsystem-1"
 
-	truncate -s 1G "${file_path}"
+	truncate -s "${nvme_img_size}" "${file_path}"
 
 	loop_dev="$(losetup -f --show "${file_path}")"
 
diff --git a/tests/nvme/009 b/tests/nvme/009
index 2814c79164ee..491d3c809ab0 100755
--- a/tests/nvme/009
+++ b/tests/nvme/009
@@ -24,7 +24,7 @@ test() {
 	local file_path="$TMPDIR/img"
 	local subsys_name="blktests-subsystem-1"
 
-	truncate -s 1G "${file_path}"
+	truncate -s "${nvme_img_size}" "${file_path}"
 
 	_create_nvmet_subsystem "${subsys_name}" "${file_path}" \
 		"91fdba0d-f87b-4c25-b80f-db7be1418b9e"
diff --git a/tests/nvme/010 b/tests/nvme/010
index b7b1d5188e9b..805f80d40620 100755
--- a/tests/nvme/010
+++ b/tests/nvme/010
@@ -26,7 +26,7 @@ test() {
 	local file_path="${TMPDIR}/img"
 	local subsys_name="blktests-subsystem-1"
 
-	truncate -s 1G "${file_path}"
+	truncate -s "${nvme_img_size}" "${file_path}"
 
 	loop_dev="$(losetup -f --show "${file_path}")"
 
@@ -41,7 +41,8 @@ test() {
 	cat "/sys/block/${nvmedev}n1/uuid"
 	cat "/sys/block/${nvmedev}n1/wwid"
 
-	_run_fio_verify_io --size=950m --filename="/dev/${nvmedev}n1"
+	_run_fio_verify_io --size=${nvme_img_size} \
+		--filename="/dev/${nvmedev}n1"
 
 	_nvme_disconnect_subsys "${subsys_name}"
 
diff --git a/tests/nvme/011 b/tests/nvme/011
index 4bfe9af084e4..da8cbac11124 100755
--- a/tests/nvme/011
+++ b/tests/nvme/011
@@ -26,7 +26,7 @@ test() {
 	local file_path="${TMPDIR}/img"
 	local subsys_name="blktests-subsystem-1"
 
-	truncate -s 1G "${file_path}"
+	truncate -s "${nvme_img_size}" "${file_path}"
 
 	_create_nvmet_subsystem "${subsys_name}" "${file_path}" \
 		"91fdba0d-f87b-4c25-b80f-db7be1418b9e"
@@ -39,7 +39,8 @@ test() {
 	cat "/sys/block/${nvmedev}n1/uuid"
 	cat "/sys/block/${nvmedev}n1/wwid"
 
-	_run_fio_verify_io --size=950m --filename="/dev/${nvmedev}n1"
+	_run_fio_verify_io --size="${nvme_img_size}" \
+		--filename="/dev/${nvmedev}n1"
 
 	_nvme_disconnect_subsys "${subsys_name}"
 
diff --git a/tests/nvme/012 b/tests/nvme/012
index c9d24388306d..ecf44fcb5a51 100755
--- a/tests/nvme/012
+++ b/tests/nvme/012
@@ -29,7 +29,7 @@ test() {
 	local file_path="${TMPDIR}/img"
 	local subsys_name="blktests-subsystem-1"
 
-	truncate -s 1G "${file_path}"
+	truncate -s "${nvme_img_size}" "${file_path}"
 
 	loop_dev="$(losetup -f --show "${file_path}")"
 
diff --git a/tests/nvme/013 b/tests/nvme/013
index 265b6968fd34..e249add46295 100755
--- a/tests/nvme/013
+++ b/tests/nvme/013
@@ -28,7 +28,7 @@ test() {
 
 	local subsys_name="blktests-subsystem-1"
 
-	truncate -s 1G "${file_path}"
+	truncate -s "${nvme_img_size}" "${file_path}"
 
 	_create_nvmet_subsystem "${subsys_name}" "${file_path}" \
 		"91fdba0d-f87b-4c25-b80f-db7be1418b9e"
diff --git a/tests/nvme/014 b/tests/nvme/014
index 875e99eea346..55d920f2660b 100755
--- a/tests/nvme/014
+++ b/tests/nvme/014
@@ -29,7 +29,7 @@ test() {
 	local file_path="$TMPDIR/img"
 	local subsys_name="blktests-subsystem-1"
 
-	truncate -s 1G "${file_path}"
+	truncate -s "${nvme_img_size}" "${file_path}"
 
 	loop_dev="$(losetup -f --show "${file_path}")"
 
diff --git a/tests/nvme/015 b/tests/nvme/015
index 8cb343e1d31c..071141380e43 100755
--- a/tests/nvme/015
+++ b/tests/nvme/015
@@ -28,7 +28,7 @@ test() {
 	local file_path="$TMPDIR/img"
 	local subsys_name="blktests-subsystem-1"
 
-	truncate -s 1G "${file_path}"
+	truncate -s "${nvme_img_size}" "${file_path}"
 
 	_create_nvmet_subsystem "${subsys_name}" "${file_path}" \
 		 "91fdba0d-f87b-4c25-b80f-db7be1418b9e"
diff --git a/tests/nvme/017 b/tests/nvme/017
index f2a95cf276cb..0248aee9bc41 100755
--- a/tests/nvme/017
+++ b/tests/nvme/017
@@ -25,7 +25,7 @@ test() {
 
 	file_path="${TMPDIR}/img"
 
-	truncate -s 1G "${file_path}"
+	truncate -s "${nvme_img_size}" "${file_path}"
 
 	_create_nvmet_subsystem "${subsys_name}" "${file_path}" \
 		"91fdba0d-f87b-4c25-b80f-db7be1418b9e"
diff --git a/tests/nvme/018 b/tests/nvme/018
index 315e79534348..78e9b2bb94d8 100755
--- a/tests/nvme/018
+++ b/tests/nvme/018
@@ -26,7 +26,7 @@ test() {
 	local file_path="$TMPDIR/img"
 	local subsys_name="blktests-subsystem-1"
 
-	truncate -s 1G "${file_path}"
+	truncate -s "${nvme_img_size}" "${file_path}"
 
 	_create_nvmet_subsystem "${subsys_name}" "${file_path}" \
 		 "91fdba0d-f87b-4c25-b80f-db7be1418b9e"
diff --git a/tests/nvme/019 b/tests/nvme/019
index 4cb3509a12b2..9fff8ccaac9c 100755
--- a/tests/nvme/019
+++ b/tests/nvme/019
@@ -28,7 +28,7 @@ test() {
 	local nblk_range="10,10,10,10,10,10,10,10,10,10"
 	local sblk_range="100,200,300,400,500,600,700,800,900,1000"
 
-	truncate -s 1G "${file_path}"
+	truncate -s "${nvme_img_size}" "${file_path}"
 
 	loop_dev="$(losetup -f --show "${file_path}")"
 
diff --git a/tests/nvme/020 b/tests/nvme/020
index 16fdfcc94918..1966d5925213 100755
--- a/tests/nvme/020
+++ b/tests/nvme/020
@@ -26,7 +26,7 @@ test() {
 	local nblk_range="10,10,10,10,10,10,10,10,10,10"
 	local sblk_range="100,200,300,400,500,600,700,800,900,1000"
 
-	truncate -s 1G "${file_path}"
+	truncate -s "${nvme_img_size}" "${file_path}"
 
 	_create_nvmet_subsystem "${subsys_name}" "${file_path}" \
 		"91fdba0d-f87b-4c25-b80f-db7be1418b9e"
diff --git a/tests/nvme/021 b/tests/nvme/021
index 6ee0af1fe158..1fefc0fbca00 100755
--- a/tests/nvme/021
+++ b/tests/nvme/021
@@ -25,7 +25,7 @@ test() {
 	local file_path="$TMPDIR/img"
 	local subsys_name="blktests-subsystem-1"
 
-	truncate -s 1G "${file_path}"
+	truncate -s "${nvme_img_size}" "${file_path}"
 
 	_create_nvmet_subsystem "${subsys_name}" "${file_path}" \
 		"91fdba0d-f87b-4c25-b80f-db7be1418b9e"
diff --git a/tests/nvme/022 b/tests/nvme/022
index 1d76ffa44178..1ff915786f86 100755
--- a/tests/nvme/022
+++ b/tests/nvme/022
@@ -25,7 +25,7 @@ test() {
 	local file_path="$TMPDIR/img"
 	local subsys_name="blktests-subsystem-1"
 
-	truncate -s 1G "${file_path}"
+	truncate -s "${nvme_img_size}" "${file_path}"
 
 	_create_nvmet_subsystem "${subsys_name}" "${file_path}" \
 		"91fdba0d-f87b-4c25-b80f-db7be1418b9e"
diff --git a/tests/nvme/023 b/tests/nvme/023
index b65be07edc38..90316230a3d7 100755
--- a/tests/nvme/023
+++ b/tests/nvme/023
@@ -26,7 +26,7 @@ test() {
 	local file_path="$TMPDIR/img"
 	local subsys_name="blktests-subsystem-1"
 
-	truncate -s 1G "${file_path}"
+	truncate -s "${nvme_img_size}" "${file_path}"
 
 	loop_dev="$(losetup -f --show "${file_path}")"
 
diff --git a/tests/nvme/024 b/tests/nvme/024
index f756797d6f29..384a8266e741 100755
--- a/tests/nvme/024
+++ b/tests/nvme/024
@@ -25,7 +25,7 @@ test() {
 	local file_path="$TMPDIR/img"
 	local subsys_name="blktests-subsystem-1"
 
-	truncate -s 1G "${file_path}"
+	truncate -s "${nvme_img_size}" "${file_path}"
 
 	_create_nvmet_subsystem "${subsys_name}" "${file_path}" \
 		"91fdba0d-f87b-4c25-b80f-db7be1418b9e"
diff --git a/tests/nvme/025 b/tests/nvme/025
index 941bf36f67fb..815223d1c28d 100755
--- a/tests/nvme/025
+++ b/tests/nvme/025
@@ -25,7 +25,7 @@ test() {
 	local file_path="$TMPDIR/img"
 	local subsys_name="blktests-subsystem-1"
 
-	truncate -s 1G "${file_path}"
+	truncate -s "${nvme_img_size}" "${file_path}"
 
 	_create_nvmet_subsystem "${subsys_name}" "${file_path}" \
 		"91fdba0d-f87b-4c25-b80f-db7be1418b9e"
diff --git a/tests/nvme/026 b/tests/nvme/026
index c3f06c2a377c..d2203f19f026 100755
--- a/tests/nvme/026
+++ b/tests/nvme/026
@@ -25,7 +25,7 @@ test() {
 	local file_path="$TMPDIR/img"
 	local subsys_name="blktests-subsystem-1"
 
-	truncate -s 1G "${file_path}"
+	truncate -s "${nvme_img_size}" "${file_path}"
 
 	_create_nvmet_subsystem "${subsys_name}" "${file_path}" \
 		"91fdba0d-f87b-4c25-b80f-db7be1418b9e"
diff --git a/tests/nvme/027 b/tests/nvme/027
index 0ad663ace811..97fe70e78344 100755
--- a/tests/nvme/027
+++ b/tests/nvme/027
@@ -25,7 +25,7 @@ test() {
 	local file_path="$TMPDIR/img"
 	local subsys_name="blktests-subsystem-1"
 
-	truncate -s 1G "${file_path}"
+	truncate -s "${nvme_img_size}" "${file_path}"
 
 	_create_nvmet_subsystem "${subsys_name}" "${file_path}" \
 		"91fdba0d-f87b-4c25-b80f-db7be1418b9e"
diff --git a/tests/nvme/028 b/tests/nvme/028
index 7de977a81213..c539620bee28 100755
--- a/tests/nvme/028
+++ b/tests/nvme/028
@@ -25,7 +25,7 @@ test() {
 	local file_path="$TMPDIR/img"
 	local subsys_name="blktests-subsystem-1"
 
-	truncate -s 1G "${file_path}"
+	truncate -s "${nvme_img_size}" "${file_path}"
 
 	_create_nvmet_subsystem "${subsys_name}" "${file_path}" \
 		"91fdba0d-f87b-4c25-b80f-db7be1418b9e"
diff --git a/tests/nvme/029 b/tests/nvme/029
index f8b4cbbb9156..1808b7b0edf1 100755
--- a/tests/nvme/029
+++ b/tests/nvme/029
@@ -14,6 +14,7 @@ requires() {
 	_nvme_requires
 	_have_loop
 	_require_nvme_trtype_is_fabrics
+	_require_test_dev_size 1M
 }
 
 test_user_io()
@@ -59,7 +60,7 @@ test() {
 	local file_path="$TMPDIR/img"
 	local subsys_name="blktests-subsystem-1"
 
-	truncate -s 1G "${file_path}"
+	truncate -s "${nvme_img_size}" "${file_path}"
 
 	loop_dev="$(losetup -f --show "${file_path}")"
 
diff --git a/tests/nvme/031 b/tests/nvme/031
index 4e1798246db1..e70898819a86 100755
--- a/tests/nvme/031
+++ b/tests/nvme/031
@@ -33,7 +33,7 @@ test() {
 
 	_setup_nvmet
 
-	truncate -s 1G "$TMPDIR/img"
+	truncate -s "${nvme_img_size}" "$TMPDIR/img"
 
 	loop_dev="$(losetup -f --show "$TMPDIR/img")"
 
diff --git a/tests/nvme/032 b/tests/nvme/032
index 2e4b7f0760c7..46bbff25e70d 100755
--- a/tests/nvme/032
+++ b/tests/nvme/032
@@ -40,7 +40,6 @@ test_device() {
 	# start fio job
 	_run_fio_rand_io --filename="$TEST_DEV" \
 		--group_reporting --time_based --runtime=-1 &> /dev/null &
-
 	sleep 5
 
 	if [[ ! -d "$sysfs" ]]; then
diff --git a/tests/nvme/034 b/tests/nvme/034
index f92e5e20865b..e0ede717c373 100755
--- a/tests/nvme/034
+++ b/tests/nvme/034
@@ -26,7 +26,7 @@ test_device() {
 	port=$(_nvmet_passthru_target_setup "${subsys}")
 	nsdev=$(_nvmet_passthru_target_connect "${nvme_trtype}" "${subsys}")
 
-	_run_fio_verify_io --size=950m --filename="${nsdev}"
+	_run_fio_verify_io --size="${nvme_img_size}" --filename="${nsdev}"
 
 	_nvme_disconnect_subsys "${subsys}"
 	_nvmet_passthru_target_cleanup "${port}" "${subsys}"
diff --git a/tests/nvme/035 b/tests/nvme/035
index eb1024edddbf..0896f7bb578d 100755
--- a/tests/nvme/035
+++ b/tests/nvme/035
@@ -17,7 +17,7 @@ requires() {
 }
 
 device_requires() {
-	_require_test_dev_size 1024m
+	_require_test_dev_size "${nvme_img_size}"
 }
 
 test_device() {
@@ -32,7 +32,7 @@ test_device() {
 	port=$(_nvmet_passthru_target_setup "${subsys}")
 	nsdev=$(_nvmet_passthru_target_connect "${nvme_trtype}" "${subsys}")
 
-	_xfs_run_fio_verify_io "${nsdev}" "900m"
+	_xfs_run_fio_verify_io "${nsdev}" "${nvme_img_size}"
 
 	_nvme_disconnect_subsys "${subsys}"
 	_nvmet_passthru_target_cleanup "${port}" "${subsys}"
diff --git a/tests/nvme/040 b/tests/nvme/040
index 05b4f5472ef5..7a8742ec343d 100755
--- a/tests/nvme/040
+++ b/tests/nvme/040
@@ -26,7 +26,7 @@ test() {
 	echo "Running ${TEST_NAME}"
 
 	_setup_nvmet
-	truncate -s 1G "$TMPDIR/img"
+	truncate -s "${nvme_img_size}" "$TMPDIR/img"
 	loop_dev="$(losetup -f --show "$TMPDIR/img")"
 
 	port="$(_create_nvmet_port "${nvme_trtype}")"
diff --git a/tests/nvme/041 b/tests/nvme/041
index 03e2dab25918..308655dd6090 100755
--- a/tests/nvme/041
+++ b/tests/nvme/041
@@ -44,7 +44,7 @@ test() {
 
 	_setup_nvmet
 
-	truncate -s 512M "${file_path}"
+	truncate -s "${nvme_img_size}" "${file_path}"
 
 	_create_nvmet_subsystem "${subsys_name}" "${file_path}" \
 		"b92842df-a394-44b1-84a4-92ae7d112861"
diff --git a/tests/nvme/042 b/tests/nvme/042
index 4ad726f72f5a..fed2efead013 100755
--- a/tests/nvme/042
+++ b/tests/nvme/042
@@ -41,7 +41,7 @@ test() {
 
 	_setup_nvmet
 
-	truncate -s 512M "${file_path}"
+	truncate -s "${nvme_img_size}" "${file_path}"
 
 	_create_nvmet_subsystem "${subsys_name}" "${file_path}"
 	port="$(_create_nvmet_port "${nvme_trtype}")"
diff --git a/tests/nvme/043 b/tests/nvme/043
index c031cecf34a5..a030884aa4ed 100755
--- a/tests/nvme/043
+++ b/tests/nvme/043
@@ -42,7 +42,7 @@ test() {
 
 	_setup_nvmet
 
-	truncate -s 512M "${file_path}"
+	truncate -s "${nvme_img_size}" "${file_path}"
 
 	_create_nvmet_subsystem "${subsys_name}" "${file_path}"
 	port="$(_create_nvmet_port "${nvme_trtype}")"
diff --git a/tests/nvme/044 b/tests/nvme/044
index f2406ecadf7d..9928bcc55397 100755
--- a/tests/nvme/044
+++ b/tests/nvme/044
@@ -53,7 +53,7 @@ test() {
 
 	_setup_nvmet
 
-	truncate -s 512M "${file_path}"
+	truncate -s "${nvme_img_size}" "${file_path}"
 
 	_create_nvmet_subsystem "${subsys_name}" "${file_path}"
 	port="$(_create_nvmet_port "${nvme_trtype}")"
diff --git a/tests/nvme/045 b/tests/nvme/045
index 612e5f168e3c..7c51da27b5f1 100755
--- a/tests/nvme/045
+++ b/tests/nvme/045
@@ -55,7 +55,7 @@ test() {
 
 	_setup_nvmet
 
-	truncate -s 512M "${file_path}"
+	truncate -s "${nvme_img_size}" "${file_path}"
 
 	_create_nvmet_subsystem "${subsys_name}" "${file_path}"
 	port="$(_create_nvmet_port "${nvme_trtype}")"
diff --git a/tests/nvme/047 b/tests/nvme/047
index d56d3be185b0..b5a8d469a983 100755
--- a/tests/nvme/047
+++ b/tests/nvme/047
@@ -28,7 +28,7 @@ test() {
 	local file_path="$TMPDIR/img"
 	local subsys_name="blktests-subsystem-1"
 
-	truncate -s 512M "${file_path}"
+	truncate -s "${nvme_img_size}" "${file_path}"
 
 	loop_dev="$(losetup -f --show "${file_path}")"
 
diff --git a/tests/nvme/048 b/tests/nvme/048
index 09e205f69197..81084f0440c2 100755
--- a/tests/nvme/048
+++ b/tests/nvme/048
@@ -84,7 +84,7 @@ test() {
 	fi
 	hostnqn="nqn.2014-08.org.nvmexpress:uuid:${hostid}"
 
-	truncate -s 512M "${file_path}"
+	truncate -s "${nvme_img_size}" "${file_path}"
 
 	_create_nvmet_subsystem "${subsys_name}" "${file_path}" \
 		"b92842df-a394-44b1-84a4-92ae7d112861"
diff --git a/tests/nvme/rc b/tests/nvme/rc
index 41f196b037d6..51dde39c2966 100644
--- a/tests/nvme/rc
+++ b/tests/nvme/rc
@@ -17,6 +17,7 @@ def_local_wwpn="0x20001100aa000002"
 def_hostnqn="$(cat /etc/nvme/hostnqn 2> /dev/null)"
 def_hostid="$(cat /etc/nvme/hostid 2> /dev/null)"
 nvme_trtype=${nvme_trtype:-"loop"}
+nvme_img_size=${nvme_img_size:-"1G"}
 
 _nvme_requires() {
 	_have_program nvme
-- 
2.40.0