To test zone capacity support by fio using null_blk, add -zone-cap option
to run-tests-against-zoned-nullb. With this option, the script creates a
null_blk device which has zone capacity smaller than zone size and run
test-zbd-support script for the device.
Signed-off-by: Shin'ichiro Kawasaki <shinichiro.kawasaki@xxxxxxx>
---
t/zbd/run-tests-against-zoned-nullb | 30 ++++++++++++++++++++++++++---
1 file changed, 27 insertions(+), 3 deletions(-)
diff --git a/t/zbd/run-tests-against-zoned-nullb b/t/zbd/run-tests-against-zoned-nullb
index 53aee3e8..9a5d5409 100755
--- a/t/zbd/run-tests-against-zoned-nullb
+++ b/t/zbd/run-tests-against-zoned-nullb
@@ -6,6 +6,21 @@
scriptdir="$(cd "$(dirname "$0")" && pwd)"
+zone_size=1
+zone_capacity=1
+if [[ ${1} == "-h" ]]; then
+ echo "Usage: ${0} [OPTIONS]"
+ echo "Options:"
+ echo -e "\t-h Show this message."
+ echo -e "\t-zone-cap Use null blk with zone capacity less than zone size."
+ echo -e "\tany option supported by test-zbd-support script"
+ exit 1
+elif [[ ${1} == "-zone-cap" ]]; then
+ zone_size=4
+ zone_capacity=3
+ shift
+fi
+
for d in /sys/kernel/config/nullb/*; do [ -d "$d" ] && rmdir "$d"; done
modprobe -r null_blk
modprobe null_blk nr_devices=0 || exit $?
@@ -17,9 +32,18 @@ modprobe -r null_blk
modprobe null_blk nr_devices=0 &&
cd /sys/kernel/config/nullb &&
mkdir nullb0 &&
- cd nullb0 &&
- echo 1 > zoned &&
- echo 1 > zone_size &&
+ cd nullb0 || exit $?
+
+if ((zone_capacity < zone_size)); then
+ if [[ ! -w zone_capacity ]]; then
+ echo "null blk does not support zone capacity"
+ exit 1
+ fi
+ echo "${zone_capacity}" > zone_capacity
+fi
+
+echo 1 > zoned &&
+ echo "${zone_size}" > zone_size &&
echo 0 > completion_nsec &&
echo 4096 > blocksize &&
echo 1024 > size &&
--
2.26.2
