When test target zoned block devices have max_open_zones or
max_active_zones limit, high queue depth sequential write in the test
case zbd/005 may result in parallel writes to number of zones beyond the
limit. This causes I/O errors.
To avoid the errors, specify the limit to fio command in the test case.
Signed-off-by: Shin'ichiro Kawasaki <shinichiro.kawasaki@xxxxxxx>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@xxxxxxx>
Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@xxxxxxx>
---
tests/zbd/005 | 13 ++++++++-----
1 file changed, 8 insertions(+), 5 deletions(-)
diff --git a/tests/zbd/005 b/tests/zbd/005
index 1e8962c..a7fb175 100755
--- a/tests/zbd/005
+++ b/tests/zbd/005
@@ -28,7 +28,8 @@ cleanup_fallback_device() {
test_device() {
local -i zone_idx
local -i offset
- local zbdmode=""
+ local -i moaz
+ local -a zbdmode=()
echo "Running ${TEST_NAME}"
@@ -36,11 +37,13 @@ test_device() {
zone_idx=$(_find_first_sequential_zone) || return $?
offset=$((ZONE_STARTS[zone_idx] * 512))
+ moaz=$(_test_dev_max_open_active_zones)
# If the test target zone has smaller zone capacity than zone size,
- # enable zonemode=zbd to have fio handle the zone capacity limit.
- if ((ZONE_CAPS[zone_idx] != ZONE_LENGTHS[zone_idx])); then
- zbdmode="--zonemode=zbd"
+ # or if the test target device has max open/active zones limit, enable
+ # zonemode=zbd and specify the limit to handle the zone restrictions.
+ if ((ZONE_CAPS[zone_idx] != ZONE_LENGTHS[zone_idx])) || ((moaz)); then
+ zbdmode=("--zonemode=zbd" "--max_open_zones=${moaz}")
fi
blkzone reset -o "${ZONE_STARTS[zone_idx]}" "${TEST_DEV}"
@@ -51,7 +54,7 @@ test_device() {
FIO_PERF_FIELDS=("write io" "write iops")
_fio_perf --filename="${TEST_DEV}" --name zbdwo --rw=write --direct=1 \
--ioengine=libaio --iodepth=128 --bs=256k \
- --offset="${offset}" ${zbdmode}
+ --offset="${offset}" "${zbdmode[@]}"
_put_blkzone_report
--
2.28.0
