The previous commit fixed the issue of the unexpected write with options
zonemode=zbd, rw=randrw and rwmixwrite=0. Add a test to confirm the fix.
Signed-off-by: Shin'ichiro Kawasaki <shinichiro.kawasaki@xxxxxxx>
---
t/zbd/test-zbd-support | 23 +++++++++++++++++++++++
1 file changed, 23 insertions(+)
diff --git a/t/zbd/test-zbd-support b/t/zbd/test-zbd-support
index 2f15a191..532860eb 100755
--- a/t/zbd/test-zbd-support
+++ b/t/zbd/test-zbd-support
@@ -1561,6 +1561,29 @@ test67() {
grep -q 'Exceeded max_active_zones limit' "${logfile}.${test_number}"
}
+# Test rw=randrw and rwmixwrite=0 options do not issue write I/O unit
+test68() {
+ local off size
+
+ require_zbd || return "$SKIP_TESTCASE"
+
+ reset_zone "${dev}" -1
+
+ # Write some data as preparation
+ off=$((first_sequential_zone_sector * 512))
+ size=$min_seq_write_size
+ run_one_fio_job "$(ioengine "psync")" --rw=write --offset="$off" \
+ --io_size="$size" --zonemode=strided \
+ --zonesize="$zone_size" --zonerange="$zone_size" \
+ >> "${logfile}.${test_number}" 2>&1 || return $?
+ # Run random mixed read and write specifying zero write ratio
+ run_fio_on_seq "$(ioengine "psync")" --rw=randrw --rwmixwrite=0 \
+ --time_based --runtime=1s \
+ >> "${logfile}.${test_number}" 2>&1 || return $?
+ # "WRITE:" shall be recoreded only once for the preparation
+ [[ $(grep -c "WRITE:" "${logfile}.${test_number}") == 1 ]]
+}
+
SECONDS=0
tests=()
dynamic_analyzer=()
--
2.43.0
