[PATCH v4 5/8] t/zbd: add -m option to enable write_zone_remainder option

The previous commit introduced the option write_zone_remainder. To
confirm the option works as expected, introduce the new option -m
to the test scripts test-zbd-support and run-tests-against-nullb.

Signed-off-by: Shin'ichiro Kawasaki <[email protected]>
---
 t/zbd/run-tests-against-nullb |  6 ++++++
 t/zbd/test-zbd-support        | 30 ++++++++++++++++++++++++++++++
 2 files changed, 36 insertions(+)

diff --git a/t/zbd/run-tests-against-nullb b/t/zbd/run-tests-against-nullb
index f1cba355..628e41a3 100755
--- a/t/zbd/run-tests-against-nullb
+++ b/t/zbd/run-tests-against-nullb
@@ -23,6 +23,7 @@ usage()
 	echo -e "\t-o <max_open_zones> Specify MaxOpen value, (${set_max_open} by default)."
 	echo -e "\t-n <#number of runs> Set the number of times to run the entire suite "
 	echo -e "\t   or an individual section/test."
+	echo -e "\t-m Pass -m option to test-zbd-support to enable write_zone_remainder."
 	echo -e "\t-q Quit t/zbd/test-zbd-support run after any failed test."
 	echo -e "\t-r Remove the /dev/nullb0 device that may still exist after"
 	echo -e "\t   running this script."
@@ -426,6 +427,7 @@ dev_size=1024
 dev_blocksize=4096
 set_max_open=8
 set_extra_max_active=2
+write_zone_remainder=0
 zbd_test_opts=()
 num_of_runs=1
 test_case=0
@@ -438,6 +440,7 @@ while (($#)); do
 		-L) list_only=1; shift;;
 		-r) cleanup_nullb; exit 0;;
 		-n) num_of_runs="${2}"; shift; shift;;
+		-m) write_zone_remainder=1; shift;;
 		-t) test_case="${2}"; shift; shift;;
 		-q) quit_on_err=1; shift;;
 		-h) usage; break;;
@@ -491,6 +494,9 @@ while ((run_nr <= $num_of_runs)); do
 		if ((quit_on_err)); then
 			zbd_test_opts+=("-q")
 		fi
+		if ((write_zone_remainder)); then
+			zbd_test_opts+=("-m")
+		fi
 		section$section_number
 		configure_nullb
 		rc=$?
diff --git a/t/zbd/test-zbd-support b/t/zbd/test-zbd-support
index 40f1de90..01fb4dd3 100755
--- a/t/zbd/test-zbd-support
+++ b/t/zbd/test-zbd-support
@@ -13,6 +13,7 @@ usage() {
 	echo -e "\t-l Test with libzbc ioengine"
 	echo -e "\t-r Reset all zones before test start"
 	echo -e "\t-w Reset all zones before executing each write test case"
+	echo -e "\t-m Write zone remainder instead of zone finish operation"
 	echo -e "\t-o <max_open_zones> Run fio with max_open_zones limit"
 	echo -e "\t-t <test #> Run only a single test case with specified number"
 	echo -e "\t-s <test #> Start testing from the case with the specified number"
@@ -202,6 +203,30 @@ has_max_open_zones() {
 	return 1
 }
 
+has_zone_writes() {
+	local has_zonemode_zbd=0
+	local has_write=0
+	local word
+
+	while (($# > 1)); do
+		if [[ ${1} =~ "--zonemode=zbd" ]]; then
+			has_zonemode_zbd=1
+		fi
+		if [[ ${1} =~ "--rw=" ]]; then
+			word=${1}
+			word=${word/--rw=/}
+			if [[ $word =~ w ]]; then
+				has_write=1
+			fi
+		fi
+		shift
+	done
+	if ((has_zonemode_zbd && has_write)); then
+		return 0
+	fi
+	return 1
+}
+
 run_fio() {
     local fio opts
 
@@ -215,6 +240,9 @@ run_fio() {
     if [[ -n ${max_open_zones_opt} ]] && ! has_max_open_zones "${opts[@]}"; then
 	    opts+=("--max_open_zones=${max_open_zones_opt}")
     fi
+    if [[ -n ${write_zone_remainder} ]] && has_zone_writes "${opts[@]}"; then
+	    opts+=("--write_zone_remainder=1")
+    fi
     { echo; echo "fio ${opts[*]}"; echo; } >>"${logfile}.${test_number}"
 
     "${dynamic_analyzer[@]}" "$fio" "${opts[@]}"
@@ -1877,6 +1905,7 @@ reset_all_zones=
 reset_before_write=
 use_libzbc=
 zbd_debug=
+write_zone_remainder=
 max_open_zones_opt=
 quit_on_err=
 force_io_uring=
@@ -1892,6 +1921,7 @@ while [ "${1#-}" != "$1" ]; do
     -l) use_libzbc=1; shift;;
     -r) reset_all_zones=1; shift;;
     -w) reset_before_write=1; shift;;
+    -m) write_zone_remainder=1; shift;;
     -t) tests+=("$2"); shift; shift;;
     -o) max_open_zones_opt="${2}"; shift; shift;;
     -s) start_test=$2; shift; shift;;
-- 
2.49.0