Commit 2f9a30bd authored by Ming Lei's avatar Ming Lei Committed by Jens Axboe
Browse files

selftests: ublk: add test_stress_05.sh 

Add test_stress_05.sh for covering removing device with recovery
enabled.

io-hang has been observed with the following patch:

https://lore.kernel.org/linux-block/20250403-ublk_timeout-v3-1-aa09f76c7451@purestorage.com/



Signed-off-by: default avatarMing Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20250412023035.2649275-13-ming.lei@redhat.com


Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent 57e13a2e

tools/testing/selftests/ublk/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -25,6 +25,7 @@ TEST_PROGS += test_stress_01.sh 
TEST_PROGS += test_stress_02.sh

TEST_PROGS += test_stress_03.sh

TEST_PROGS += test_stress_04.sh

TEST_PROGS += test_stress_05.sh



TEST_GEN_PROGS_EXTENDED = kublk

tools/testing/selftests/ublk/test_stress_05.sh

0 → 100755
+64 −0
Original line number Diff line number Diff line 
#!/bin/bash

# SPDX-License-Identifier: GPL-2.0



. "$(cd "$(dirname "$0")" && pwd)"/test_common.sh

TID="stress_05"

ERR_CODE=0



run_io_and_remove()

{

	local size=$1

	local dev_id

	local dev_pid

	shift 1



	dev_id=$(_add_ublk_dev "$@")

	_check_add_dev $TID $?



	[ "$UBLK_TEST_QUIET" -eq 0 ] && echo "run ublk IO vs. remove device(ublk add $*)"



	fio --name=job1 --filename=/dev/ublkb"${dev_id}" --ioengine=libaio \

		--rw=readwrite --iodepth=128 --size="${size}" --numjobs=4 \

		--runtime=40 --time_based > /dev/null 2>&1 &

	sleep 4



	dev_pid=$(_get_ublk_daemon_pid "$dev_id")

	kill -9 "$dev_pid"



	if ! __remove_ublk_dev_return "${dev_id}"; then

		echo "delete dev ${dev_id} failed"

		return 255

	fi

}



ublk_io_and_remove()

{

	run_io_and_remove "$@"

	ERR_CODE=$?

	if [ ${ERR_CODE} -ne 0 ]; then

		echo "$TID failure: $*"

		_show_result $TID $ERR_CODE

	fi

}



_prep_test "stress" "run IO and remove device with recovery enabled"



_create_backfile 0 256M

_create_backfile 1 256M



for reissue in $(seq 0 1); do

	ublk_io_and_remove 8G -t null -q 4 -g 1 -r 1 -i "$reissue" &

	ublk_io_and_remove 256M -t loop -q 4 -g 1 -r 1 -i "$reissue" "${UBLK_BACKFILES[0]}" &

	wait

done



if _have_feature "ZERO_COPY"; then

	for reissue in $(seq 0 1); do

		ublk_io_and_remove 8G -t null -q 4 -g 1 -z -r 1 -i "$reissue" &

		ublk_io_and_remove 256M -t loop -q 4 -g 1 -z -r 1 -i "$reissue" "${UBLK_BACKFILES[1]}" &

		wait

	done

fi



_cleanup_test "stress"

_show_result $TID $ERR_CODE