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selftests: ublk: add test_stress_05.sh

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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: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20250412023035.2649275-13-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Ming Lei 2025-04-12 10:30:28 +08:00 committed by Jens Axboe
parent 57e13a2e8c
commit 2f9a30bd16
2 changed files with 65 additions and 0 deletions
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1
tools/testing/selftests/ublk/Makefile
View File

@ -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

64
tools/testing/selftests/ublk/test_stress_05.sh Executable file
View File

@ -0,0 +1,64 @@
#!/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