Ming Lei d836590d9a selftests: ublk: add two stress tests for zero copy feature
Add stress_03 & stress_04 for covering zero copy feature.

Signed-off-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20250412023035.2649275-7-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2025-04-16 19:32:18 -06:00

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#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
. "$(cd "$(dirname "$0")" && pwd)"/test_common.sh
TID="stress_03"
ERR_CODE=0
ublk_io_and_remove()
{
run_io_and_remove "$@"
ERR_CODE=$?
if [ ${ERR_CODE} -ne 0 ]; then
echo "$TID failure: $*"
_show_result $TID $ERR_CODE
fi
}
if ! _have_program fio; then
exit "$UBLK_SKIP_CODE"
fi
if ! _have_feature "ZERO_COPY"; then
exit "$UBLK_SKIP_CODE"
fi
_prep_test "stress" "run IO and remove device(zero copy)"
_create_backfile 0 256M
_create_backfile 1 128M
_create_backfile 2 128M
ublk_io_and_remove 8G -t null -q 4 -z &
ublk_io_and_remove 256M -t loop -q 4 -z "${UBLK_BACKFILES[0]}" &
ublk_io_and_remove 256M -t stripe -q 4 -z "${UBLK_BACKFILES[1]}" "${UBLK_BACKFILES[2]}" &
wait
_cleanup_test "stress"
_show_result $TID $ERR_CODE