tools/testing/selftests/ublk/test_stress_08.sh

Source file repositories/reference/linux-study-clean/tools/testing/selftests/ublk/test_stress_08.sh

File Facts

System
Linux kernel
Corpus path
tools/testing/selftests/ublk/test_stress_08.sh
Extension
.sh
Size
984 bytes
Lines
45
Domain
Support Tooling And Documentation
Bucket
tools
Inferred role
Support Tooling And Documentation: tools
Status
atlas-only

Why This File Exists

Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.

Dependency Surface

Detected Declarations

Annotated Snippet

#!/bin/bash
# SPDX-License-Identifier: GPL-2.0

. "$(cd "$(dirname "$0")" && pwd)"/test_common.sh
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 "$UBLK_SKIP_CODE"
fi
if ! _have_feature "AUTO_BUF_REG"; then
	exit "$UBLK_SKIP_CODE"
fi
if ! _have_feature "BATCH_IO"; 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 -b &
ublk_io_and_remove 256M -t loop -q 4 --auto_zc -b "${UBLK_BACKFILES[0]}" &
ublk_io_and_remove 256M -t stripe -q 4 --auto_zc -b "${UBLK_BACKFILES[1]}" "${UBLK_BACKFILES[2]}" &
ublk_io_and_remove 8G -t null -q 4 -z --auto_zc --auto_zc_fallback -b &
wait

_cleanup_test
_show_result $TID $ERR_CODE

Annotation

Implementation Notes