tools/testing/selftests/ublk/test_batch_03.sh

Source file repositories/reference/linux-study-clean/tools/testing/selftests/ublk/test_batch_03.sh

File Facts

System
Linux kernel
Corpus path
tools/testing/selftests/ublk/test_batch_03.sh
Extension
.sh
Size
653 bytes
Lines
30
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

if ! _have_feature "BATCH_IO"; then
	exit "$UBLK_SKIP_CODE"
fi

if ! _have_program fio; then
	exit "$UBLK_SKIP_CODE"
fi

_prep_test "generic" "test UBLK_F_BATCH_IO with 1_threads vs. 4_queues"

_create_backfile 0 512M

dev_id=$(_add_ublk_dev -t loop -q 4 --nthreads 1 -b "${UBLK_BACKFILES[0]}")
_check_add_dev $TID $?

# run fio over the ublk disk
fio --name=job1 --filename=/dev/ublkb"${dev_id}" --ioengine=libaio --rw=readwrite \
	--iodepth=32 --size=100M --numjobs=4 > /dev/null 2>&1
ERR_CODE=$?

_cleanup_test
_show_result $TID $ERR_CODE

Annotation

Implementation Notes