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linux/tools/testing/selftests/filesystems/fat/run_fat_tests.sh
Hui Min Mina Chou 1e9519b6fb selftests/filesystems: Add six consecutive 'x' characters to mktemp
In busybox, the mktemp requires that the generated filename be
suffixed with at least six consecutive 'X' characters. Otherwise,
it will return an "Invalid argument" error.

Signed-off-by: Hui Min Mina Chou <minachou@andestech.com>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2023-08-16 10:10:39 -06:00

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#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
#
# Run filesystem operations tests on an 1 MiB disk image that is formatted with
# a vfat filesystem and mounted in a temporary directory using a loop device.
#
# Copyright 2022 Red Hat Inc.
# Author: Javier Martinez Canillas <javierm@redhat.com>
set -e
set -u
set -o pipefail
BASE_DIR="$(dirname $0)"
TMP_DIR="$(mktemp -d /tmp/fat_tests_tmp.XXXXXX)"
IMG_PATH="${TMP_DIR}/fat.img"
MNT_PATH="${TMP_DIR}/mnt"
cleanup()
{
mountpoint -q "${MNT_PATH}" && unmount_image
rm -rf "${TMP_DIR}"
}
trap cleanup SIGINT SIGTERM EXIT
create_loopback()
{
touch "${IMG_PATH}"
chattr +C "${IMG_PATH}" >/dev/null 2>&1 || true
truncate -s 1M "${IMG_PATH}"
mkfs.vfat "${IMG_PATH}" >/dev/null 2>&1
}
mount_image()
{
mkdir -p "${MNT_PATH}"
sudo mount -o loop "${IMG_PATH}" "${MNT_PATH}"
}
rename_exchange_test()
{
local rename_exchange="${BASE_DIR}/rename_exchange"
local old_path="${MNT_PATH}/old_file"
local new_path="${MNT_PATH}/new_file"
echo old | sudo tee "${old_path}" >/dev/null 2>&1
echo new | sudo tee "${new_path}" >/dev/null 2>&1
sudo "${rename_exchange}" "${old_path}" "${new_path}" >/dev/null 2>&1
sudo sync -f "${MNT_PATH}"
grep new "${old_path}" >/dev/null 2>&1
grep old "${new_path}" >/dev/null 2>&1
}
rename_exchange_subdir_test()
{
local rename_exchange="${BASE_DIR}/rename_exchange"
local dir_path="${MNT_PATH}/subdir"
local old_path="${MNT_PATH}/old_file"
local new_path="${dir_path}/new_file"
sudo mkdir -p "${dir_path}"
echo old | sudo tee "${old_path}" >/dev/null 2>&1
echo new | sudo tee "${new_path}" >/dev/null 2>&1
sudo "${rename_exchange}" "${old_path}" "${new_path}" >/dev/null 2>&1
sudo sync -f "${MNT_PATH}"
grep new "${old_path}" >/dev/null 2>&1
grep old "${new_path}" >/dev/null 2>&1
}
unmount_image()
{
sudo umount "${MNT_PATH}" &> /dev/null
}
create_loopback
mount_image
rename_exchange_test
rename_exchange_subdir_test
unmount_image
exit 0