diff options
Diffstat (limited to 'kernel/tests/testcases/kernel/syscalls/ioctl/ioctl_loop01.c')
| -rw-r--r-- | kernel/tests/testcases/kernel/syscalls/ioctl/ioctl_loop01.c | 155 |
1 files changed, 0 insertions, 155 deletions
diff --git a/kernel/tests/testcases/kernel/syscalls/ioctl/ioctl_loop01.c b/kernel/tests/testcases/kernel/syscalls/ioctl/ioctl_loop01.c deleted file mode 100644 index cf71184..0000000 --- a/kernel/tests/testcases/kernel/syscalls/ioctl/ioctl_loop01.c +++ /dev/null @@ -1,155 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -/* - * Copyright (c) 2020 FUJITSU LIMITED. All rights reserved. - * Author: Yang Xu <xuyang2018.jy@cn.jujitsu.com> - * - * This is a basic ioctl test about loopdevice. - * It is designed to test LO_FLAGS_AUTOCLEAR and LO_FLAGS_PARTSCAN flag. - * - * For LO_FLAGS_AUTOCLEAR flag, we only check autoclear field value in sys - * directory and also get lo_flags by using LOOP_GET_STATUS. - * - * For LO_FLAGS_PARTSCAN flag, it is the same as LO_FLAGS_AUTOCLEAR flag. - * But we also check whether we can scan partition table correctly ie check - * whether /dev/loopnp1 and /sys/bloclk/loop0/loop0p1 existed. - * - * For LO_FLAGS_AUTOCLEAR flag, it can be clear. For LO_FLAGS_PARTSCAN flag, - * it cannot be clear. We also check this. - * - * It is also a regression test for kernel - * commit 10c70d95c0f2 ("block: remove the bd_openers checks in blk_drop_partitions") - * commit 6ac92fb5cdff ("loop: Fix wrong masking of status flags"). - */ - -#include <stdio.h> -#include <unistd.h> -#include <string.h> -#include "lapi/loop.h" -#include "tst_test.h" - -static char dev_path[1024], backing_path[1024], backing_file_path[1024]; -static int dev_num, attach_flag, dev_fd, parted_sup; - -/* - * In drivers/block/loop.c code, set status function doesn't handle - * LO_FLAGS_READ_ONLY flag and ingore it. Only loop_set_fd with read only mode - * file_fd, lo_flags will include LO_FLAGS_READ_ONLY and it's the same for - * LO_FLAGS_DIRECT_IO. - */ -#define SET_FLAGS (LO_FLAGS_AUTOCLEAR | LO_FLAGS_PARTSCAN | LO_FLAGS_READ_ONLY | LO_FLAGS_DIRECT_IO) -#define GET_FLAGS (LO_FLAGS_AUTOCLEAR | LO_FLAGS_PARTSCAN) - -static char partscan_path[1024], autoclear_path[1024]; -static char loop_partpath[1026], sys_loop_partpath[1026]; - -static void check_loop_value(int set_flag, int get_flag, int autoclear_field) -{ - struct loop_info loopinfo = {0}, loopinfoget = {0}; - int ret; - - loopinfo.lo_flags = set_flag; - SAFE_IOCTL(dev_fd, LOOP_SET_STATUS, &loopinfo); - SAFE_IOCTL(dev_fd, LOOP_GET_STATUS, &loopinfoget); - - if (loopinfoget.lo_flags & ~get_flag) - tst_res(TFAIL, "expect %d but got %d", get_flag, loopinfoget.lo_flags); - else - tst_res(TPASS, "get expected lo_flag %d", loopinfoget.lo_flags); - - TST_ASSERT_INT(partscan_path, 1); - TST_ASSERT_INT(autoclear_path, autoclear_field); - - if (!parted_sup) { - tst_res(TINFO, "Current environment doesn't have parted disk, skip it"); - return; - } - - ret = TST_RETRY_FN_EXP_BACKOFF(access(loop_partpath, F_OK), TST_RETVAL_EQ0, 30); - if (ret == 0) - tst_res(TPASS, "access %s succeeds", loop_partpath); - else - tst_res(TFAIL, "access %s fails", loop_partpath); - - ret = TST_RETRY_FN_EXP_BACKOFF(access(sys_loop_partpath, F_OK), TST_RETVAL_EQ0, 30); - if (ret == 0) - tst_res(TPASS, "access %s succeeds", sys_loop_partpath); - else - tst_res(TFAIL, "access %s fails", sys_loop_partpath); -} - -static void verify_ioctl_loop(void) -{ - tst_attach_device(dev_path, "test.img"); - attach_flag = 1; - - TST_ASSERT_INT(partscan_path, 0); - TST_ASSERT_INT(autoclear_path, 0); - TST_ASSERT_STR(backing_path, backing_file_path); - - check_loop_value(SET_FLAGS, GET_FLAGS, 1); - - tst_res(TINFO, "Test flag can be clear"); - check_loop_value(0, LO_FLAGS_PARTSCAN, 0); - - tst_detach_device_by_fd(dev_path, dev_fd); - attach_flag = 0; -} - -static void setup(void) -{ - int ret; - const char *const cmd_parted[] = {"parted", "-s", "test.img", "mklabel", "msdos", "mkpart", - "primary", "ext4", "1M", "10M", NULL}; - - dev_num = tst_find_free_loopdev(dev_path, sizeof(dev_path)); - if (dev_num < 0) - tst_brk(TBROK, "Failed to find free loop device"); - - tst_fill_file("test.img", 0, 1024 * 1024, 10); - - ret = tst_cmd(cmd_parted, NULL, NULL, TST_CMD_PASS_RETVAL); - switch (ret) { - case 0: - parted_sup = 1; - break; - case 255: - tst_res(TCONF, "parted binary not installed or failed"); - break; - default: - tst_res(TCONF, "parted exited with %i", ret); - break; - } - - sprintf(partscan_path, "/sys/block/loop%d/loop/partscan", dev_num); - sprintf(autoclear_path, "/sys/block/loop%d/loop/autoclear", dev_num); - sprintf(backing_path, "/sys/block/loop%d/loop/backing_file", dev_num); - sprintf(sys_loop_partpath, "/sys/block/loop%d/loop%dp1", dev_num, dev_num); - sprintf(backing_file_path, "%s/test.img", tst_get_tmpdir()); - sprintf(loop_partpath, "%sp1", dev_path); - dev_fd = SAFE_OPEN(dev_path, O_RDWR); -} - -static void cleanup(void) -{ - if (dev_fd > 0) - SAFE_CLOSE(dev_fd); - if (attach_flag) - tst_detach_device(dev_path); -} - -static struct tst_test test = { - .setup = setup, - .cleanup = cleanup, - .test_all = verify_ioctl_loop, - .needs_root = 1, - .needs_drivers = (const char *const []) { - "loop", - NULL - }, - .tags = (const struct tst_tag[]) { - {"linux-git", "10c70d95c0f2"}, - {"linux-git", "6ac92fb5cdff"}, - {} - }, - .needs_tmpdir = 1, -}; |