113 lines
2.3 KiB
C
113 lines
2.3 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Copyright (c) 2016 Linux Test Project
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* Copyright (C) 2021 SUSE LLC Andrea Cervesato <andrea.cervesato@suse.com>
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*/
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#define _GNU_SOURCE
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#include <stdlib.h>
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#include <sys/mount.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <lapi/loop.h>
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#include <time.h>
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#include "tst_test.h"
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#define DEVBLOCKSIZE 2048
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#define DEV_MIN_SIZE 310
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static char *mntpoint;
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static uint64_t ltp_dev_size;
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static int set_block_size(int fd)
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{
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return ioctl(fd, LOOP_SET_BLOCK_SIZE, DEVBLOCKSIZE);
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}
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static void setup(void)
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{
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int fd;
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int ret;
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ret = asprintf(&mntpoint, "%s/mnt", tst_get_tmpdir());
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if (ret < 0)
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tst_brk(TBROK, "asprintf failure");
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fd = SAFE_OPEN(tst_device->dev, O_RDONLY);
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SAFE_IOCTL(fd, BLKGETSIZE64, <p_dev_size);
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TST_RETRY_FN_EXP_BACKOFF(set_block_size(fd), TST_RETVAL_EQ0, 10);
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SAFE_CLOSE(fd);
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SAFE_MKFS(tst_device->dev, tst_device->fs_type, NULL, NULL);
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SAFE_MKDIR(mntpoint, 0777);
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SAFE_MOUNT(tst_device->dev, mntpoint, tst_device->fs_type, 0, 0);
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}
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static void cleanup(void)
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{
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if (tst_is_mounted(mntpoint))
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SAFE_UMOUNT(mntpoint);
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}
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static void test_dev_min_size(void)
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{
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uint64_t size;
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size = ltp_dev_size / 1024 / 1024;
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if (size == DEV_MIN_SIZE)
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tst_res(TPASS, "Got expected device size %lu", size);
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else
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tst_res(TFAIL, "Expected device size is %d but got %lu",
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DEV_MIN_SIZE, size);
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}
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static void test_tst_find_backing_dev(void)
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{
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char block_dev[100];
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tst_find_backing_dev(mntpoint, block_dev, sizeof(block_dev));
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if (!strcmp(tst_device->dev, block_dev))
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tst_res(TPASS, "%s belongs to %s block dev", mntpoint,
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block_dev);
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else
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tst_res(TFAIL, "%s should belong to %s, but %s is returned",
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mntpoint, tst_device->dev, block_dev);
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}
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static void test_tst_dev_block_size(void)
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{
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int block_size;
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block_size = tst_dev_block_size(mntpoint);
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if (block_size == DEVBLOCKSIZE)
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tst_res(TPASS, "%s has %d block size", mntpoint, block_size);
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else
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tst_res(TFAIL, "%s has %d block size, but expected is %i",
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mntpoint, block_size, DEVBLOCKSIZE);
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}
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static void do_test(void)
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{
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test_dev_min_size();
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test_tst_find_backing_dev();
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test_tst_dev_block_size();
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}
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static struct tst_test test = {
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.needs_root = 1,
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.needs_device = 1,
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.dev_min_size = DEV_MIN_SIZE,
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.test_all = do_test,
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.setup = setup,
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.cleanup = cleanup,
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.min_kver = "4.14",
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};
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