66 lines
1.3 KiB
C
66 lines
1.3 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Copyright (c) 2019 Linaro Limited. All rights reserved.
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* Author: Sumit Garg <sumit.garg@linaro.org>
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*/
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/*
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* fdatasync03
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*
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* It basically tests fdatasync() to sync test file data having large dirty
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* file pages to block device. Also, it tests all supported filesystems on a
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* test block device.
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*/
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#define _GNU_SOURCE
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#include <errno.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <sys/types.h>
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#include "tst_test.h"
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#define MNTPOINT "mnt_point"
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#define FNAME MNTPOINT"/test"
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#define FILE_SIZE_MB 32
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#define FILE_SIZE (FILE_SIZE_MB * TST_MB)
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#define MODE 0644
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static void verify_fdatasync(void)
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{
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int fd;
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unsigned long written;
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fd = SAFE_OPEN(FNAME, O_RDWR|O_CREAT, MODE);
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tst_dev_sync(fd);
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tst_dev_bytes_written(tst_device->dev);
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tst_fill_fd(fd, 0, TST_MB, FILE_SIZE_MB);
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TEST(fdatasync(fd));
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if (TST_RET)
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tst_brk(TFAIL | TTERRNO, "fdatasync(fd) failed");
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written = tst_dev_bytes_written(tst_device->dev);
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SAFE_CLOSE(fd);
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if (written >= FILE_SIZE)
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tst_res(TPASS, "Test file data synced to device");
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else
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tst_res(TFAIL, "Synced %li, expected %i", written, FILE_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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.mount_device = 1,
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.all_filesystems = 1,
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.mntpoint = MNTPOINT,
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.test_all = verify_fdatasync,
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.skip_filesystems = (const char *[]) {
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"tmpfs",
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NULL
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}
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};
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