| // SPDX-License-Identifier: GPL-2.0-or-later |
| /* |
| * Copyright (c) 2019 Linaro Limited. All rights reserved. |
| * Author: Sumit Garg <[email protected]> |
| */ |
| |
| /* |
| * Test syncfs |
| * |
| * It basically tests syncfs() to sync filesystem having large dirty file |
| * pages to block device. Also, it tests all supported filesystems on a test |
| * block device. |
| */ |
| |
| #define _GNU_SOURCE |
| #include <stdlib.h> |
| #include <stdio.h> |
| #include <sys/types.h> |
| #include "tst_test.h" |
| #include "lapi/syncfs.h" |
| #include "check_syncfs.h" |
| |
| #define MNTPOINT "mnt_point" |
| #define FNAME MNTPOINT"/test" |
| #define FILE_SIZE_MB 32 |
| #define FILE_SIZE (FILE_SIZE_MB * TST_MB) |
| #define MODE 0644 |
| |
| static void verify_syncfs(void) |
| { |
| int fd; |
| unsigned long written; |
| |
| fd = SAFE_OPEN(FNAME, O_RDWR|O_CREAT, MODE); |
| |
| tst_dev_sync(fd); |
| tst_dev_bytes_written(tst_device->dev); |
| |
| tst_fill_fd(fd, 0, TST_MB, FILE_SIZE_MB); |
| |
| TEST(syncfs(fd)); |
| |
| if (TST_RET) |
| tst_brk(TFAIL | TTERRNO, "syncfs(fd) failed"); |
| |
| written = tst_dev_bytes_written(tst_device->dev); |
| |
| SAFE_CLOSE(fd); |
| |
| if (written >= FILE_SIZE) |
| tst_res(TPASS, "Test filesystem synced to device"); |
| else |
| tst_res(TFAIL, "Synced %li, expected %i", written, FILE_SIZE); |
| } |
| |
| static void setup(void) |
| { |
| check_syncfs(); |
| } |
| |
| static struct tst_test test = { |
| .needs_root = 1, |
| .mount_device = 1, |
| .all_filesystems = 1, |
| .mntpoint = MNTPOINT, |
| .setup = setup, |
| .test_all = verify_syncfs, |
| }; |
