[LTP] [PATCH v3 7/7] syscalls/sync_file_range: add sync device test-case

[Cyril Hrubis]

Hi!
> sync_file_range02 tests to sync file data range having large dirty file
> pages to block device. Also, it tests all supported filesystems on a
> test block device.
> 
> Signed-off-by: Sumit Garg <sumit.garg@linaro.org>
> ---
>  runtest/syscalls                                   |  1 +
>  .../kernel/syscalls/sync_file_range/.gitignore     |  1 +
>  .../syscalls/sync_file_range/sync_file_range02.c   | 70 ++++++++++++++++++++++
>  3 files changed, 72 insertions(+)
>  create mode 100644 testcases/kernel/syscalls/sync_file_range/sync_file_range02.c
> 
> diff --git a/runtest/syscalls b/runtest/syscalls
> index aaad651..70d3561 100644
> --- a/runtest/syscalls
> +++ b/runtest/syscalls
> @@ -1353,6 +1353,7 @@ syncfs01 syncfs01
>  
>  #testcases for sync_file_range
>  sync_file_range01 sync_file_range01
> +sync_file_range02 sync_file_range02
>  
>  syscall01 syscall01
>  
> diff --git a/testcases/kernel/syscalls/sync_file_range/.gitignore b/testcases/kernel/syscalls/sync_file_range/.gitignore
> index 3f6bd75..e6485f7 100644
> --- a/testcases/kernel/syscalls/sync_file_range/.gitignore
> +++ b/testcases/kernel/syscalls/sync_file_range/.gitignore
> @@ -1 +1,2 @@
>  /sync_file_range01
> +/sync_file_range02
> diff --git a/testcases/kernel/syscalls/sync_file_range/sync_file_range02.c b/testcases/kernel/syscalls/sync_file_range/sync_file_range02.c
> new file mode 100644
> index 0000000..fb7a5f7
> --- /dev/null
> +++ b/testcases/kernel/syscalls/sync_file_range/sync_file_range02.c
> @@ -0,0 +1,70 @@
> +// SPDX-License-Identifier: GPL-2.0-or-later
> +/*
> + * Copyright (c) 2019 Linaro Limited. All rights reserved.
> + * Author: Sumit Garg <sumit.garg@linaro.org>
> + */
> +
> +/*
> + * sync_file_range02
> + *
> + * It basically tests sync_file_range() to sync test file range having large
> + * dirty file pages to block device. Also, it tests all supported filesystems
> + * on a test block device.
> + */
> +
> +#define _GNU_SOURCE
> +#include <errno.h>
> +#include <stdlib.h>
> +#include <stdio.h>
> +#include <sys/types.h>
> +#include "tst_sync_device.h"
> +#include "tst_test.h"
> +#include "lapi/sync_file_range.h"
> +#include "check_sync_file_range.h"
> +
> +#define MNTPOINT		"mnt_point"
> +#define TST_FILE		MNTPOINT"/test"
> +#define TST_FILE_SIZE_MB	32
> +#define SIZE_MB			(1024*1024)
> +
> +static void verify_sync_file_range(void)
> +{
> +	int fd;
> +
> +	fd = tst_sync_device_write(TST_FILE, TST_FILE_SIZE_MB);
> +
> +	TEST(sync_file_range(fd, 0, TST_FILE_SIZE_MB * SIZE_MB,
> +			     SYNC_FILE_RANGE_WAIT_BEFORE |
> +			     SYNC_FILE_RANGE_WRITE |
> +			     SYNC_FILE_RANGE_WAIT_AFTER));
> +	if (TST_RET != 0)
> +		tst_brk(TFAIL | TTERRNO, "sync_file_range() failed");
> +
> +	if (tst_sync_device_check(TST_FILE_SIZE_MB))
> +		tst_res(TPASS, "Test file range synced to device");
> +	else
> +		tst_res(TFAIL, "Failed to sync test file range to device");
> +}
> +
> +static void setup(void)
> +{
> +	tst_sync_device_init(tst_device->dev);
> +}
> +
> +static void cleanup(void)
> +{
> +	if (!check_sync_file_range())
> +		tst_brk(TCONF, "sync_file_range() not supported");

This check is supposed to be in the test setup, right?

> +	tst_sync_device_cleanup();
> +}
> +
> +static struct tst_test test = {
> +	.needs_root = 1,
> +	.mount_device = 1,
> +	.all_filesystems = 1,
> +	.mntpoint = MNTPOINT,
> +	.setup = setup,
> +	.cleanup = cleanup,
> +	.test_all = verify_sync_file_range,
> +};
> -- 
> 2.7.4
> 

-- 
Cyril Hrubis
chrubis@suse.cz