73 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			73 lines
		
	
	
		
			1.4 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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| /*
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|  * Test syncfs
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|  *
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|  * It basically tests syncfs() to sync filesystem having large dirty file
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|  * pages to block device. Also, it tests all supported filesystems on a test
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|  * block device.
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|  */
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| 
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| #define _GNU_SOURCE
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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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| #include "lapi/syncfs.h"
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| #include "check_syncfs.h"
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| 
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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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| 
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| static void verify_syncfs(void)
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| {
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| 	int fd;
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| 	unsigned long written;
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| 
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| 	fd = SAFE_OPEN(FNAME, O_RDWR|O_CREAT, MODE);
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| 
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| 	tst_dev_sync(fd);
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| 	tst_dev_bytes_written(tst_device->dev);
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| 
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| 	tst_fill_fd(fd, 0, TST_MB, FILE_SIZE_MB);
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| 
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| 	TEST(syncfs(fd));
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| 
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| 	if (TST_RET)
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| 		tst_brk(TFAIL | TTERRNO, "syncfs(fd) failed");
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| 
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| 	written = tst_dev_bytes_written(tst_device->dev);
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| 
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| 	SAFE_CLOSE(fd);
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| 
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| 	if (written >= FILE_SIZE)
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| 		tst_res(TPASS, "Test filesystem 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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| 
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| static void setup(void)
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| {
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| 	check_syncfs();
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| }
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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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| 	.skip_filesystems = (const char*[]) {
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| 		"tmpfs",
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| 		NULL
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| 	},
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| 	.mntpoint = MNTPOINT,
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| 	.setup = setup,
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| 	.test_all = verify_syncfs,
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| };
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