xref: /aosp_15_r20/external/ltp/testcases/kernel/syscalls/sync_file_range/check_sync_file_range.h (revision 49cdfc7efb34551c7342be41a7384b9c40d7cab7) 
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  * Copyright (c) 2019 Linaro Limited. All rights reserved.
4  * Author: Sumit Garg <[email protected]>
5  */
6 
7 #ifndef CHECK_SYNC_FILE_RANGE_H
8 #define CHECK_SYNC_FILE_RANGE_H
9 
check_sync_file_range(void)10 int check_sync_file_range(void)
11 {
12 	int ret;
13 
14 	ret = sync_file_range(-1, 0, 0, 0);
15 	if (ret == -1 && errno == EINVAL)
16 		return 0;
17 
18 	return 1;
19 }
20 
21 #endif /* CHECK_SYNC_FILE_RANGE_H */
22