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1  // SPDX-License-Identifier: GPL-2.0-or-later
2  /*
3   * Copyright (c) International Business Machines  Corp., 2008
4   */
5  
6  #ifndef LAPI_SYNC_FILE_RANGE_H__
7  #define LAPI_SYNC_FILE_RANGE_H__
8  
9  #include <sys/types.h>
10  #include "config.h"
11  #include "lapi/syscalls.h"
12  #include "lapi/abisize.h"
13  
14  #if !defined(HAVE_SYNC_FILE_RANGE)
15  
16  #ifdef TST_TEST_H__
17  # define TST_SYSCALL tst_syscall
18  #else
19  # define TST_SYSCALL ltp_syscall
20  #endif
21  
22  /*****************************************************************************
23   * Wraper function to call sync_file_range system call
24   ******************************************************************************/
sync_file_range(int fd,off64_t offset,off64_t nbytes,unsigned int flags)25  static inline long sync_file_range(int fd, off64_t offset, off64_t nbytes,
26  				   unsigned int flags)
27  {
28  #if (defined(__arm__) || defined(__powerpc__) || defined(__powerpc64__))
29  # ifdef TST_ABI32
30  #  if __BYTE_ORDER == __BIG_ENDIAN
31  	return TST_SYSCALL(__NR_sync_file_range2, fd, flags,
32  		(int)(offset >> 32), (int)offset, (int)(nbytes >> 32),
33  		(int)nbytes);
34  #  elif __BYTE_ORDER == __LITTLE_ENDIAN
35  	return TST_SYSCALL(__NR_sync_file_range2, fd, flags, (int)offset,
36  		       (int)(offset >> 32), nbytes, (int)(nbytes >> 32));
37  #  endif
38  # else
39  	return TST_SYSCALL(__NR_sync_file_range2, fd, flags, offset, nbytes);
40  # endif
41  #elif (defined(__s390__) || defined(__s390x__)) && defined(TST_ABI32)
42  	return TST_SYSCALL(__NR_sync_file_range, fd, (int)(offset >> 32),
43  		(int)offset, (int)(nbytes >> 32), (int)nbytes, flags);
44  #elif defined(__mips__) && defined(TST_ABI32)
45  # if __BYTE_ORDER == __BIG_ENDIAN
46  	return TST_SYSCALL(__NR_sync_file_range, fd, 0, (int)(offset >> 32),
47  		(int)offset, (int)(nbytes >> 32), (int)nbytes, flags);
48  # elif __BYTE_ORDER == __LITTLE_ENDIAN
49  	return TST_SYSCALL(__NR_sync_file_range, fd, 0, (int)offset,
50  		(int)(offset >> 32), (int)nbytes, (int)(nbytes >> 32), flags);
51  # endif
52  #else
53  	return TST_SYSCALL(__NR_sync_file_range, fd, offset, nbytes, flags);
54  #endif
55  }
56  #endif
57  
58  #endif /* LAPI_SYNC_FILE_RANGE_H__ */
59