1/*
2 * Copyright (c) International Business Machines  Corp., 2007
3 * Copyright (c) 2014 Fujitsu Ltd.
4 *
5 * This program is free software;  you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13 * GNU Library General Public License for more details.
14 *
15 */
16
17#ifndef FALLOCATE_H
18#define FALLOCATE_H
19
20#include <sys/types.h>
21#include <endian.h>
22#include "config.h"
23#include "lapi/abisize.h"
24#include "lapi/seek.h"
25#include "lapi/syscalls.h"
26
27#ifndef FALLOC_FL_KEEP_SIZE
28# define FALLOC_FL_KEEP_SIZE 0x01
29#endif
30
31#ifndef FALLOC_FL_PUNCH_HOLE
32# define FALLOC_FL_PUNCH_HOLE 0x02
33#endif
34
35#ifndef FALLOC_FL_COLLAPSE_RANGE
36# define FALLOC_FL_COLLAPSE_RANGE 0x08
37#endif
38
39#ifndef FALLOC_FL_ZERO_RANGE
40# define FALLOC_FL_ZERO_RANGE 0x10
41#endif
42
43#ifndef FALLOC_FL_INSERT_RANGE
44# define FALLOC_FL_INSERT_RANGE 0x20
45#endif
46
47#if !defined(HAVE_FALLOCATE)
48
49# ifdef __TEST_H__
50#  define TST_SYSCALL_WRAPPER ltp_syscall
51# else
52#  define TST_SYSCALL_WRAPPER tst_syscall
53# endif /* __TEST_H__ */
54
55static inline long fallocate(int fd, int mode, loff_t offset, loff_t len)
56{
57	/* Deal with 32bit ABIs that have 64bit syscalls. */
58# if LTP_USE_64_ABI
59	return TST_SYSCALL_WRAPPER(__NR_fallocate, fd, mode, offset, len);
60# else
61	return (long)TST_SYSCALL_WRAPPER(__NR_fallocate, fd, mode,
62				 __LONG_LONG_PAIR((off_t) (offset >> 32),
63						  (off_t) offset),
64				 __LONG_LONG_PAIR((off_t) (len >> 32),
65						  (off_t) len));
66# endif
67}
68#endif
69
70#endif /* FALLOCATE_H */
71