1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 * Copyright (c) International Business Machines Corp., 2007
4 * Copyright (c) 2014 Fujitsu Ltd.
5 */
6
7 #ifndef LAPI_FALLOCATE_H__
8 #define LAPI_FALLOCATE_H__
9
10 #include <sys/types.h>
11 #include <endian.h>
12 #include "config.h"
13 #include "lapi/abisize.h"
14 #include "lapi/seek.h"
15 #include "lapi/syscalls.h"
16
17 #ifndef FALLOC_FL_KEEP_SIZE
18 # define FALLOC_FL_KEEP_SIZE 0x01
19 #endif
20
21 #ifndef FALLOC_FL_PUNCH_HOLE
22 # define FALLOC_FL_PUNCH_HOLE 0x02
23 #endif
24
25 #ifndef FALLOC_FL_COLLAPSE_RANGE
26 # define FALLOC_FL_COLLAPSE_RANGE 0x08
27 #endif
28
29 #ifndef FALLOC_FL_ZERO_RANGE
30 # define FALLOC_FL_ZERO_RANGE 0x10
31 #endif
32
33 #ifndef FALLOC_FL_INSERT_RANGE
34 # define FALLOC_FL_INSERT_RANGE 0x20
35 #endif
36
37 #if !defined(HAVE_FALLOCATE)
38
fallocate(int fd,int mode,loff_t offset,loff_t len)39 static inline long fallocate(int fd, int mode, loff_t offset, loff_t len)
40 {
41 /* Deal with 32bit ABIs that have 64bit syscalls. */
42 # if LTP_USE_64_ABI
43 return tst_syscall(__NR_fallocate, fd, mode, offset, len);
44 # else
45 return (long)tst_syscall(__NR_fallocate, fd, mode,
46 __LONG_LONG_PAIR((off_t) (offset >> 32),
47 (off_t) offset),
48 __LONG_LONG_PAIR((off_t) (len >> 32),
49 (off_t) len));
50 # endif
51 }
52 #endif
53
54 #endif /* LAPI_FALLOCATE_H__ */
55