1/*-
2 * Copyright (c) 2010 Isilon Systems, Inc.
3 * Copyright (c) 2010 iX Systems, Inc.
4 * Copyright (c) 2010 Panasas, Inc.
5 * Copyright (c) 2013-2018 Mellanox Technologies, Ltd.
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice unmodified, this list of conditions, and the following
13 *    disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 *    notice, this list of conditions and the following disclaimer in the
16 *    documentation and/or other materials provided with the distribution.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 *
29 * $FreeBSD$
30 */
31#ifndef	_LINUX_SHMEM_FS_H_
32#define	_LINUX_SHMEM_FS_H_
33
34/* Shared memory support */
35unsigned long linux_invalidate_mapping_pages(vm_object_t, pgoff_t, pgoff_t);
36struct page *linux_shmem_read_mapping_page_gfp(vm_object_t, int, gfp_t);
37struct linux_file *linux_shmem_file_setup(const char *, loff_t, unsigned long);
38void linux_shmem_truncate_range(vm_object_t, loff_t, loff_t);
39
40#define	invalidate_mapping_pages(...) \
41  linux_invalidate_mapping_pages(__VA_ARGS__)
42
43#define	shmem_read_mapping_page(...) \
44  linux_shmem_read_mapping_page_gfp(__VA_ARGS__, 0)
45
46#define	shmem_read_mapping_page_gfp(...) \
47  linux_shmem_read_mapping_page_gfp(__VA_ARGS__)
48
49#define	shmem_file_setup(...) \
50  linux_shmem_file_setup(__VA_ARGS__)
51
52#define	shmem_truncate_range(...) \
53  linux_shmem_truncate_range(__VA_ARGS__)
54
55#endif /* _LINUX_SHMEM_FS_H_ */
56