xref: /netbsd/sys/fs/nilfs/nilfs_mount.h (revision db751219)
1 /* $NetBSD: nilfs_mount.h,v 1.2 2019/10/16 21:52:22 maya Exp $ */
2 
3 /*
4  * Copyright (c) 2008, 2009 Reinoud Zandijk
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26  *
27  */
28 
29 
30 #ifndef _FS_NILFS_NILFS_MOUNT_H_
31 #define _FS_NILFS_NILFS_MOUNT_H_
32 
33 /*
34  * Arguments to mount NILFS filingsystem.
35  */
36 
37 #define NILFSMNT_VERSION	1
38 struct nilfs_args {
39 	uint32_t	 version;	/* version of this structure         */
40 	char		*fspec;		/* mount specifier                   */
41 	uint32_t	 nilfsmflags;	/* mount options                     */
42 
43 	int32_t		 gmtoff;	/* offset from UTC in seconds        */
44 	int64_t		 cpno;		/* checkpoint number                 */
45 
46 	/* extendable */
47 	uint8_t	 reserved[32];
48 };
49 
50 
51 /* nilfs mount options */
52 
53 #define NILFSMNT_BITS "\20"
54 
55 #endif /* !_FS_NILFS_NILFS_MOUNT_H_ */
56 
57