1/*
2 * Copyright 2002-2016, Haiku Inc. All Rights Reserved.
3 * Distributed under the terms of the MIT License.
4 */
5#ifndef _FS_INFO_H
6#define	_FS_INFO_H
7
8#include <OS.h>
9
10
11/* fs_info.flags */
12#define	B_FS_IS_READONLY		0x00000001
13#define	B_FS_IS_REMOVABLE		0x00000002
14#define	B_FS_IS_PERSISTENT		0x00000004
15#define	B_FS_IS_SHARED			0x00000008
16#define	B_FS_HAS_MIME			0x00010000
17#define	B_FS_HAS_ATTR			0x00020000
18#define	B_FS_HAS_QUERY			0x00040000
19// those additions are preliminary and may be removed
20#define B_FS_HAS_SELF_HEALING_LINKS		0x00080000
21#define B_FS_HAS_ALIASES				0x00100000
22#define B_FS_SUPPORTS_NODE_MONITORING	0x00200000
23#define B_FS_SUPPORTS_MONITOR_CHILDREN	0x00400000
24
25typedef struct fs_info {
26	dev_t	dev;								/* volume dev_t */
27	ino_t	root;								/* root ino_t */
28	uint32	flags;								/* flags (see above) */
29	off_t	block_size;							/* fundamental block size */
30	off_t	io_size;							/* optimal i/o size */
31	off_t	total_blocks;						/* total number of blocks */
32	off_t	free_blocks;						/* number of free blocks */
33	off_t	total_nodes;						/* total number of nodes */
34	off_t	free_nodes;							/* number of free nodes */
35	char	device_name[128];					/* device holding fs */
36	char	volume_name[B_FILE_NAME_LENGTH];	/* volume name */
37	char	fsh_name[B_OS_NAME_LENGTH];			/* name of fs handler */
38} fs_info;
39
40
41#ifdef  __cplusplus
42extern "C" {
43#endif
44
45extern dev_t	dev_for_path(const char *path);
46extern dev_t	next_dev(int32 *pos);
47extern int		fs_stat_dev(dev_t dev, fs_info *info);
48
49#ifdef  __cplusplus
50}
51#endif
52
53#endif	/* _FS_INFO_H */
54