2 * Copyright (c) 2005 The DragonFly Project. All rights reserved.
4 * This code is derived from software contributed to The DragonFly Project
5 * by Jeroen Ruigrok van der Werven <asmodai@tendra.org>
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in
15 * the documentation and/or other materials provided with the
17 * 3. Neither the name of The DragonFly Project nor the names of its
18 * contributors may be used to endorse or promote products derived
19 * from this software without specific, prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
24 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
25 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
26 * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
27 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
28 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
29 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
30 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
31 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 #ifndef _SYS_STATVFS_H_
36 #define _SYS_STATVFS_H_
38 #include <machine/stdint.h>
41 #ifndef _FSBLKCNT_T_DECLARED
42 typedef __uint64_t fsblkcnt_t
; /* filesystem block count */
43 #define _FSBLKCNT_T_DECLARED
45 #ifndef _FSFILCNT_T_DECLARED
46 typedef __uint64_t fsfilcnt_t
; /* filesystem file count */
47 #define _FSFILCNT_T_DECLARED
49 #ifndef _UID_T_DECLARED
50 typedef __uint32_t uid_t
; /* user id */
51 #define _UID_T_DECLARED
60 * The POSIX 1003.1 standard uses free and available nomenclature to mean the
62 * - free means all space, including privileged processes,
63 * - avail means all space available to unprivileged processes.
67 unsigned long f_bsize
; /* file system block size */
68 unsigned long f_frsize
; /* fundamental file system block size */
69 fsblkcnt_t f_blocks
; /* total number of blocks on fs */
70 fsblkcnt_t f_bfree
; /* total number of free blocks */
71 fsblkcnt_t f_bavail
; /* total number of available blocks */
72 fsfilcnt_t f_files
; /* total number of file serial num */
73 fsfilcnt_t f_ffree
; /* total number of free file ser num */
74 fsfilcnt_t f_favail
; /* total number of avail file ser num */
75 unsigned long f_fsid
; /* file system ID */
76 unsigned long f_flag
; /* bit mask of f_flag values */
77 unsigned long f_namemax
; /* maximum filename length */
78 uid_t f_owner
; /* user that mounted the filesystem */
79 unsigned int f_type
; /* filesystem type */
81 __uint64_t f_syncreads
; /* count of sync reads since mount */
82 __uint64_t f_syncwrites
; /* count of sync writes since mount */
84 __uint64_t f_asyncreads
; /* count of async reads since mount */
85 __uint64_t f_asyncwrites
; /* count of async writes since mount */
88 * DragonFly extensions - full uuid FSID and owner
97 #define ST_RDONLY 0x00000001 /* fs is read-only */
98 #define ST_NOSUID 0x00000002 /* ST_ISUID or ST_ISGID not supported */
102 * DragonFly specific flags
104 #define ST_FSID_UUID 0x40000000 /* f_fsid_uuid field is valid */
105 #define ST_OWNER_UUID 0x80000000 /* f_owner_uuid field is valid */
109 int fstatvfs(int, struct statvfs
*);
110 int statvfs(const char * __restrict
, struct statvfs
* __restrict
);
113 int fhstatvfs(const struct fhandle
*, struct statvfs
* __restrict
);
114 int getvfsstat(struct statfs
* __restrict
, struct statvfs
* __restrict
, long, int);
118 #endif /* _SYS_STATVFS_H_ */