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1 | 13 | up20180614 | /* $NetBSD: statvfs.h,v 1.18 2013/04/05 17:34:27 christos Exp $ */
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2 | |||
3 | /*-
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4 | * Copyright (c) 2004 The NetBSD Foundation, Inc.
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5 | * All rights reserved.
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6 | *
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7 | * This code is derived from software contributed to The NetBSD Foundation
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8 | * by Christos Zoulas.
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9 | *
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10 | * Redistribution and use in source and binary forms, with or without
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11 | * modification, are permitted provided that the following conditions
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12 | * are met:
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13 | * 1. Redistributions of source code must retain the above copyright
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14 | * notice, this list of conditions and the following disclaimer.
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15 | * 2. Redistributions in binary form must reproduce the above copyright
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16 | * notice, this list of conditions and the following disclaimer in the
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17 | * documentation and/or other materials provided with the distribution.
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18 | *
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19 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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20 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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21 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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22 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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23 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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24 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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25 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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26 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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27 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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28 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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29 | * POSSIBILITY OF SUCH DAMAGE.
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30 | */
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31 | |||
32 | #ifndef _SYS_STATVFS_H_
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33 | #define _SYS_STATVFS_H_
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34 | |||
35 | #include <sys/cdefs.h> |
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36 | #include <sys/featuretest.h> |
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37 | #include <sys/stdint.h> |
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38 | #include <machine/ansi.h> |
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39 | #include <sys/ansi.h> |
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40 | #include <sys/fstypes.h> |
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41 | |||
42 | #define _VFS_NAMELEN 32 |
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43 | #define _VFS_MNAMELEN 1024 |
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44 | |||
45 | #ifndef fsblkcnt_t
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46 | typedef __fsblkcnt_t fsblkcnt_t; /* fs block count (statvfs) */ |
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47 | #define fsblkcnt_t __fsblkcnt_t
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48 | #endif
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49 | |||
50 | #ifndef fsfilcnt_t
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51 | typedef __fsfilcnt_t fsfilcnt_t; /* fs file count */ |
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52 | #define fsfilcnt_t __fsfilcnt_t
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53 | #endif
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54 | |||
55 | #ifndef uid_t
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56 | typedef __uid_t uid_t; /* user id */ |
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57 | #define uid_t __uid_t
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58 | #endif
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59 | |||
60 | #ifdef _BSD_SIZE_T_
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61 | typedef _BSD_SIZE_T_ size_t;
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62 | #define _SIZE_T
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63 | #undef _BSD_SIZE_T_
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64 | #endif
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65 | |||
66 | struct statvfs {
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67 | unsigned long f_flag; /* copy of mount exported flags */ |
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68 | unsigned long f_bsize; /* file system block size */ |
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69 | unsigned long f_frsize; /* fundamental file system block size */ |
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70 | unsigned long f_iosize; /* optimal file system block size */ |
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71 | |||
72 | /* The following are in units of f_frsize */
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73 | fsblkcnt_t f_blocks; /* number of blocks in file system, */
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74 | fsblkcnt_t f_bfree; /* free blocks avail in file system */
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75 | fsblkcnt_t f_bavail; /* free blocks avail to non-root */
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76 | fsblkcnt_t f_bresvd; /* blocks reserved for root */
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77 | |||
78 | fsfilcnt_t f_files; /* total file nodes in file system */
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79 | fsfilcnt_t f_ffree; /* free file nodes in file system */
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80 | fsfilcnt_t f_favail; /* free file nodes avail to non-root */
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81 | fsfilcnt_t f_fresvd; /* file nodes reserved for root */
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82 | |||
83 | uint64_t f_syncreads; /* count of sync reads since mount */
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84 | uint64_t f_syncwrites; /* count of sync writes since mount */
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85 | |||
86 | uint64_t f_asyncreads; /* count of async reads since mount */
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87 | uint64_t f_asyncwrites; /* count of async writes since mount */
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88 | |||
89 | fsid_t f_fsidx; /* NetBSD compatible fsid */
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90 | unsigned long f_fsid; /* Posix compatible fsid */ |
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91 | unsigned long f_namemax; /* maximum filename length */ |
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92 | uid_t f_owner; /* user that mounted the file system */
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93 | |||
94 | uint32_t f_spare[4]; /* spare space */ |
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95 | |||
96 | char f_fstypename[_VFS_NAMELEN]; /* fs type name */ |
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97 | char f_mntonname[_VFS_MNAMELEN]; /* directory on which mounted */ |
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98 | char f_mntfromname[_VFS_MNAMELEN]; /* mounted file system */ |
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99 | |||
100 | }; |
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101 | |||
102 | #if defined(_NETBSD_SOURCE) && !defined(_POSIX_SOURCE) && \
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103 | !defined(_XOPEN_SOURCE) |
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104 | #define VFS_NAMELEN _VFS_NAMELEN
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105 | #define VFS_MNAMELEN _VFS_MNAMELEN
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106 | #endif
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107 | |||
108 | #define ST_RDONLY MNT_RDONLY
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109 | #define ST_SYNCHRONOUS MNT_SYNCHRONOUS
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110 | #define ST_NOEXEC MNT_NOEXEC
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111 | #define ST_NOSUID MNT_NOSUID
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112 | #define ST_NODEV MNT_NODEV
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113 | #define ST_UNION MNT_UNION
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114 | #define ST_ASYNC MNT_ASYNC
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115 | #define ST_NOCOREDUMP MNT_NOCOREDUMP
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116 | #define ST_RELATIME MNT_RELATIME
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117 | #define ST_IGNORE MNT_IGNORE
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118 | #define ST_NOATIME MNT_NOATIME
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119 | #define ST_SYMPERM MNT_SYMPERM
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120 | #define ST_NODEVMTIME MNT_NODEVMTIME
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121 | #define ST_SOFTDEP MNT_SOFTDEP
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122 | #define ST_LOG MNT_LOG
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123 | #define ST_EXTATTR MNT_EXTATTR
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124 | |||
125 | #define ST_EXRDONLY MNT_EXRDONLY
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126 | #define ST_EXPORTED MNT_EXPORTED
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127 | #define ST_DEFEXPORTED MNT_DEFEXPORTED
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128 | #define ST_EXPORTANON MNT_EXPORTANON
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129 | #define ST_EXKERB MNT_EXKERB
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130 | #define ST_EXNORESPORT MNT_EXNORESPORT
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131 | #define ST_EXPUBLIC MNT_EXPUBLIC
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132 | |||
133 | #define ST_LOCAL MNT_LOCAL
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134 | #define ST_QUOTA MNT_QUOTA
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135 | #define ST_ROOTFS MNT_ROOTFS
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136 | |||
137 | |||
138 | #define ST_WAIT MNT_WAIT
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139 | #define ST_NOWAIT MNT_NOWAIT
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140 | |||
141 | #if defined(__minix)
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142 | #define ST_NOTRUNC __MNT_UNUSED1
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143 | #endif /* defined(__minix) */ |
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144 | |||
145 | #if defined(_KERNEL) || defined(_STANDALONE)
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146 | struct mount;
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147 | struct lwp;
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148 | |||
149 | int set_statvfs_info(const char *, int, const char *, int, |
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150 | const char *, struct mount *, struct lwp *); |
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151 | void copy_statvfs_info(struct statvfs *, const struct mount *); |
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152 | int dostatvfs(struct mount *, struct statvfs *, struct lwp *, int, int); |
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153 | #else
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154 | __BEGIN_DECLS |
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155 | int statvfs(const char *__restrict, struct statvfs *__restrict); |
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156 | int fstatvfs(int, struct statvfs *); |
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157 | int getvfsstat(struct statvfs *, size_t, int); |
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158 | #ifndef __LIBC12_SOURCE__
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159 | int getmntinfo(struct statvfs **, int) __RENAME(__getmntinfo13); |
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160 | #endif /* __LIBC12_SOURCE__ */ |
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161 | #if defined(_NETBSD_SOURCE)
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162 | #ifndef __LIBC12_SOURCE__
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163 | int fhstatvfs(const void *, size_t, struct statvfs *) |
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164 | __RENAME(__fhstatvfs40); |
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165 | #endif
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166 | |||
167 | int statvfs1(const char *__restrict, struct statvfs *__restrict, int); |
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168 | int fstatvfs1(int, struct statvfs *, int); |
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169 | #ifndef __LIBC12_SOURCE__
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170 | int fhstatvfs1(const void *, size_t, struct statvfs *, int) |
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171 | __RENAME(__fhstatvfs140); |
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172 | #endif
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173 | #endif /* _NETBSD_SOURCE */ |
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174 | __END_DECLS |
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175 | #endif /* _KERNEL || _STANDALONE */ |
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176 | |||
177 | #if defined(_KERNEL)
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178 | #include <sys/kmem.h> |
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179 | #define STATVFSBUF_GET() kmem_alloc(sizeof(struct statvfs), KM_SLEEP) |
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180 | #define STATVFSBUF_PUT(sb) kmem_free(sb, sizeof(struct statvfs)) |
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181 | #endif /* defined(_KERNEL) */ |
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182 | |||
183 | #endif /* !_SYS_STATVFS_H_ */ |