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/* $NetBSD: statvfs.h,v 1.18 2013/04/05 17:34:27 christos Exp $ */
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/*-
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* Copyright (c) 2004 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Christos Zoulas.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _SYS_STATVFS_H_
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#define _SYS_STATVFS_H_
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#include <sys/cdefs.h> |
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#include <sys/featuretest.h> |
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#include <sys/stdint.h> |
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#include <machine/ansi.h> |
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#include <sys/ansi.h> |
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#include <sys/fstypes.h> |
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#define _VFS_NAMELEN 32 |
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#define _VFS_MNAMELEN 1024 |
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#ifndef fsblkcnt_t
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typedef __fsblkcnt_t fsblkcnt_t; /* fs block count (statvfs) */ |
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#define fsblkcnt_t __fsblkcnt_t
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#endif
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#ifndef fsfilcnt_t
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typedef __fsfilcnt_t fsfilcnt_t; /* fs file count */ |
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#define fsfilcnt_t __fsfilcnt_t
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#endif
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#ifndef uid_t
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typedef __uid_t uid_t; /* user id */ |
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#define uid_t __uid_t
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#endif
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#ifdef _BSD_SIZE_T_
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typedef _BSD_SIZE_T_ size_t;
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#define _SIZE_T
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#undef _BSD_SIZE_T_
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#endif
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struct statvfs {
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unsigned long f_flag; /* copy of mount exported flags */ |
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unsigned long f_bsize; /* file system block size */ |
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unsigned long f_frsize; /* fundamental file system block size */ |
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unsigned long f_iosize; /* optimal file system block size */ |
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/* The following are in units of f_frsize */
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fsblkcnt_t f_blocks; /* number of blocks in file system, */
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fsblkcnt_t f_bfree; /* free blocks avail in file system */
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fsblkcnt_t f_bavail; /* free blocks avail to non-root */
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fsblkcnt_t f_bresvd; /* blocks reserved for root */
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fsfilcnt_t f_files; /* total file nodes in file system */
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fsfilcnt_t f_ffree; /* free file nodes in file system */
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fsfilcnt_t f_favail; /* free file nodes avail to non-root */
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fsfilcnt_t f_fresvd; /* file nodes reserved for root */
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uint64_t f_syncreads; /* count of sync reads since mount */
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uint64_t f_syncwrites; /* count of sync writes since mount */
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uint64_t f_asyncreads; /* count of async reads since mount */
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uint64_t f_asyncwrites; /* count of async writes since mount */
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fsid_t f_fsidx; /* NetBSD compatible fsid */
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unsigned long f_fsid; /* Posix compatible fsid */ |
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unsigned long f_namemax; /* maximum filename length */ |
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uid_t f_owner; /* user that mounted the file system */
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uint32_t f_spare[4]; /* spare space */ |
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char f_fstypename[_VFS_NAMELEN]; /* fs type name */ |
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char f_mntonname[_VFS_MNAMELEN]; /* directory on which mounted */ |
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char f_mntfromname[_VFS_MNAMELEN]; /* mounted file system */ |
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}; |
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#if defined(_NETBSD_SOURCE) && !defined(_POSIX_SOURCE) && \
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!defined(_XOPEN_SOURCE) |
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#define VFS_NAMELEN _VFS_NAMELEN
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#define VFS_MNAMELEN _VFS_MNAMELEN
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#endif
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#define ST_RDONLY MNT_RDONLY
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#define ST_SYNCHRONOUS MNT_SYNCHRONOUS
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#define ST_NOEXEC MNT_NOEXEC
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#define ST_NOSUID MNT_NOSUID
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#define ST_NODEV MNT_NODEV
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#define ST_UNION MNT_UNION
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#define ST_ASYNC MNT_ASYNC
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#define ST_NOCOREDUMP MNT_NOCOREDUMP
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#define ST_RELATIME MNT_RELATIME
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#define ST_IGNORE MNT_IGNORE
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#define ST_NOATIME MNT_NOATIME
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#define ST_SYMPERM MNT_SYMPERM
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#define ST_NODEVMTIME MNT_NODEVMTIME
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#define ST_SOFTDEP MNT_SOFTDEP
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#define ST_LOG MNT_LOG
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#define ST_EXTATTR MNT_EXTATTR
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#define ST_EXRDONLY MNT_EXRDONLY
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#define ST_EXPORTED MNT_EXPORTED
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#define ST_DEFEXPORTED MNT_DEFEXPORTED
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#define ST_EXPORTANON MNT_EXPORTANON
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#define ST_EXKERB MNT_EXKERB
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#define ST_EXNORESPORT MNT_EXNORESPORT
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#define ST_EXPUBLIC MNT_EXPUBLIC
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#define ST_LOCAL MNT_LOCAL
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#define ST_QUOTA MNT_QUOTA
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#define ST_ROOTFS MNT_ROOTFS
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#define ST_WAIT MNT_WAIT
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#define ST_NOWAIT MNT_NOWAIT
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#if defined(__minix)
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#define ST_NOTRUNC __MNT_UNUSED1
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#endif /* defined(__minix) */ |
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#if defined(_KERNEL) || defined(_STANDALONE)
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struct mount;
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struct lwp;
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int set_statvfs_info(const char *, int, const char *, int, |
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const char *, struct mount *, struct lwp *); |
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void copy_statvfs_info(struct statvfs *, const struct mount *); |
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int dostatvfs(struct mount *, struct statvfs *, struct lwp *, int, int); |
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#else
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__BEGIN_DECLS |
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int statvfs(const char *__restrict, struct statvfs *__restrict); |
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int fstatvfs(int, struct statvfs *); |
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int getvfsstat(struct statvfs *, size_t, int); |
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#ifndef __LIBC12_SOURCE__
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int getmntinfo(struct statvfs **, int) __RENAME(__getmntinfo13); |
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#endif /* __LIBC12_SOURCE__ */ |
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#if defined(_NETBSD_SOURCE)
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#ifndef __LIBC12_SOURCE__
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int fhstatvfs(const void *, size_t, struct statvfs *) |
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__RENAME(__fhstatvfs40); |
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#endif
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int statvfs1(const char *__restrict, struct statvfs *__restrict, int); |
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int fstatvfs1(int, struct statvfs *, int); |
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#ifndef __LIBC12_SOURCE__
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int fhstatvfs1(const void *, size_t, struct statvfs *, int) |
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__RENAME(__fhstatvfs140); |
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#endif
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#endif /* _NETBSD_SOURCE */ |
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__END_DECLS |
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#endif /* _KERNEL || _STANDALONE */ |
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#if defined(_KERNEL)
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#include <sys/kmem.h> |
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#define STATVFSBUF_GET() kmem_alloc(sizeof(struct statvfs), KM_SLEEP) |
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#define STATVFSBUF_PUT(sb) kmem_free(sb, sizeof(struct statvfs)) |
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#endif /* defined(_KERNEL) */ |
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#endif /* !_SYS_STATVFS_H_ */ |