1 /* $NetBSD: mount.h,v 1.8 2009/01/11 02:45:50 christos Exp $ */ 2 3 /* 4 * Copyright (c) 1989, 1991, 1993 5 * The Regents of the University of California. 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 * 3. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 * 31 * @(#)mount.h 8.21 (Berkeley) 5/20/95 32 */ 33 34 #ifndef _COMPAT_SYS_MOUNT_H_ 35 #define _COMPAT_SYS_MOUNT_H_ 36 37 #ifdef _KERNEL_OPT 38 #include "opt_compat_43.h" 39 #endif 40 41 #define MFSNAMELEN 16 42 43 struct statfs12 { 44 short f_type; /* type of file system */ 45 u_short f_oflags; /* deprecated copy of mount flags */ 46 long f_bsize; /* fundamental file system block size */ 47 long f_iosize; /* optimal transfer block size */ 48 long f_blocks; /* total data blocks in file system */ 49 long f_bfree; /* free blocks in fs */ 50 long f_bavail; /* free blocks avail to non-superuser */ 51 long f_files; /* total file nodes in file system */ 52 long f_ffree; /* free file nodes in fs */ 53 fsid_t f_fsid; /* file system id */ 54 uid_t f_owner; /* user that mounted the file system */ 55 long f_flags; /* copy of mount flags */ 56 long f_syncwrites; /* count of sync writes since mount */ 57 long f_asyncwrites; /* count of async writes since mount */ 58 long f_spare[1]; /* spare for later */ 59 char f_fstypename[MFSNAMELEN]; /* fs type name */ 60 char f_mntonname[MNAMELEN]; /* directory on which mounted */ 61 char f_mntfromname[MNAMELEN]; /* mounted file system */ 62 }; 63 64 /* 65 * Operations supported on mounted file system. 66 */ 67 #ifdef _KERNEL 68 69 /* 70 * Filesystem configuration information. Not used by NetBSD, but 71 * defined here to provide a compatible sysctl interface to Lite2. 72 */ 73 struct vfsconf { 74 struct vfsops *vfc_vfsops; /* filesystem operations vector */ 75 char vfc_name[MFSNAMELEN]; /* filesystem type name */ 76 int vfc_typenum; /* historic filesystem type number */ 77 int vfc_refcount; /* number mounted of this type */ 78 int vfc_flags; /* permanent flags */ 79 int (*vfc_mountroot)(void); /* if != NULL, routine to mount root */ 80 struct vfsconf *vfc_next; /* next in list */ 81 }; 82 83 /* Old, fixed size filehandle structures (used upto (including) 3.x) */ 84 struct compat_30_fid { 85 unsigned short fid_len; 86 unsigned short fid_reserved; 87 char fid_data[16]; 88 }; 89 struct compat_30_fhandle { 90 fsid_t fh_fsid; 91 struct compat_30_fid fh_fid; 92 }; 93 94 #else 95 96 __BEGIN_DECLS 97 int fstatfs(int, struct statfs12 *); 98 int getfsstat(struct statfs12 *, long, int); 99 int statfs(const char *, struct statfs12 *); 100 int getmntinfo(struct statfs12 **, int); 101 #if defined(_NETBSD_SOURCE) 102 struct compat_30_fhandle; 103 int fhstatfs(const struct compat_30_fhandle *, struct statfs12 *); 104 struct stat13; 105 int fhstat(const struct compat_30_fhandle *, struct stat13 *); 106 struct stat30; 107 int __fhstat30(const struct compat_30_fhandle *, struct stat30 *); 108 int __fhstat40(const void *, size_t, struct stat30 *); 109 struct stat; 110 int __fhstat50(const void *, size_t, struct stat *); 111 #endif /* _NETBSD_SOURCE */ 112 __END_DECLS 113 114 #endif /* _KERNEL */ 115 116 #endif /* !_COMPAT_SYS_MOUNT_H_ */ 117