| 1 | /*␊ |
| 2 | * Copyright (c) 2000-2008 Apple, Inc. All rights reserved.␊ |
| 3 | *␊ |
| 4 | * @APPLE_OSREFERENCE_LICENSE_HEADER_START@␊ |
| 5 | * ␊ |
| 6 | * This file contains Original Code and/or Modifications of Original Code␊ |
| 7 | * as defined in and that are subject to the Apple Public Source License␊ |
| 8 | * Version 2.0 (the 'License'). You may not use this file except in␊ |
| 9 | * compliance with the License. The rights granted to you under the License␊ |
| 10 | * may not be used to create, or enable the creation or redistribution of,␊ |
| 11 | * unlawful or unlicensed copies of an Apple operating system, or to␊ |
| 12 | * circumvent, violate, or enable the circumvention or violation of, any␊ |
| 13 | * terms of an Apple operating system software license agreement.␊ |
| 14 | * ␊ |
| 15 | * Please obtain a copy of the License at␊ |
| 16 | * http://www.opensource.apple.com/apsl/ and read it before using this file.␊ |
| 17 | * ␊ |
| 18 | * The Original Code and all software distributed under the License are␊ |
| 19 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER␊ |
| 20 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,␊ |
| 21 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,␊ |
| 22 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.␊ |
| 23 | * Please see the License for the specific language governing rights and␊ |
| 24 | * limitations under the License.␊ |
| 25 | * ␊ |
| 26 | * @APPLE_OSREFERENCE_LICENSE_HEADER_END@␊ |
| 27 | */␊ |
| 28 | /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */␊ |
| 29 | ␊ |
| 30 | /*-␊ |
| 31 | * Copyright (c) 1991, 1993, 1994␊ |
| 32 | *␉The Regents of the University of California. All rights reserved.␊ |
| 33 | *␊ |
| 34 | * Redistribution and use in source and binary forms, with or without␊ |
| 35 | * modification, are permitted provided that the following conditions␊ |
| 36 | * are met:␊ |
| 37 | * 1. Redistributions of source code must retain the above copyright␊ |
| 38 | * notice, this list of conditions and the following disclaimer.␊ |
| 39 | * 2. Redistributions in binary form must reproduce the above copyright␊ |
| 40 | * notice, this list of conditions and the following disclaimer in the␊ |
| 41 | * documentation and/or other materials provided with the distribution.␊ |
| 42 | * 3. All advertising materials mentioning features or use of this software␊ |
| 43 | * must display the following acknowledgement:␊ |
| 44 | *␉This product includes software developed by the University of␊ |
| 45 | *␉California, Berkeley and its contributors.␊ |
| 46 | * 4. Neither the name of the University nor the names of its contributors␊ |
| 47 | * may be used to endorse or promote products derived from this software␊ |
| 48 | * without specific prior written permission.␊ |
| 49 | *␊ |
| 50 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND␊ |
| 51 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE␊ |
| 52 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE␊ |
| 53 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE␊ |
| 54 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL␊ |
| 55 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS␊ |
| 56 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)␊ |
| 57 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT␊ |
| 58 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY␊ |
| 59 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF␊ |
| 60 | * SUCH DAMAGE.␊ |
| 61 | *␊ |
| 62 | *␉@(#)ffs_extern.h␉8.6 (Berkeley) 3/30/95␊ |
| 63 | */␊ |
| 64 | #ifndef __UFS_FFS_FFS_EXTERN_H__␊ |
| 65 | #define __UFS_FFS_FFS_EXTERN_H__␊ |
| 66 | ␊ |
| 67 | #include <sys/appleapiopts.h>␊ |
| 68 | ␊ |
| 69 | #ifdef __APPLE_API_UNSTABLE␊ |
| 70 | /*␊ |
| 71 | * Sysctl values for the fast filesystem.␊ |
| 72 | */␊ |
| 73 | #define FFS_CLUSTERREAD␉␉1␉/* cluster reading enabled */␊ |
| 74 | #define FFS_CLUSTERWRITE␉2␉/* cluster writing enabled */␊ |
| 75 | #define FFS_REALLOCBLKS␉␉3␉/* block reallocation enabled */␊ |
| 76 | #define FFS_ASYNCFREE␉␉4␉/* asynchronous block freeing enabled */␊ |
| 77 | #define␉FFS_MAXID␉␉5␉/* number of valid ffs ids */␊ |
| 78 | ␊ |
| 79 | #define FFS_NAMES { \␊ |
| 80 | ␉{ 0, 0 }, \␊ |
| 81 | ␉{ "doclusterread", CTLTYPE_INT }, \␊ |
| 82 | ␉{ "doclusterwrite", CTLTYPE_INT }, \␊ |
| 83 | ␉{ "doreallocblks", CTLTYPE_INT }, \␊ |
| 84 | ␉{ "doasyncfree", CTLTYPE_INT }, \␊ |
| 85 | }␊ |
| 86 | #endif /* __APPLE_API_UNSTABLE */␊ |
| 87 | ␊ |
| 88 | struct buf;␊ |
| 89 | struct fs;␊ |
| 90 | struct inode;␊ |
| 91 | struct mount;␊ |
| 92 | struct nameidata;␊ |
| 93 | struct proc;␊ |
| 94 | struct vfsstatfs;␊ |
| 95 | struct timeval;␊ |
| 96 | #ifndef _KAUTH_CRED_T␊ |
| 97 | #define␉_KAUTH_CRED_T␊ |
| 98 | struct ucred;␊ |
| 99 | typedef struct ucred *kauth_cred_t;␊ |
| 100 | #endif␉/* !_KAUTH_CRED_T */␊ |
| 101 | struct uio;␊ |
| 102 | struct vnode;␊ |
| 103 | struct mbuf;␊ |
| 104 | struct vfsconf;␊ |
| 105 | ␊ |
| 106 | #ifdef __APPLE_API_PRIVATE␊ |
| 107 | __BEGIN_DECLS␊ |
| 108 | int␉ffs_fsync_internal(vnode_t, int);␊ |
| 109 | ␊ |
| 110 | int␉ffs_blkatoff(vnode_t, off_t, char **, buf_t *);␊ |
| 111 | ␊ |
| 112 | int␉ffs_alloc(struct inode *,␊ |
| 113 | ␉ ufs_daddr_t, ufs_daddr_t, int, kauth_cred_t, ufs_daddr_t *);␊ |
| 114 | int␉ffs_balloc(struct inode *,␊ |
| 115 | ␉ ufs_daddr_t, int, kauth_cred_t, struct buf **, int, int *);␊ |
| 116 | int ffs_blkalloc(struct inode *ip, ufs_daddr_t lbn,int size,␊ |
| 117 | ␉kauth_cred_t cred, int flags);␊ |
| 118 | void␉ffs_blkfree(struct inode *, ufs_daddr_t, int32_t);␊ |
| 119 | ufs_daddr_t ffs_blkpref(struct inode *, ufs_daddr_t, int, ufs_daddr_t *);␊ |
| 120 | void␉ffs_clrblock(struct fs *, u_char *, ufs_daddr_t);␊ |
| 121 | int␉ffs_fhtovp(struct mount *, int, unsigned char *, struct vnode **, vfs_context_t);␊ |
| 122 | void␉ffs_fragacct(struct fs *, int, int32_t [], int);␊ |
| 123 | int␉ffs_fsync(struct vnop_fsync_args *);␊ |
| 124 | int␉ffs_init(struct vfsconf *);␊ |
| 125 | int␉ffs_isblock(struct fs *, u_char *, ufs_daddr_t);␊ |
| 126 | int␉ffs_mount(struct mount *, vnode_t , user_addr_t, vfs_context_t);␊ |
| 127 | int␉ffs_mountfs(struct vnode *, struct mount *, vfs_context_t);␊ |
| 128 | int␉ffs_mountroot(mount_t, vnode_t, vfs_context_t);␊ |
| 129 | int␉ffs_read(struct vnop_read_args *);␊ |
| 130 | int␉ffs_realloccg(struct inode *,␊ |
| 131 | ␉ ufs_daddr_t, ufs_daddr_t, int, int, kauth_cred_t, struct buf **);␊ |
| 132 | int␉ffs_reclaim(struct vnop_reclaim_args *);␊ |
| 133 | void␉ffs_setblock(struct fs *, u_char *, ufs_daddr_t);␊ |
| 134 | int␉ffs_vfs_getattr(struct mount *, struct vfs_attr *, vfs_context_t);␊ |
| 135 | int␉ffs_vfs_setattr(struct mount *, struct vfs_attr *, vfs_context_t);␊ |
| 136 | int␉ffs_sync(struct mount *, int, vfs_context_t);␊ |
| 137 | int␉ffs_sysctl(int *, u_int, user_addr_t, size_t *, user_addr_t, size_t, vfs_context_t);␊ |
| 138 | int␉ffs_unmount(struct mount *, int, vfs_context_t);␊ |
| 139 | int␉ffs_update(struct vnode *, struct timeval *, struct timeval *, int);␊ |
| 140 | int␉ffs_valloc(vnode_t dvp, mode_t mode, kauth_cred_t cred, vnode_t *vpp);␊ |
| 141 | int␉ffs_vfree(struct vnode *vp, ino_t ino, int mode);␊ |
| 142 | int␉ffs_vget(struct mount *, ino64_t, struct vnode **, vfs_context_t);␊ |
| 143 | int␉ffs_vptofh(struct vnode *, int *, unsigned char *, vfs_context_t);␊ |
| 144 | int␉ffs_write(struct vnop_write_args *);␊ |
| 145 | int ffs_pagein(struct vnop_pagein_args *);␊ |
| 146 | int ffs_pageout(struct vnop_pageout_args *);␊ |
| 147 | int ffs_blktooff(struct vnop_blktooff_args *);␊ |
| 148 | int ffs_offtoblk(struct vnop_offtoblk_args *);␊ |
| 149 | ␊ |
| 150 | __END_DECLS␊ |
| 151 | ␊ |
| 152 | extern int (**ffs_vnodeop_p)(void *);␊ |
| 153 | extern int (**ffs_specop_p)(void *);␊ |
| 154 | #if FIFO␊ |
| 155 | extern int (**ffs_fifoop_p)(void *);␊ |
| 156 | #define FFS_FIFOOPS ffs_fifoop_p␊ |
| 157 | #else␊ |
| 158 | #define FFS_FIFOOPS NULL␊ |
| 159 | #endif␊ |
| 160 | ␊ |
| 161 | #endif /* __APPLE_API_PRIVATE */␊ |
| 162 | #endif /* __UFS_FFS_FFS_EXTERN_H__ */␊ |
| 163 | |
