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1.1 root 1: /*
2: * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
3: *
4: * @APPLE_LICENSE_HEADER_START@
5: *
6: * The contents of this file constitute Original Code as defined in and
7: * are subject to the Apple Public Source License Version 1.1 (the
8: * "License"). You may not use this file except in compliance with the
9: * License. Please obtain a copy of the License at
10: * http://www.apple.com/publicsource and read it before using this file.
11: *
12: * This Original Code and all software distributed under the License are
13: * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
14: * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
15: * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
16: * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
17: * License for the specific language governing rights and limitations
18: * under the License.
19: *
20: * @APPLE_LICENSE_HEADER_END@
21: */
22: /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
23:
24: /*-
25: * Copyright (c) 1991, 1993, 1994
26: * The Regents of the University of California. All rights reserved.
27: *
28: * Redistribution and use in source and binary forms, with or without
29: * modification, are permitted provided that the following conditions
30: * are met:
31: * 1. Redistributions of source code must retain the above copyright
32: * notice, this list of conditions and the following disclaimer.
33: * 2. Redistributions in binary form must reproduce the above copyright
34: * notice, this list of conditions and the following disclaimer in the
35: * documentation and/or other materials provided with the distribution.
36: * 3. All advertising materials mentioning features or use of this software
37: * must display the following acknowledgement:
38: * This product includes software developed by the University of
39: * California, Berkeley and its contributors.
40: * 4. Neither the name of the University nor the names of its contributors
41: * may be used to endorse or promote products derived from this software
42: * without specific prior written permission.
43: *
44: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
45: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
46: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
47: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
48: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
49: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
50: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
51: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
52: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
53: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
54: * SUCH DAMAGE.
55: *
56: * @(#)ffs_extern.h 8.6 (Berkeley) 3/30/95
57: */
58:
59: /*
60: * Sysctl values for the fast filesystem.
61: */
62: #define FFS_CLUSTERREAD 1 /* cluster reading enabled */
63: #define FFS_CLUSTERWRITE 2 /* cluster writing enabled */
64: #define FFS_REALLOCBLKS 3 /* block reallocation enabled */
65: #define FFS_ASYNCFREE 4 /* asynchronous block freeing enabled */
66: #define FFS_MAXID 5 /* number of valid ffs ids */
67:
68: #define FFS_NAMES { \
69: { 0, 0 }, \
70: { "doclusterread", CTLTYPE_INT }, \
71: { "doclusterwrite", CTLTYPE_INT }, \
72: { "doreallocblks", CTLTYPE_INT }, \
73: { "doasyncfree", CTLTYPE_INT }, \
74: }
75:
76: struct buf;
77: struct fid;
78: struct fs;
79: struct inode;
80: struct mount;
81: struct nameidata;
82: struct proc;
83: struct statfs;
84: struct timeval;
85: struct ucred;
86: struct uio;
87: struct vnode;
88: struct mbuf;
89: struct vfsconf;
90:
91: __BEGIN_DECLS
92: int ffs_alloc __P((struct inode *,
93: ufs_daddr_t, ufs_daddr_t, int, struct ucred *, ufs_daddr_t *));
94: int ffs_balloc __P((struct inode *,
95: ufs_daddr_t, int, struct ucred *, struct buf **, int));
96: int ffs_blkatoff __P((struct vop_blkatoff_args *));
97: int ffs_blkfree __P((struct inode *, ufs_daddr_t, long));
98: ufs_daddr_t ffs_blkpref __P((struct inode *, ufs_daddr_t, int, ufs_daddr_t *));
99: int ffs_bmap __P((struct vop_bmap_args *));
100: void ffs_clrblock __P((struct fs *, u_char *, ufs_daddr_t));
101: int ffs_fhtovp __P((struct mount *, struct fid *, struct mbuf *,
102: struct vnode **, int *, struct ucred **));
103: void ffs_fragacct __P((struct fs *, int, int32_t [], int));
104: int ffs_fsync __P((struct vop_fsync_args *));
105: int ffs_init __P((struct vfsconf *));
106: int ffs_isblock __P((struct fs *, u_char *, ufs_daddr_t));
107: int ffs_mount __P((struct mount *,
108: char *, caddr_t, struct nameidata *, struct proc *));
109: int ffs_mountfs __P((struct vnode *, struct mount *, struct proc *));
110: int ffs_mountroot __P((void));
111: int ffs_read __P((struct vop_read_args *));
112: int ffs_reallocblks __P((struct vop_reallocblks_args *));
113: int ffs_realloccg __P((struct inode *,
114: ufs_daddr_t, ufs_daddr_t, int, int, struct ucred *, struct buf **));
115: int ffs_reclaim __P((struct vop_reclaim_args *));
116: void ffs_setblock __P((struct fs *, u_char *, ufs_daddr_t));
117: int ffs_statfs __P((struct mount *, struct statfs *, struct proc *));
118: int ffs_sync __P((struct mount *, int, struct ucred *, struct proc *));
119: int ffs_sysctl __P((int *, u_int, void *, size_t *, void *, size_t,
120: struct proc *));
121: int ffs_truncate __P((struct vop_truncate_args *));
122: int ffs_unmount __P((struct mount *, int, struct proc *));
123: int ffs_update __P((struct vop_update_args *));
124: int ffs_valloc __P((struct vop_valloc_args *));
125: int ffs_vfree __P((struct vop_vfree_args *));
126: int ffs_vget __P((struct mount *, ino_t, struct vnode **));
127: int ffs_vptofh __P((struct vnode *, struct fid *));
128: int ffs_write __P((struct vop_write_args *));
129:
130: int bwrite(); /* FFS needs a bwrite routine. XXX */
131:
132: #if DIAGNOSTIC
133: void ffs_checkoverlap __P((struct buf *, struct inode *));
134: #endif
135: __END_DECLS
136:
137: extern int (**ffs_vnodeop_p)();
138: extern int (**ffs_specop_p)();
139: #if FIFO
140: extern int (**ffs_fifoop_p)();
141: #define FFS_FIFOOPS ffs_fifoop_p
142: #else
143: #define FFS_FIFOOPS NULL
144: #endif
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