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1.1 root 1: /*
2: * Copyright (c) 1989 The Regents of the University of California.
3: * All rights reserved.
4: *
5: * Redistribution and use in source and binary forms, with or without
6: * modification, are permitted provided that the following conditions
7: * are met:
8: * 1. Redistributions of source code must retain the above copyright
9: * notice, this list of conditions and the following disclaimer.
10: * 2. Redistributions in binary form must reproduce the above copyright
11: * notice, this list of conditions and the following disclaimer in the
12: * documentation and/or other materials provided with the distribution.
13: * 3. All advertising materials mentioning features or use of this software
14: * must display the following acknowledgement:
15: * This product includes software developed by the University of
16: * California, Berkeley and its contributors.
17: * 4. Neither the name of the University nor the names of its contributors
18: * may be used to endorse or promote products derived from this software
19: * without specific prior written permission.
20: *
21: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31: * SUCH DAMAGE.
32: *
1.1.1.2 ! root 33: * from: @(#)mfsnode.h 7.3 (Berkeley) 4/16/91
! 34: * mfsnode.h,v 1.3 1993/05/20 03:53:29 cgd Exp
1.1 root 35: */
36:
1.1.1.2 ! root 37: #ifndef _UFS_MFSNODE_H_
! 38: #define _UFS_MFSNODE_H_
! 39:
1.1 root 40: /*
41: * This structure defines the control data for the memory
42: * based file system.
43: */
44:
45: struct mfsnode {
46: struct vnode *mfs_vnode; /* vnode associated with this mfsnode */
47: caddr_t mfs_baseoff; /* base of file system in memory */
48: long mfs_size; /* size of memory file system */
49: pid_t mfs_pid; /* supporting process pid */
50: struct buf *mfs_buflist; /* list of I/O requests */
51: long mfs_spare[4];
52: };
53:
54: /*
55: * Convert between mfsnode pointers and vnode pointers
56: */
57: #define VTOMFS(vp) ((struct mfsnode *)(vp)->v_data)
58: #define MFSTOV(mfsp) ((mfsp)->mfs_vnode)
59:
60: /*
61: * Prototypes for MFS operations on vnodes.
62: */
63: int mfs_badop();
64: #define mfs_lookup ((int (*) __P(( \
65: struct vnode *vp, \
66: struct nameidata *ndp, \
67: struct proc *p))) mfs_badop)
68: #define mfs_create ((int (*) __P(( \
69: struct nameidata *ndp, \
70: struct vattr *vap, \
71: struct proc *p))) mfs_badop)
72: #define mfs_mknod ((int (*) __P(( \
73: struct nameidata *ndp, \
74: struct vattr *vap, \
75: struct ucred *cred, \
76: struct proc *p))) mfs_badop)
77: int mfs_open __P((
78: struct vnode *vp,
79: int mode,
80: struct ucred *cred,
81: struct proc *p));
82: int mfs_close __P((
83: struct vnode *vp,
84: int fflag,
85: struct ucred *cred,
86: struct proc *p));
87: #define mfs_access ((int (*) __P(( \
88: struct vnode *vp, \
89: int mode, \
90: struct ucred *cred, \
91: struct proc *p))) mfs_badop)
92: #define mfs_getattr ((int (*) __P(( \
93: struct vnode *vp, \
94: struct vattr *vap, \
95: struct ucred *cred, \
96: struct proc *p))) mfs_badop)
97: #define mfs_setattr ((int (*) __P(( \
98: struct vnode *vp, \
99: struct vattr *vap, \
100: struct ucred *cred, \
101: struct proc *p))) mfs_badop)
102: #define mfs_read ((int (*) __P(( \
103: struct vnode *vp, \
104: struct uio *uio, \
105: int ioflag, \
106: struct ucred *cred))) mfs_badop)
107: #define mfs_write ((int (*) __P(( \
108: struct vnode *vp, \
109: struct uio *uio, \
110: int ioflag, \
111: struct ucred *cred))) mfs_badop)
112: int mfs_ioctl __P((
113: struct vnode *vp,
114: int command,
115: caddr_t data,
116: int fflag,
117: struct ucred *cred,
118: struct proc *p));
119: #define mfs_select ((int (*) __P(( \
120: struct vnode *vp, \
121: int which, \
122: int fflags, \
123: struct ucred *cred, \
124: struct proc *p))) mfs_badop)
125: #define mfs_mmap ((int (*) __P(( \
126: struct vnode *vp, \
127: int fflags, \
128: struct ucred *cred, \
129: struct proc *p))) mfs_badop)
130: #define mfs_fsync ((int (*) __P(( \
131: struct vnode *vp, \
132: int fflags, \
133: struct ucred *cred, \
134: int waitfor, \
135: struct proc *p))) mfs_badop)
136: #define mfs_seek ((int (*) __P(( \
137: struct vnode *vp, \
138: off_t oldoff, \
139: off_t newoff, \
140: struct ucred *cred))) mfs_badop)
141: #define mfs_remove ((int (*) __P(( \
142: struct nameidata *ndp, \
143: struct proc *p))) mfs_badop)
144: #define mfs_link ((int (*) __P(( \
145: struct vnode *vp, \
146: struct nameidata *ndp, \
147: struct proc *p))) mfs_badop)
148: #define mfs_rename ((int (*) __P(( \
149: struct nameidata *fndp, \
150: struct nameidata *tdnp, \
151: struct proc *p))) mfs_badop)
152: #define mfs_mkdir ((int (*) __P(( \
153: struct nameidata *ndp, \
154: struct vattr *vap, \
155: struct proc *p))) mfs_badop)
156: #define mfs_rmdir ((int (*) __P(( \
157: struct nameidata *ndp, \
158: struct proc *p))) mfs_badop)
159: #define mfs_symlink ((int (*) __P(( \
160: struct nameidata *ndp, \
161: struct vattr *vap, \
162: char *target, \
163: struct proc *p))) mfs_badop)
164: #define mfs_readdir ((int (*) __P(( \
165: struct vnode *vp, \
166: struct uio *uio, \
167: struct ucred *cred, \
168: int *eofflagp))) mfs_badop)
169: #define mfs_readlink ((int (*) __P(( \
170: struct vnode *vp, \
171: struct uio *uio, \
172: struct ucred *cred))) mfs_badop)
173: #define mfs_abortop ((int (*) __P(( \
174: struct nameidata *ndp))) mfs_badop)
175: int mfs_inactive __P((
176: struct vnode *vp,
177: struct proc *p));
178: #define mfs_reclaim ((int (*) __P(( \
179: struct vnode *vp))) nullop)
180: #define mfs_lock ((int (*) __P(( \
181: struct vnode *vp))) nullop)
182: #define mfs_unlock ((int (*) __P(( \
183: struct vnode *vp))) nullop)
184: int mfs_bmap __P((
185: struct vnode *vp,
186: daddr_t bn,
187: struct vnode **vpp,
188: daddr_t *bnp));
189: int mfs_strategy __P((
190: struct buf *bp));
191: int mfs_print __P((
192: struct vnode *vp));
193: #define mfs_islocked ((int (*) __P(( \
194: struct vnode *vp))) nullop)
195: #define mfs_advlock ((int (*) __P(( \
196: struct vnode *vp, \
197: caddr_t id, \
198: int op, \
199: struct flock *fl, \
200: int flags))) mfs_badop)
1.1.1.2 ! root 201:
! 202: #endif /* !_UFS_MFSNODE_H_ */
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