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0dc98f87 KM |
1 | /* |
2 | * Copyright (c) 1989 The Regents of the University of California. | |
3 | * All rights reserved. | |
4 | * | |
b702c21d | 5 | * %sccs.include.redist.c% |
0dc98f87 | 6 | * |
698a1669 | 7 | * @(#)mfsnode.h 7.7 (Berkeley) %G% |
0dc98f87 KM |
8 | */ |
9 | ||
10 | /* | |
13eb326e | 11 | * This structure defines the control data for the memory based file system. |
0dc98f87 KM |
12 | */ |
13 | ||
14 | struct mfsnode { | |
15 | struct vnode *mfs_vnode; /* vnode associated with this mfsnode */ | |
16 | caddr_t mfs_baseoff; /* base of file system in memory */ | |
17 | long mfs_size; /* size of memory file system */ | |
18 | pid_t mfs_pid; /* supporting process pid */ | |
19 | struct buf *mfs_buflist; /* list of I/O requests */ | |
20 | long mfs_spare[4]; | |
21 | }; | |
22 | ||
23 | /* | |
24 | * Convert between mfsnode pointers and vnode pointers | |
25 | */ | |
26 | #define VTOMFS(vp) ((struct mfsnode *)(vp)->v_data) | |
27 | #define MFSTOV(mfsp) ((mfsp)->mfs_vnode) | |
5b881f30 | 28 | |
13eb326e | 29 | /* Prototypes for MFS operations on vnodes. */ |
5b881f30 | 30 | #define mfs_lookup ((int (*) __P(( \ |
698a1669 JH |
31 | struct vnode *dvp, \ |
32 | struct vnode **vpp, \ | |
33 | struct componentname *cnp))) mfs_badop) | |
5b881f30 | 34 | #define mfs_create ((int (*) __P(( \ |
698a1669 JH |
35 | struct vnode *dvp, \ |
36 | struct vnode **vpp, \ | |
37 | struct componentname *cnp, \ | |
38 | struct vattr *vap))) mfs_badop) | |
5b881f30 | 39 | #define mfs_mknod ((int (*) __P(( \ |
698a1669 JH |
40 | struct vnode *dvp, \ |
41 | struct vnode **vpp, \ | |
42 | struct componentname *cnp, \ | |
43 | struct vattr *vap))) mfs_badop) | |
5b881f30 KM |
44 | #define mfs_access ((int (*) __P(( \ |
45 | struct vnode *vp, \ | |
46 | int mode, \ | |
47 | struct ucred *cred, \ | |
48 | struct proc *p))) mfs_badop) | |
49 | #define mfs_getattr ((int (*) __P(( \ | |
50 | struct vnode *vp, \ | |
51 | struct vattr *vap, \ | |
52 | struct ucred *cred, \ | |
53 | struct proc *p))) mfs_badop) | |
54 | #define mfs_setattr ((int (*) __P(( \ | |
55 | struct vnode *vp, \ | |
56 | struct vattr *vap, \ | |
57 | struct ucred *cred, \ | |
58 | struct proc *p))) mfs_badop) | |
59 | #define mfs_read ((int (*) __P(( \ | |
60 | struct vnode *vp, \ | |
61 | struct uio *uio, \ | |
62 | int ioflag, \ | |
63 | struct ucred *cred))) mfs_badop) | |
64 | #define mfs_write ((int (*) __P(( \ | |
65 | struct vnode *vp, \ | |
66 | struct uio *uio, \ | |
67 | int ioflag, \ | |
68 | struct ucred *cred))) mfs_badop) | |
5b881f30 KM |
69 | #define mfs_select ((int (*) __P(( \ |
70 | struct vnode *vp, \ | |
71 | int which, \ | |
72 | int fflags, \ | |
73 | struct ucred *cred, \ | |
74 | struct proc *p))) mfs_badop) | |
75 | #define mfs_mmap ((int (*) __P(( \ | |
76 | struct vnode *vp, \ | |
77 | int fflags, \ | |
78 | struct ucred *cred, \ | |
79 | struct proc *p))) mfs_badop) | |
80 | #define mfs_fsync ((int (*) __P(( \ | |
81 | struct vnode *vp, \ | |
82 | int fflags, \ | |
83 | struct ucred *cred, \ | |
84 | int waitfor, \ | |
85 | struct proc *p))) mfs_badop) | |
86 | #define mfs_seek ((int (*) __P(( \ | |
87 | struct vnode *vp, \ | |
88 | off_t oldoff, \ | |
89 | off_t newoff, \ | |
90 | struct ucred *cred))) mfs_badop) | |
91 | #define mfs_remove ((int (*) __P(( \ | |
698a1669 JH |
92 | struct vnode *dvp, \ |
93 | struct vnode *vp, \ | |
94 | struct componentname *cnp))) mfs_badop) | |
5b881f30 | 95 | #define mfs_link ((int (*) __P(( \ |
698a1669 JH |
96 | register struct vnode *vp, \ |
97 | struct vnode *tdvp, \ | |
98 | struct componentname *cnp))) mfs_badop) | |
5b881f30 | 99 | #define mfs_rename ((int (*) __P(( \ |
698a1669 JH |
100 | struct vnode *fdvp, \ |
101 | struct vnode *fvp, \ | |
102 | struct componentname *fcnp, \ | |
103 | struct vnode *tdvp, \ | |
104 | struct vnode *tvp, \ | |
105 | struct componentname *tcnp))) mfs_badop) | |
5b881f30 | 106 | #define mfs_mkdir ((int (*) __P(( \ |
698a1669 JH |
107 | struct vnode *dvp, \ |
108 | struct vnode **vpp, \ | |
109 | struct componentname *cnp, \ | |
110 | struct vattr *vap))) mfs_badop) | |
5b881f30 | 111 | #define mfs_rmdir ((int (*) __P(( \ |
698a1669 JH |
112 | struct vnode *dvp, \ |
113 | struct vnode *vp, \ | |
114 | struct componentname *cnp))) mfs_badop) | |
5b881f30 | 115 | #define mfs_symlink ((int (*) __P(( \ |
698a1669 JH |
116 | struct vnode *dvp, \ |
117 | struct vnode **vpp, \ | |
118 | struct componentname *cnp, \ | |
5b881f30 | 119 | struct vattr *vap, \ |
698a1669 | 120 | char *target))) mfs_badop) |
5b881f30 KM |
121 | #define mfs_readdir ((int (*) __P(( \ |
122 | struct vnode *vp, \ | |
123 | struct uio *uio, \ | |
124 | struct ucred *cred, \ | |
125 | int *eofflagp))) mfs_badop) | |
126 | #define mfs_readlink ((int (*) __P(( \ | |
127 | struct vnode *vp, \ | |
128 | struct uio *uio, \ | |
129 | struct ucred *cred))) mfs_badop) | |
130 | #define mfs_abortop ((int (*) __P(( \ | |
698a1669 JH |
131 | struct vnode *dvp, \ |
132 | struct componentname *cnp))) mfs_badop) | |
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133 | #define mfs_lock ((int (*) __P(( \ |
134 | struct vnode *vp))) nullop) | |
135 | #define mfs_unlock ((int (*) __P(( \ | |
136 | struct vnode *vp))) nullop) | |
5b881f30 KM |
137 | #define mfs_islocked ((int (*) __P(( \ |
138 | struct vnode *vp))) nullop) | |
139 | #define mfs_advlock ((int (*) __P(( \ | |
140 | struct vnode *vp, \ | |
141 | caddr_t id, \ | |
142 | int op, \ | |
143 | struct flock *fl, \ | |
144 | int flags))) mfs_badop) | |
9cde1597 KM |
145 | #define mfs_blkatoff ((int (*) __P(( \ |
146 | struct vnode *vp, \ | |
147 | off_t offset, \ | |
148 | char **res, \ | |
149 | struct buf **bpp))) mfs_badop) | |
150 | #define mfs_vget ((int (*) __P(( \ | |
151 | struct mount *mp, \ | |
152 | ino_t ino, \ | |
153 | struct vnode **vpp))) mfs_badop) | |
154 | #define mfs_valloc ((int (*) __P(( \ | |
155 | struct vnode *pvp, \ | |
156 | int mode, \ | |
157 | struct ucred *cred, \ | |
158 | struct vnode **vpp))) mfs_badop) | |
159 | #define mfs_vfree ((void (*) __P(( \ | |
160 | struct vnode *pvp, \ | |
161 | ino_t ino, \ | |
162 | int mode))) mfs_badop) | |
163 | #define mfs_truncate ((int (*) __P(( \ | |
164 | struct vnode *vp, \ | |
165 | u_long length, \ | |
166 | int flags))) mfs_badop) | |
167 | #define mfs_update ((int (*) __P(( \ | |
168 | struct vnode *vp, \ | |
169 | struct timeval *ta, \ | |
170 | struct timeval *tm, \ | |
171 | int waitfor))) nullop) | |
172 | #define mfs_bwrite ((int (*) __P(( \ | |
173 | struct buf *bp))) nullop) |