Annotation of sys/ufs/ffs/ffs_softdep_stub.c, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: ffs_softdep_stub.c,v 1.15 2007/06/01 20:23:26 pedro Exp $ */
2:
3: /*
4: * Copyright 1998 Marshall Kirk McKusick. All Rights Reserved.
5: *
6: * The soft updates code is derived from the appendix of a University
7: * of Michigan technical report (Gregory R. Ganger and Yale N. Patt,
8: * "Soft Updates: A Solution to the Metadata Update Problem in File
9: * Systems", CSE-TR-254-95, August 1995).
10: *
11: * Redistribution and use in source and binary forms, with or without
12: * modification, are permitted provided that the following conditions
13: * are met:
14: * 1. Redistributions of source code must retain the above copyright
15: * notice, this list of conditions and the following disclaimer.
16: * 2. Redistributions in binary form must reproduce the above copyright
17: * notice, this list of conditions and the following disclaimer in the
18: * documentation and/or other materials provided with the distribution.
19: * 3. None of the names of McKusick, Ganger, or the University of Michigan
20: * may be used to endorse or promote products derived from this software
21: * without specific prior written permission.
22: *
23: * THIS SOFTWARE IS PROVIDED BY MARSHALL KIRK MCKUSICK ``AS IS'' AND
24: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26: * ARE DISCLAIMED. IN NO EVENT SHALL MARSHALL KIRK MCKUSICK BE LIABLE
27: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33: * SUCH DAMAGE.
34: *
35: * from: @(#)ffs_softdep_stub.c 9.1 (McKusick) 7/10/97
36: * $FreeBSD: src/sys/ufs/ffs/ffs_softdep_stub.c,v 1.14 2000/08/09 00:41:54 tegge Exp $
37: */
38:
39: #ifndef FFS_SOFTUPDATES
40:
41: #include <sys/param.h>
42: #include <sys/vnode.h>
43: #include <sys/systm.h>
44: #include <ufs/ufs/quota.h>
45: #include <ufs/ufs/inode.h>
46: #include <ufs/ffs/ffs_extern.h>
47: #include <ufs/ufs/ufs_extern.h>
48:
49: int
50: softdep_flushfiles(struct mount *oldmnt, int flags, struct proc *p)
51: {
52: panic("softdep_flushfiles called");
53: }
54:
55: int
56: softdep_mount(struct vnode *devvp, struct mount *mp, struct fs *fs,
57: struct ucred *cred)
58: {
59: return (0);
60: }
61:
62: void
63: softdep_initialize(void)
64: {
65: return;
66: }
67:
68: #ifndef __OPTIMIZE__
69:
70: void
71: softdep_setup_inomapdep(struct buf *bp, struct inode *ip, ino_t newinum)
72: {
73: panic("softdep_setup_inomapdep called");
74: }
75:
76: void
77: softdep_setup_blkmapdep(struct buf *bp, struct fs *fs, daddr_t newblkno)
78: {
79: panic("softdep_setup_blkmapdep called");
80: }
81:
82: void
83: softdep_setup_allocdirect(struct inode *ip, daddr64_t lbn, daddr_t newblkno,
84: daddr_t oldblkno, long newsize, long oldsize, struct buf *bp)
85: {
86: panic("softdep_setup_allocdirect called");
87: }
88:
89: void
90: softdep_setup_allocindir_page(struct inode *ip, daddr64_t lbn, struct buf *bp,
91: int ptrno, daddr_t newblkno, daddr_t oldblkno, struct buf *nbp)
92: {
93: panic("softdep_setup_allocindir_page called");
94: }
95:
96: void
97: softdep_setup_allocindir_meta(struct buf *nbp, struct inode *ip,
98: struct buf *bp, int ptrno, daddr_t newblkno)
99: {
100: panic("softdep_setup_allocindir_meta called");
101: }
102:
103: void
104: softdep_setup_freeblocks(struct inode *ip, off_t length)
105: {
106: panic("softdep_setup_freeblocks called");
107: }
108:
109: void
110: softdep_freefile(struct vnode *pvp, ino_t ino, mode_t mode)
111: {
112: panic("softdep_freefile called");
113: }
114:
115: int
116: softdep_setup_directory_add(struct buf *bp, struct inode *dp, off_t diroffset,
117: long newinum, struct buf *newdirbp, int isnewblk)
118: {
119: panic("softdep_setup_directory_add called");
120: return (0);
121: }
122:
123: void
124: softdep_change_directoryentry_offset(struct inode *dp, caddr_t base,
125: caddr_t oldloc, caddr_t newloc, int entrysize)
126: {
127: panic("softdep_change_directoryentry_offset called");
128: }
129:
130: void
131: softdep_setup_remove(struct buf *bp, struct inode *dp, struct inode *ip,
132: int isrmdir)
133: {
134: panic("softdep_setup_remove called");
135: }
136:
137: void
138: softdep_setup_directory_change(struct buf *bp, struct inode *dp,
139: struct inode *ip, long newinum, int isrmdir)
140: {
141: panic("softdep_setup_directory_change called");
142: }
143:
144: void
145: softdep_change_linkcnt(struct inode *ip, int nodelay)
146: {
147: panic("softdep_change_linkcnt called");
148: }
149:
150: void
151: softdep_load_inodeblock(struct inode *ip)
152: {
153: panic("softdep_load_inodeblock called");
154: }
155:
156: void
157: softdep_update_inodeblock(struct inode *ip, struct buf *bp, int waitfor)
158: {
159: panic("softdep_update_inodeblock called");
160: }
161:
162: #endif
163:
164: void
165: softdep_fsync_mountdev(struct vnode *vp, int waitfor)
166: {
167: return;
168: }
169:
170: int
171: softdep_flushworklist(struct mount *oldmnt, int *countp, struct proc *p)
172: {
173: *countp = 0;
174: return (0);
175: }
176:
177: int
178: softdep_sync_metadata(struct vop_fsync_args *ap)
179: {
180: return (0);
181: }
182:
183: #ifndef __OPTIMIZE__
184:
185: int
186: softdep_slowdown(struct vnode *vp)
187: {
188: panic("softdep_slowdown called");
189: }
190:
191: #endif
192:
193: #endif /* !FFS_SOFTUPDATES */
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