3 * Copyright 1998 Marshall Kirk McKusick. All Rights Reserved.
5 * The soft updates code is derived from the appendix of a University
6 * of Michigan technical report (Gregory R. Ganger and Yale N. Patt,
7 * "Soft Updates: A Solution to the Metadata Update Problem in File
8 * Systems", CSE-TR-254-95, August 1995).
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. None of the names of McKusick, Ganger, or the University of Michigan
19 * may be used to endorse or promote products derived from this software
20 * without specific prior written permission.
22 * THIS SOFTWARE IS PROVIDED BY MARSHALL KIRK MCKUSICK ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED. IN NO EVENT SHALL MARSHALL KIRK MCKUSICK BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * from: @(#)ffs_softdep_stub.c 9.1 (McKusick) 7/10/97
35 * $FreeBSD: src/sys/ufs/ffs/ffs_softdep_stub.c,v 1.7.2.1 2000/12/28 11:01:45 ps Exp $
36 * $DragonFly: src/sys/vfs/ufs/ffs_softdep_stub.c,v 1.8 2006/05/06 16:20:19 dillon Exp $
40 * Use this file as ffs_softdep.c if you do not wish the real ffs_softdep.c
41 * to be included in your system. (e.g for legal reasons )
42 * The real files are in /usr/src/contrib/sys/softupdates.
43 * You must copy them here before you can use soft updates.
44 * Read the README for legal and technical information.
48 #if (SOFTUPDATES == 0 ) /* SOFTUPDATES not configured in, use these stubs. */
49 #include <sys/param.h>
50 #include <sys/systm.h>
51 #include <sys/malloc.h>
52 #include <sys/vnode.h>
55 #include "ffs_extern.h"
56 #include "ufs_extern.h"
59 softdep_flushfiles(struct mount *oldmnt, int flags)
61 panic("softdep_flushfiles called");
65 softdep_mount(struct vnode *devvp, struct mount *mp, struct fs *fs)
71 softdep_initialize(void)
77 softdep_setup_inomapdep(struct buf *bp, struct inode *ip, ino_t newinum)
79 panic("softdep_setup_inomapdep called");
83 softdep_setup_blkmapdep(struct buf *bp, struct fs *fs, ufs_daddr_t newblkno)
85 panic("softdep_setup_blkmapdep called");
89 softdep_setup_allocdirect(struct inode *ip, ufs_lbn_t lbn,
90 ufs_daddr_t newblkno, ufs_daddr_t oldblkno,
91 long newsize, long oldsize, struct buf *bp)
93 panic("softdep_setup_allocdirect called");
97 softdep_setup_allocindir_page(struct inode *ip, ufs_lbn_t lbn, struct buf *bp,
98 int ptrno, ufs_daddr_t newblkno,
99 ufs_daddr_t oldblkno, struct buf *nbp)
101 panic("softdep_setup_allocindir_page called");
105 softdep_setup_allocindir_meta(struct buf *nbp, struct inode *ip, struct buf *bp,
106 int ptrno, ufs_daddr_t newblkno)
108 panic("softdep_setup_allocindir_meta called");
112 softdep_setup_freeblocks(struct inode *ip, off_t length)
114 panic("softdep_setup_freeblocks called");
117 /* XXX needed to change this for FreeBSD.. hit poul */
119 softdep_freefile(struct vnode *pvp, ino_t ino, int mode)
121 panic("softdep_freefile called");
125 softdep_setup_directory_add(struct buf *bp, struct inode *dp, off_t diroffset,
126 ino_t newinum, struct buf *newdirbp)
128 panic("softdep_setup_directory_add called");
132 softdep_change_directoryentry_offset(struct inode *dp, caddr_t base,
133 caddr_t oldloc, caddr_t newloc,
136 panic("softdep_change_directoryentry_offset called");
140 softdep_setup_remove(struct buf *bp, struct inode *dp, struct inode *ip,
143 panic("softdep_setup_remove called");
147 softdep_setup_directory_change(struct buf *bp, struct inode *dp,
148 struct inode *ip, ino_t newinum, int isrmdir)
150 panic("softdep_setup_directory_change called");
154 softdep_change_linkcnt(struct inode *ip)
156 panic("softdep_change_linkcnt called");
160 softdep_load_inodeblock(struct inode *ip)
162 panic("softdep_load_inodeblock called");
166 softdep_update_inodeblock(struct inode *ip, struct buf *bp, int waitfor)
168 panic("softdep_update_inodeblock called");
172 softdep_fsync_mountdev(struct vnode *vp)
178 * softdep_sync_metadata(struct vnode *vp, struct thread *td)
181 softdep_sync_metadata(struct vnode *vp, struct thread *td)
187 softdep_slowdown(struct vnode *vp)
189 panic("softdep_slowdown called");
191 #endif /* SOFTUPDATES not configured in */