1 2 /* 3 * Copyright 1998 Marshall Kirk McKusick. All Rights Reserved. 4 * 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). 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 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. 21 * 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 32 * SUCH DAMAGE. 33 * 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 1.4 2003/08/07 21:17:44 dillon Exp $ 37 */ 38 39 /* 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. 45 */ 46 47 #include "opt_ffs.h" 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> 53 #include "quota.h" 54 #include "inode.h" 55 #include "ffs_extern.h" 56 #include "ufs_extern.h" 57 58 int 59 softdep_flushfiles(struct mount *oldmnt, int flags, thread_t td) 60 { 61 panic("softdep_flushfiles called"); 62 } 63 64 int 65 softdep_mount(struct vnode *devvp, struct mount *mp, struct fs *fs) 66 { 67 return (0); 68 } 69 70 void 71 softdep_initialize(void) 72 { 73 /* empty */ 74 } 75 76 void 77 softdep_setup_inomapdep(bp, ip, newinum) 78 struct buf *bp; 79 struct inode *ip; 80 ino_t newinum; 81 { 82 83 panic("softdep_setup_inomapdep called"); 84 } 85 86 void 87 softdep_setup_blkmapdep(bp, fs, newblkno) 88 struct buf *bp; 89 struct fs *fs; 90 ufs_daddr_t newblkno; 91 { 92 93 panic("softdep_setup_blkmapdep called"); 94 } 95 96 void 97 softdep_setup_allocdirect(ip, lbn, newblkno, oldblkno, newsize, oldsize, bp) 98 struct inode *ip; 99 ufs_lbn_t lbn; 100 ufs_daddr_t newblkno; 101 ufs_daddr_t oldblkno; 102 long newsize; 103 long oldsize; 104 struct buf *bp; 105 { 106 107 panic("softdep_setup_allocdirect called"); 108 } 109 110 void 111 softdep_setup_allocindir_page(ip, lbn, bp, ptrno, newblkno, oldblkno, nbp) 112 struct inode *ip; 113 ufs_lbn_t lbn; 114 struct buf *bp; 115 int ptrno; 116 ufs_daddr_t newblkno; 117 ufs_daddr_t oldblkno; 118 struct buf *nbp; 119 { 120 121 panic("softdep_setup_allocindir_page called"); 122 } 123 124 void 125 softdep_setup_allocindir_meta(nbp, ip, bp, ptrno, newblkno) 126 struct buf *nbp; 127 struct inode *ip; 128 struct buf *bp; 129 int ptrno; 130 ufs_daddr_t newblkno; 131 { 132 133 panic("softdep_setup_allocindir_meta called"); 134 } 135 136 void 137 softdep_setup_freeblocks(ip, length) 138 struct inode *ip; 139 off_t length; 140 { 141 142 panic("softdep_setup_freeblocks called"); 143 } 144 145 /* XXX needed to change this for FreeBSD.. hit poul */ 146 void 147 softdep_freefile(pvp, ino, mode) 148 struct vnode *pvp; 149 ino_t ino; 150 int mode; 151 { 152 153 panic("softdep_freefile called"); 154 } 155 156 void 157 softdep_setup_directory_add(bp, dp, diroffset, newinum, newdirbp) 158 struct buf *bp; 159 struct inode *dp; 160 off_t diroffset; 161 long newinum; 162 struct buf *newdirbp; 163 { 164 165 panic("softdep_setup_directory_add called"); 166 } 167 168 void 169 softdep_change_directoryentry_offset(dp, base, oldloc, newloc, entrysize) 170 struct inode *dp; 171 caddr_t base; 172 caddr_t oldloc; 173 caddr_t newloc; 174 int entrysize; 175 { 176 177 panic("softdep_change_directoryentry_offset called"); 178 } 179 180 void 181 softdep_setup_remove(bp, dp, ip, isrmdir) 182 struct buf *bp; 183 struct inode *dp; 184 struct inode *ip; 185 int isrmdir; 186 { 187 188 panic("softdep_setup_remove called"); 189 } 190 191 void 192 softdep_setup_directory_change(bp, dp, ip, newinum, isrmdir) 193 struct buf *bp; 194 struct inode *dp; 195 struct inode *ip; 196 long newinum; 197 int isrmdir; 198 { 199 200 panic("softdep_setup_directory_change called"); 201 } 202 203 void 204 softdep_change_linkcnt(ip) 205 struct inode *ip; 206 { 207 208 panic("softdep_change_linkcnt called"); 209 } 210 211 void 212 softdep_load_inodeblock(ip) 213 struct inode *ip; 214 { 215 216 panic("softdep_load_inodeblock called"); 217 } 218 219 void 220 softdep_update_inodeblock(ip, bp, waitfor) 221 struct inode *ip; 222 struct buf *bp; 223 int waitfor; 224 { 225 226 panic("softdep_update_inodeblock called"); 227 } 228 229 void 230 softdep_fsync_mountdev(vp) 231 struct vnode *vp; 232 { 233 234 return; 235 } 236 237 int 238 softdep_sync_metadata(ap) 239 struct vop_fsync_args /* { 240 struct vnode *a_vp; 241 struct ucred *a_cred; 242 int a_waitfor; 243 struct proc *a_p; 244 } */ *ap; 245 { 246 247 return (0); 248 } 249 250 int 251 softdep_slowdown(vp) 252 struct vnode *vp; 253 { 254 panic("softdep_slowdown called"); 255 } 256 #endif /* SOFTUPDATES not configured in */ 257