lfs_extern.h revision 1.13
1 /* $NetBSD: lfs_extern.h,v 1.13 1999/03/10 00:20:00 perseant Exp $ */ 2 3 /*- 4 * Copyright (c) 1999 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Konrad E. Schroder <perseant (at) hhhh.org>. 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. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 /*- 39 * Copyright (c) 1991, 1993, 1994 40 * The Regents of the University of California. All rights reserved. 41 * 42 * Redistribution and use in source and binary forms, with or without 43 * modification, are permitted provided that the following conditions 44 * are met: 45 * 1. Redistributions of source code must retain the above copyright 46 * notice, this list of conditions and the following disclaimer. 47 * 2. Redistributions in binary form must reproduce the above copyright 48 * notice, this list of conditions and the following disclaimer in the 49 * documentation and/or other materials provided with the distribution. 50 * 3. All advertising materials mentioning features or use of this software 51 * must display the following acknowledgement: 52 * This product includes software developed by the University of 53 * California, Berkeley and its contributors. 54 * 4. Neither the name of the University nor the names of its contributors 55 * may be used to endorse or promote products derived from this software 56 * without specific prior written permission. 57 * 58 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 59 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 60 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 61 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 62 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 63 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 64 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 65 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 66 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 67 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 68 * SUCH DAMAGE. 69 * 70 * @(#)lfs_extern.h 8.6 (Berkeley) 5/8/95 71 */ 72 73 /* 74 * Sysctl values for LFS. 75 */ 76 #define LFS_WRITEINDIR 1 /* flush indirect blocks on non-checkpoint writes */ 77 #define LFS_CLEAN_VNHEAD 2 /* put prev unrefed cleaned vnodes on head of free list */ 78 #define LFS_DOSTATS 3 79 #define LFS_STATS 4 80 #define LFS_MAXID 5 81 82 #define LFS_NAMES { \ 83 { 0, 0 }, \ 84 { "flushindir", CTLTYPE_INT }, \ 85 { "clean_vnhead", CTLTYPE_INT }, \ 86 { "dostats", CTLTYPE_INT }, \ 87 { "stats", CTLTYPE_STRUCT }, \ 88 } 89 90 struct fid; 91 struct mount; 92 struct nameidata; 93 struct proc; 94 struct statfs; 95 struct timeval; 96 struct inode; 97 struct uio; 98 struct mbuf; 99 struct dinode; 100 struct buf; 101 struct vnode; 102 struct lfs; 103 struct segment; 104 struct ucred; 105 106 extern struct pool lfs_inode_pool; /* memory pool for inodes */ 107 108 __BEGIN_DECLS 109 /* lfs_alloc.c */ 110 int lfs_vcreate __P((struct mount *, ino_t, struct vnode **)); 111 112 113 /* lfs_balloc.c */ 114 int lfs_balloc __P((struct vnode *, int, u_long, ufs_daddr_t, struct buf **)); 115 116 /* lfs_bio.c */ 117 int lfs_bwrite_ext __P((struct buf *, int)); 118 void lfs_flush __P((struct lfs *, int)); 119 int lfs_check __P((struct vnode *, ufs_daddr_t, int)); 120 void lfs_freebuf __P((struct buf *)); 121 void lfs_countlocked __P((int *, long *)); 122 123 /* lfs_cksum.c */ 124 u_long cksum __P((void *, size_t)); 125 u_long lfs_sb_cksum __P((struct dlfs *)); 126 127 /* lfs_debug.c */ 128 #ifdef DEBUG 129 void lfs_dump_super __P((struct lfs *)); 130 void lfs_dump_dinode __P((struct dinode *)); 131 void lfs_check_bpp __P((struct lfs *, struct segment *, char *, int)); 132 void lfs_check_segsum __P((struct lfs *, struct segment *, char *, int)); 133 #endif /* DEBUG */ 134 135 /* lfs_inode.c */ 136 void lfs_init __P((void)); 137 struct dinode *lfs_ifind __P((struct lfs *, ino_t, struct dinode *)); 138 139 /* lfs_segment.c */ 140 void lfs_imtime __P((struct lfs *)); 141 int lfs_vflush __P((struct vnode *)); 142 int lfs_writevnodes __P((struct lfs *, struct mount *, struct segment *, int)); 143 int lfs_segwrite __P((struct mount *, int)); 144 void lfs_writefile __P((struct lfs *, struct segment *, struct vnode *)); 145 int lfs_writeinode __P((struct lfs *, struct segment *, struct inode *)); 146 int lfs_gatherblock __P((struct segment *, struct buf *, int *)); 147 int lfs_gather __P((struct lfs *, struct segment *, struct vnode *, int (*match )__P ((struct lfs *, struct buf *)))); 148 void lfs_updatemeta __P((struct segment *)); 149 int lfs_initseg __P((struct lfs *)); 150 void lfs_newseg __P((struct lfs *)); 151 int lfs_writeseg __P((struct lfs *, struct segment *)); 152 void lfs_writesuper __P((struct lfs *, daddr_t)); 153 int lfs_match_data __P((struct lfs *, struct buf *)); 154 int lfs_match_indir __P((struct lfs *, struct buf *)); 155 int lfs_match_dindir __P((struct lfs *, struct buf *)); 156 int lfs_match_tindir __P((struct lfs *, struct buf *)); 157 struct buf *lfs_newbuf __P((struct vnode *, ufs_daddr_t, size_t)); 158 void lfs_callback __P((struct buf *)); 159 void lfs_supercallback __P((struct buf *)); 160 void lfs_shellsort __P((struct buf **, ufs_daddr_t *, int)); 161 int lfs_vref __P((struct vnode *)); 162 void lfs_vunref __P((struct vnode *)); 163 void lfs_vunref_head __P((struct vnode *)); 164 165 /* lfs_subr.c */ 166 void lfs_seglock __P((struct lfs *, unsigned long)); 167 void lfs_segunlock __P((struct lfs *)); 168 169 /* lfs_syscalls.c */ 170 int lfs_fastvget __P((struct mount *, ino_t, ufs_daddr_t, struct vnode **, struct dinode *, int *)); 171 struct buf *lfs_fakebuf __P((struct vnode *, int, size_t, caddr_t)); 172 173 /* lfs_vfsops.c */ 174 int lfs_mountroot __P((void)); 175 int lfs_mount __P((struct mount *, const char *, void *, struct nameidata *, struct proc *)); 176 int lfs_mountfs __P((struct vnode *, struct mount *, struct proc *)); 177 int lfs_unmount __P((struct mount *, int, struct proc *)); 178 int lfs_statfs __P((struct mount *, struct statfs *, struct proc *)); 179 int lfs_sync __P((struct mount *, int, struct ucred *, struct proc *)); 180 int lfs_vget __P((struct mount *, ino_t, struct vnode **)); 181 int lfs_fhtovp __P((struct mount *, struct fid *, struct vnode **)); 182 int lfs_vptofh __P((struct vnode *, struct fid *)); 183 int lfs_sysctl __P((int *, u_int, void *, size_t *, void *, size_t, 184 struct proc *)); 185 186 187 int lfs_valloc __P((void *)); 188 int lfs_vfree __P((void *)); 189 int lfs_bwrite __P((void *)); 190 int lfs_update __P((void *)); 191 int lfs_truncate __P((void *)); 192 int lfs_blkatoff __P((void *)); 193 int lfs_fsync __P((void *)); 194 int lfs_symlink __P((void *)); 195 int lfs_mknod __P((void *)); 196 int lfs_create __P((void *)); 197 int lfs_mkdir __P((void *)); 198 int lfs_read __P((void *)); 199 int lfs_remove __P((void *)); 200 int lfs_rmdir __P((void *)); 201 int lfs_link __P((void *)); 202 int lfs_rename __P((void *)); 203 int lfs_getattr __P((void *)); 204 int lfs_close __P((void *)); 205 int lfs_inactive __P((void *)); 206 int lfs_reclaim __P((void *)); 207 int lfs_write __P((void *)); 208 int lfs_whiteout __P((void *)); 209 210 __END_DECLS 211 extern int lfs_mount_type; 212 extern int (**lfs_vnodeop_p) __P((void *)); 213 extern int (**lfs_specop_p) __P((void *)); 214 extern int (**lfs_fifoop_p) __P((void *)); 215
Indexes created Fri Sep 26 20:09:58 GMT 2025