lfs_extern.h revision 1.24
1 /* $NetBSD: lfs_extern.h,v 1.24 2000/12/03 05:56:27 perseant Exp $ */ 2 3 /*- 4 * Copyright (c) 1999, 2000 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 /* Copied from ext2fs for ITIMES. XXX This is a bogus use of v_tag. */ 74 #define IS_LFS_VNODE(vp) (vp->v_tag == VT_LFS) 75 76 /* 77 * Sysctl values for LFS. 78 */ 79 #define LFS_WRITEINDIR 1 /* flush indirect blocks on non-checkpoint writes */ 80 #define LFS_CLEAN_VNHEAD 2 /* put prev unrefed cleaned vnodes on head of free list */ 81 #define LFS_DOSTATS 3 82 #define LFS_STATS 4 83 #define LFS_MAXID 5 84 85 #define LFS_NAMES { \ 86 { 0, 0 }, \ 87 { "flushindir", CTLTYPE_INT }, \ 88 { "clean_vnhead", CTLTYPE_INT }, \ 89 { "dostats", CTLTYPE_INT }, \ 90 { "stats", CTLTYPE_STRUCT }, \ 91 } 92 93 struct fid; 94 struct mount; 95 struct nameidata; 96 struct proc; 97 struct statfs; 98 struct timeval; 99 struct inode; 100 struct uio; 101 struct mbuf; 102 struct dinode; 103 struct buf; 104 struct vnode; 105 struct dlfs; 106 struct lfs; 107 struct segment; 108 struct ucred; 109 110 extern struct pool lfs_inode_pool; /* memory pool for inodes */ 111 112 __BEGIN_DECLS 113 /* lfs_alloc.c */ 114 int lfs_rf_valloc __P((struct lfs *, ino_t, int, struct proc *, struct vnode **)); 115 void lfs_vcreate __P((struct mount *, ino_t, struct vnode *)); 116 /* lfs_bio.c */ 117 int lfs_availwait __P((struct lfs *, int)); 118 int lfs_bwrite_ext __P((struct buf *, int)); 119 int lfs_fits __P((struct lfs *, int)); 120 void lfs_flush_fs __P((struct lfs *, int)); 121 void lfs_flush __P((struct lfs *, int)); 122 int lfs_check __P((struct vnode *, ufs_daddr_t, int)); 123 #ifdef MALLOCLOG 124 void lfs_freebuf_malloclog __P((struct buf *, char *, int)); 125 struct buf *lfs_newbuf_malloclog __P((struct vnode *, ufs_daddr_t, size_t, 126 char *, int)); 127 #define lfs_freebuf(BP) lfs_freebuf_malloclog((BP), __FILE__, __LINE__) 128 #define lfs_newbuf(V, A, S) lfs_newbuf_malloclog((V),(A),(S),__FILE__,__LINE__) 129 #else 130 void lfs_freebuf __P((struct buf *)); 131 struct buf *lfs_newbuf __P((struct vnode *, ufs_daddr_t, size_t)); 132 #endif 133 void lfs_countlocked __P((int *, long *)); 134 int lfs_reserve __P((struct lfs *, struct vnode *, int)); 135 136 /* lfs_cksum.c */ 137 u_int32_t cksum __P((void *, size_t)); 138 u_int32_t lfs_sb_cksum __P((struct dlfs *)); 139 140 /* lfs_debug.c */ 141 #ifdef DEBUG 142 void lfs_dump_super __P((struct lfs *)); 143 void lfs_dump_dinode __P((struct dinode *)); 144 void lfs_check_bpp __P((struct lfs *, struct segment *, char *, int)); 145 void lfs_check_segsum __P((struct lfs *, struct segment *, char *, int)); 146 #endif /* DEBUG */ 147 148 /* lfs_inode.c */ 149 struct dinode *lfs_ifind __P((struct lfs *, ino_t, struct buf *)); 150 151 /* lfs_segment.c */ 152 void lfs_imtime __P((struct lfs *)); 153 int lfs_vflush __P((struct vnode *)); 154 int lfs_writevnodes __P((struct lfs *, struct mount *, struct segment *, int)); 155 int lfs_segwrite __P((struct mount *, int)); 156 void lfs_writefile __P((struct lfs *, struct segment *, struct vnode *)); 157 int lfs_writeinode __P((struct lfs *, struct segment *, struct inode *)); 158 int lfs_gatherblock __P((struct segment *, struct buf *, int *)); 159 int lfs_gather __P((struct lfs *, struct segment *, struct vnode *, int (*match )__P ((struct lfs *, struct buf *)))); 160 void lfs_updatemeta __P((struct segment *)); 161 int lfs_initseg __P((struct lfs *)); 162 void lfs_newseg __P((struct lfs *)); 163 int lfs_writeseg __P((struct lfs *, struct segment *)); 164 void lfs_writesuper __P((struct lfs *, daddr_t)); 165 int lfs_match_data __P((struct lfs *, struct buf *)); 166 int lfs_match_indir __P((struct lfs *, struct buf *)); 167 int lfs_match_dindir __P((struct lfs *, struct buf *)); 168 int lfs_match_tindir __P((struct lfs *, struct buf *)); 169 void lfs_callback __P((struct buf *)); 170 void lfs_supercallback __P((struct buf *)); 171 void lfs_shellsort __P((struct buf **, ufs_daddr_t *, int)); 172 int lfs_vref __P((struct vnode *)); 173 void lfs_vunref __P((struct vnode *)); 174 void lfs_vunref_head __P((struct vnode *)); 175 176 /* lfs_subr.c */ 177 void lfs_seglock __P((struct lfs *, unsigned long)); 178 void lfs_segunlock __P((struct lfs *)); 179 180 /* lfs_syscalls.c */ 181 int lfs_fastvget __P((struct mount *, ino_t, ufs_daddr_t, struct vnode **, struct dinode *, int *)); 182 struct buf *lfs_fakebuf __P((struct vnode *, int, size_t, caddr_t)); 183 184 /* lfs_vfsops.c */ 185 void lfs_init __P((void)); 186 void lfs_done __P((void)); 187 int lfs_mountroot __P((void)); 188 int lfs_mount __P((struct mount *, const char *, void *, struct nameidata *, struct proc *)); 189 int lfs_mountfs __P((struct vnode *, struct mount *, struct proc *)); 190 int lfs_unmount __P((struct mount *, int, struct proc *)); 191 int lfs_statfs __P((struct mount *, struct statfs *, struct proc *)); 192 int lfs_sync __P((struct mount *, int, struct ucred *, struct proc *)); 193 int lfs_vget __P((struct mount *, ino_t, struct vnode **)); 194 int lfs_fhtovp __P((struct mount *, struct fid *, struct vnode **)); 195 int lfs_vptofh __P((struct vnode *, struct fid *)); 196 int lfs_sysctl __P((int *, u_int, void *, size_t *, void *, size_t, 197 struct proc *)); 198 199 /* lfs_vnops.c */ 200 void lfs_unmark_vnode __P((struct vnode *)); 201 void lfs_itimes __P((struct inode *, struct timespec *, struct timespec *, 202 struct timespec *)); 203 204 int lfs_balloc __P((void *)); 205 int lfs_valloc __P((void *)); 206 int lfs_vfree __P((void *)); 207 int lfs_bwrite __P((void *)); 208 int lfs_update __P((void *)); 209 int lfs_truncate __P((void *)); 210 int lfs_blkatoff __P((void *)); 211 int lfs_fsync __P((void *)); 212 int lfs_symlink __P((void *)); 213 int lfs_mknod __P((void *)); 214 int lfs_create __P((void *)); 215 int lfs_mkdir __P((void *)); 216 int lfs_read __P((void *)); 217 int lfs_remove __P((void *)); 218 int lfs_rmdir __P((void *)); 219 int lfs_link __P((void *)); 220 int lfs_rename __P((void *)); 221 int lfs_getattr __P((void *)); 222 int lfs_close __P((void *)); 223 int lfs_inactive __P((void *)); 224 int lfs_reclaim __P((void *)); 225 int lfs_write __P((void *)); 226 int lfs_whiteout __P((void *)); 227 228 __END_DECLS 229 extern int lfs_mount_type; 230 extern int (**lfs_vnodeop_p) __P((void *)); 231 extern int (**lfs_specop_p) __P((void *)); 232 extern int (**lfs_fifoop_p) __P((void *)); 233
Indexes created Mon Sep 29 18:09:42 GMT 2025