lfs_extern.h revision 1.37
1 /* $NetBSD: lfs_extern.h,v 1.37 2003/02/01 06:23:53 thorpej 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 #ifndef _UFS_LFS_LFS_EXTERN_H_ 74 #define _UFS_LFS_LFS_EXTERN_H_ 75 76 #include <sys/mallocvar.h> 77 MALLOC_DECLARE(M_SEGMENT); 78 79 /* Copied from ext2fs for ITIMES. XXX This is a bogus use of v_tag. */ 80 #define IS_LFS_VNODE(vp) (vp->v_tag == VT_LFS) 81 82 /* 83 * Sysctl values for LFS. 84 */ 85 #define LFS_WRITEINDIR 1 /* flush indirect blocks on non-checkpoint writes */ 86 #define LFS_CLEAN_VNHEAD 2 /* put prev unrefed cleaned vnodes on head of free list */ 87 #define LFS_DOSTATS 3 88 #define LFS_STATS 4 89 #define LFS_MAXID 5 90 91 #define LFS_NAMES { \ 92 { 0, 0 }, \ 93 { "flushindir", CTLTYPE_INT }, \ 94 { "clean_vnhead", CTLTYPE_INT }, \ 95 { "dostats", CTLTYPE_INT }, \ 96 { "stats", CTLTYPE_STRUCT }, \ 97 } 98 99 struct fid; 100 struct mount; 101 struct nameidata; 102 struct proc; 103 struct statfs; 104 struct timeval; 105 struct inode; 106 struct uio; 107 struct mbuf; 108 struct dinode; 109 struct buf; 110 struct vnode; 111 struct dlfs; 112 struct lfs; 113 struct segment; 114 struct ucred; 115 116 extern int lfs_allclean_wakeup; 117 extern struct pool lfs_inode_pool; /* memory pool for inodes */ 118 119 __BEGIN_DECLS 120 /* lfs_alloc.c */ 121 int lfs_rf_valloc(struct lfs *, ino_t, int, struct proc *, struct vnode **); 122 void lfs_vcreate(struct mount *, ino_t, struct vnode *); 123 /* lfs_bio.c */ 124 int lfs_availwait(struct lfs *, int); 125 int lfs_bwrite_ext(struct buf *, int); 126 int lfs_fits(struct lfs *, int); 127 void lfs_flush_fs(struct lfs *, int); 128 void lfs_flush(struct lfs *, int); 129 int lfs_check(struct vnode *, daddr_t, int); 130 #ifdef MALLOCLOG 131 void lfs_freebuf_malloclog(struct buf *, char *, int); 132 struct buf *lfs_newbuf_malloclog(struct lfs *, struct vnode *, 133 daddr_t, size_t, char *, int); 134 #define lfs_freebuf(BP) lfs_freebuf_malloclog((BP), __FILE__, __LINE__) 135 #define lfs_newbuf(F, V, A, S) lfs_newbuf_malloclog((F),(V),(A),(S),__FILE__,__LINE__) 136 #else 137 void lfs_freebuf(struct buf *); 138 struct buf *lfs_newbuf(struct lfs *, struct vnode *, daddr_t, size_t); 139 #endif 140 void lfs_countlocked(int *, long *, char *); 141 int lfs_reserve(struct lfs *, struct vnode *, struct vnode *, int); 142 143 /* lfs_cksum.c */ 144 u_int32_t cksum(void *, size_t); 145 u_int32_t lfs_sb_cksum(struct dlfs *); 146 147 /* lfs_debug.c */ 148 #ifdef DEBUG 149 int lfs_bwrite_log(struct buf *, char *, int); 150 void lfs_dumplog(void); 151 void lfs_dump_super(struct lfs *); 152 void lfs_dump_dinode(struct dinode *); 153 void lfs_check_bpp(struct lfs *, struct segment *, char *, int); 154 void lfs_check_segsum(struct lfs *, struct segment *, char *, int); 155 #endif /* DEBUG */ 156 157 /* lfs_inode.c */ 158 struct dinode *lfs_ifind(struct lfs *, ino_t, struct buf *); 159 160 /* lfs_segment.c */ 161 void lfs_imtime(struct lfs *); 162 int lfs_vflush(struct vnode *); 163 int lfs_writevnodes(struct lfs *, struct mount *, struct segment *, int); 164 int lfs_segwrite(struct mount *, int); 165 void lfs_writefile(struct lfs *, struct segment *, struct vnode *); 166 int lfs_writeinode(struct lfs *, struct segment *, struct inode *); 167 int lfs_gatherblock(struct segment *, struct buf *, int *); 168 int lfs_gather(struct lfs *, struct segment *, struct vnode *, int (*match )(struct lfs *, struct buf *)); 169 void lfs_updatemeta(struct segment *); 170 int lfs_initseg(struct lfs *); 171 void lfs_newseg(struct lfs *); 172 int lfs_writeseg(struct lfs *, struct segment *); 173 void lfs_writesuper(struct lfs *, daddr_t); 174 int lfs_match_data(struct lfs *, struct buf *); 175 int lfs_match_indir(struct lfs *, struct buf *); 176 int lfs_match_dindir(struct lfs *, struct buf *); 177 int lfs_match_tindir(struct lfs *, struct buf *); 178 void lfs_callback(struct buf *); 179 void lfs_supercallback(struct buf *); 180 /* XXX ondisk32 */ 181 void lfs_shellsort(struct buf **, int32_t *, int); 182 int lfs_vref(struct vnode *); 183 void lfs_vunref(struct vnode *); 184 void lfs_vunref_head(struct vnode *); 185 186 /* lfs_subr.c */ 187 void lfs_seglock(struct lfs *, unsigned long); 188 void lfs_segunlock(struct lfs *); 189 190 /* lfs_syscalls.c */ 191 int lfs_fastvget(struct mount *, ino_t, daddr_t, struct vnode **, struct dinode *); 192 struct buf *lfs_fakebuf(struct lfs *, struct vnode *, int, size_t, caddr_t); 193 194 /* lfs_vfsops.c */ 195 void lfs_init(void); 196 void lfs_reinit(void); 197 void lfs_done(void); 198 int lfs_mountroot(void); 199 int lfs_mount(struct mount *, const char *, void *, struct nameidata *, struct proc *); 200 int lfs_mountfs(struct vnode *, struct mount *, struct proc *); 201 int lfs_unmount(struct mount *, int, struct proc *); 202 int lfs_statfs(struct mount *, struct statfs *, struct proc *); 203 int lfs_sync(struct mount *, int, struct ucred *, struct proc *); 204 int lfs_vget(struct mount *, ino_t, struct vnode **); 205 int lfs_fhtovp(struct mount *, struct fid *, struct vnode **); 206 int lfs_vptofh(struct vnode *, struct fid *); 207 int lfs_sysctl(int *, u_int, void *, size_t *, void *, size_t, struct proc *); 208 209 /* lfs_vnops.c */ 210 void lfs_unmark_vnode(struct vnode *); 211 void lfs_itimes(struct inode *, struct timespec *, struct timespec *, 212 struct timespec *); 213 214 int lfs_balloc (void *); 215 int lfs_valloc (void *); 216 int lfs_vfree (void *); 217 int lfs_bwrite (void *); 218 int lfs_update (void *); 219 int lfs_truncate (void *); 220 int lfs_blkatoff (void *); 221 int lfs_fsync (void *); 222 int lfs_symlink (void *); 223 int lfs_mknod (void *); 224 int lfs_create (void *); 225 int lfs_mkdir (void *); 226 int lfs_read (void *); 227 int lfs_remove (void *); 228 int lfs_rmdir (void *); 229 int lfs_link (void *); 230 int lfs_rename (void *); 231 int lfs_getattr (void *); 232 int lfs_setattr (void *); 233 int lfs_close (void *); 234 int lfsspec_close(void *); 235 int lfsfifo_close(void *); 236 int lfs_inactive (void *); 237 int lfs_reclaim (void *); 238 int lfs_write (void *); 239 int lfs_getpages (void *); 240 int lfs_putpages (void *); 241 242 __END_DECLS 243 extern int lfs_mount_type; 244 extern int (**lfs_vnodeop_p)(void *); 245 extern int (**lfs_specop_p)(void *); 246 extern int (**lfs_fifoop_p)(void *); 247 extern struct genfs_ops lfs_genfsops; 248 249 #endif /* !_UFS_LFS_LFS_EXTERN_H_ */ 250
Indexes created Sat Sep 27 22:09:54 GMT 2025