lfs_extern.h revision 1.93
1 /* $NetBSD: lfs_extern.h,v 1.93 2007/12/08 19:29:55 pooka Exp $ */ 2 3 /*- 4 * Copyright (c) 1999, 2000, 2001, 2002, 2003 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. Neither the name of the University nor the names of its contributors 51 * may be used to endorse or promote products derived from this software 52 * without specific prior written permission. 53 * 54 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 55 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 56 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 57 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 58 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 59 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 60 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 61 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 62 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 63 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 64 * SUCH DAMAGE. 65 * 66 * @(#)lfs_extern.h 8.6 (Berkeley) 5/8/95 67 */ 68 69 #ifndef _UFS_LFS_LFS_EXTERN_H_ 70 #define _UFS_LFS_LFS_EXTERN_H_ 71 72 #ifdef _KERNEL 73 #include <sys/mallocvar.h> 74 75 MALLOC_DECLARE(M_SEGMENT); 76 #endif 77 78 /* Copied from ext2fs for ITIMES. XXX This is a bogus use of v_tag. */ 79 #define IS_LFS_VNODE(vp) (vp->v_tag == VT_LFS) 80 81 /* 82 * Sysctl values for LFS. 83 */ 84 #define LFS_WRITEINDIR 1 /* flush indirect blocks on non-checkpoint writes */ 85 #define LFS_CLEAN_VNHEAD 2 /* put prev unrefed cleaned vnodes on head of free list */ 86 #define LFS_DOSTATS 3 87 #define LFS_MAXPAGES 4 88 #define LFS_FS_PAGETRIP 5 89 #define LFS_STATS 6 90 #define LFS_DO_RFW 7 91 #define LFS_DEBUGLOG 8 92 #define LFS_IGNORE_LAZY_SYNC 9 93 #define LFS_MAXID 10 94 95 struct fid; 96 struct mount; 97 struct nameidata; 98 struct proc; 99 struct statvfs; 100 struct timeval; 101 struct inode; 102 struct uio; 103 struct mbuf; 104 struct ufs1_dinode; 105 struct buf; 106 struct vnode; 107 struct dlfs; 108 struct lfs; 109 struct segment; 110 struct block_info; 111 112 #if defined(_KERNEL) 113 114 extern int lfs_allclean_wakeup; 115 extern struct pool lfs_inode_pool; /* memory pool for inodes */ 116 extern struct pool lfs_dinode_pool; /* memory pool for dinodes */ 117 extern struct pool lfs_inoext_pool; /* memory pool for inode extension */ 118 extern struct pool lfs_lbnentry_pool; /* memory pool for balloc accounting */ 119 120 extern int locked_queue_count; 121 extern long locked_queue_bytes; 122 extern int lfs_subsys_pages; 123 extern int lfs_dirvcount; 124 extern struct simplelock lfs_subsys_lock; 125 extern int lfs_debug_log_subsys[]; 126 127 __BEGIN_DECLS 128 /* lfs_alloc.c */ 129 void lfs_vcreate(struct mount *, ino_t, struct vnode *); 130 int lfs_valloc(struct vnode *, int, kauth_cred_t, struct vnode **); 131 int lfs_vfree(struct vnode *, ino_t, int); 132 void lfs_order_freelist(struct lfs *); 133 int lfs_extend_ifile(struct lfs *, kauth_cred_t); 134 int lfs_ialloc(struct lfs *, struct vnode *, ino_t, int, struct vnode **); 135 void lfs_orphan(struct lfs *, ino_t); 136 137 /* lfs_balloc.c */ 138 int lfs_balloc(struct vnode *, off_t, int, kauth_cred_t, int, struct buf **); 139 void lfs_register_block(struct vnode *, daddr_t); 140 void lfs_deregister_block(struct vnode *, daddr_t); 141 void lfs_deregister_all(struct vnode *); 142 143 /* lfs_bio.c */ 144 int lfs_availwait(struct lfs *, int); 145 int lfs_bwrite_ext(struct buf *, int); 146 int lfs_fits(struct lfs *, int); 147 void lfs_flush_fs(struct lfs *, int); 148 void lfs_flush(struct lfs *, int, int); 149 int lfs_check(struct vnode *, daddr_t, int); 150 void lfs_freebuf(struct lfs *, struct buf *); 151 struct buf *lfs_newbuf(struct lfs *, struct vnode *, daddr_t, size_t, int); 152 void lfs_countlocked(int *, long *, const char *); 153 int lfs_reserve(struct lfs *, struct vnode *, struct vnode *, int); 154 155 /* lfs_debug.c */ 156 #ifdef DEBUG 157 int lfs_bwrite_log(struct buf *, const char *, int); 158 void lfs_dumplog(void); 159 void lfs_dump_super(struct lfs *); 160 void lfs_dump_dinode(struct ufs1_dinode *); 161 void lfs_check_bpp(struct lfs *, struct segment *, char *, int); 162 void lfs_check_segsum(struct lfs *, struct segment *, char *, int); 163 void lfs_debug_log(int, const char *, ...); 164 #endif /* DEBUG */ 165 166 /* lfs_inode.c */ 167 int lfs_update(struct vnode *, const struct timespec *, const struct timespec *, 168 int); 169 int lfs_truncate(struct vnode *, off_t, int, kauth_cred_t); 170 struct ufs1_dinode *lfs_ifind(struct lfs *, ino_t, struct buf *); 171 void lfs_finalize_ino_seguse(struct lfs *, struct inode *); 172 void lfs_finalize_fs_seguse(struct lfs *); 173 174 /* lfs_rfw.c */ 175 int lfs_rf_valloc(struct lfs *, ino_t, int, struct lwp *, struct vnode **); 176 void lfs_roll_forward(struct lfs *, struct mount *, struct lwp *); 177 178 /* lfs_segment.c */ 179 void lfs_imtime(struct lfs *); 180 int lfs_vflush(struct vnode *); 181 int lfs_segwrite(struct mount *, int); 182 int lfs_writefile(struct lfs *, struct segment *, struct vnode *); 183 int lfs_writeinode(struct lfs *, struct segment *, struct inode *); 184 int lfs_gatherblock(struct segment *, struct buf *, int *); 185 int lfs_gather(struct lfs *, struct segment *, struct vnode *, int (*match )(struct lfs *, struct buf *)); 186 void lfs_update_single(struct lfs *, struct segment *, struct vnode *, 187 daddr_t, int32_t, int); 188 void lfs_updatemeta(struct segment *); 189 int lfs_rewind(struct lfs *, int); 190 void lfs_unset_inval_all(struct lfs *); 191 int lfs_initseg(struct lfs *); 192 int lfs_writeseg(struct lfs *, struct segment *); 193 void lfs_writesuper(struct lfs *, daddr_t); 194 int lfs_match_data(struct lfs *, struct buf *); 195 int lfs_match_indir(struct lfs *, struct buf *); 196 int lfs_match_dindir(struct lfs *, struct buf *); 197 int lfs_match_tindir(struct lfs *, struct buf *); 198 void lfs_callback(struct buf *); 199 int lfs_vref(struct vnode *); 200 void lfs_vunref(struct vnode *); 201 void lfs_vunref_head(struct vnode *); 202 void lfs_acquire_finfo(struct lfs *fs, ino_t, int); 203 void lfs_release_finfo(struct lfs *fs); 204 205 /* lfs_subr.c */ 206 void lfs_setup_resblks(struct lfs *); 207 void lfs_pad_check(unsigned char *, int, char *, int); 208 void lfs_free_resblks(struct lfs *); 209 void *lfs_malloc(struct lfs *, size_t, int); 210 void lfs_free(struct lfs *, void *, int); 211 int lfs_seglock(struct lfs *, unsigned long); 212 void lfs_segunlock(struct lfs *); 213 void lfs_segunlock_relock(struct lfs *); 214 int lfs_writer_enter(struct lfs *, const char *); 215 void lfs_writer_leave(struct lfs *); 216 void lfs_wakeup_cleaner(struct lfs *); 217 218 /* lfs_syscalls.c */ 219 int lfs_fastvget(struct mount *, ino_t, daddr_t, struct vnode **, struct ufs1_dinode *); 220 struct buf *lfs_fakebuf(struct lfs *, struct vnode *, int, size_t, void *); 221 int lfs_do_segclean(struct lfs *, unsigned long); 222 int lfs_segwait(fsid_t *, struct timeval *); 223 int lfs_bmapv(struct proc *, fsid_t *, struct block_info *, int); 224 int lfs_markv(struct proc *, fsid_t *, struct block_info *, int); 225 226 /* lfs_vfsops.c */ 227 void lfs_init(void); 228 void lfs_reinit(void); 229 void lfs_done(void); 230 int lfs_mountroot(void); 231 int lfs_mount(struct mount *, const char *, void *, size_t *); 232 int lfs_unmount(struct mount *, int); 233 int lfs_statvfs(struct mount *, struct statvfs *); 234 int lfs_sync(struct mount *, int, kauth_cred_t); 235 int lfs_vget(struct mount *, ino_t, struct vnode **); 236 int lfs_fhtovp(struct mount *, struct fid *, struct vnode **); 237 int lfs_vptofh(struct vnode *, struct fid *, size_t *); 238 void lfs_vinit(struct mount *, struct vnode **); 239 int lfs_resize_fs(struct lfs *, int); 240 241 /* lfs_vnops.c */ 242 void lfs_mark_vnode(struct vnode *); 243 void lfs_unmark_vnode(struct vnode *); 244 int lfs_gop_alloc(struct vnode *, off_t, off_t, int, kauth_cred_t); 245 void lfs_gop_size(struct vnode *, off_t, off_t *, int); 246 int lfs_putpages_ext(void *, int); 247 int lfs_gatherpages(struct vnode *); 248 void lfs_flush_dirops(struct lfs *); 249 void lfs_flush_pchain(struct lfs *); 250 251 int lfs_bwrite (void *); 252 int lfs_fsync (void *); 253 int lfs_symlink (void *); 254 int lfs_mknod (void *); 255 int lfs_create (void *); 256 int lfs_mkdir (void *); 257 int lfs_read (void *); 258 int lfs_remove (void *); 259 int lfs_rmdir (void *); 260 int lfs_link (void *); 261 int lfs_mmap (void *); 262 int lfs_rename (void *); 263 int lfs_getattr (void *); 264 int lfs_setattr (void *); 265 int lfs_close (void *); 266 int lfsspec_close(void *); 267 int lfsfifo_close(void *); 268 int lfs_fcntl (void *); 269 int lfs_inactive (void *); 270 int lfs_reclaim (void *); 271 int lfs_strategy (void *); 272 int lfs_write (void *); 273 int lfs_getpages (void *); 274 int lfs_putpages (void *); 275 276 #ifdef SYSCTL_SETUP_PROTO 277 SYSCTL_SETUP_PROTO(sysctl_vfs_lfs_setup); 278 #endif /* SYSCTL_SETUP_PROTO */ 279 280 extern int lfs_mount_type; 281 extern int (**lfs_vnodeop_p)(void *); 282 extern int (**lfs_specop_p)(void *); 283 extern int (**lfs_fifoop_p)(void *); 284 extern const struct genfs_ops lfs_genfsops; 285 286 #endif /* defined(_KERNEL) */ 287 288 /* lfs_cksum.c */ 289 u_int32_t cksum(void *, size_t); 290 u_int32_t lfs_cksum_part(void *, size_t, u_int32_t); 291 #define lfs_cksum_fold(sum) (sum) 292 u_int32_t lfs_sb_cksum(struct dlfs *); 293 294 __END_DECLS 295 296 #endif /* !_UFS_LFS_LFS_EXTERN_H_ */ 297
Indexes created Thu Sep 25 16:09:42 GMT 2025