ffs_extern.h revision 1.51.8.3
1 /* $NetBSD: ffs_extern.h,v 1.51.8.3 2006/04/18 15:57:54 elad Exp $ */ 2 3 /*- 4 * Copyright (c) 1991, 1993, 1994 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 * 31 * @(#)ffs_extern.h 8.6 (Berkeley) 3/30/95 32 */ 33 34 #ifndef _UFS_FFS_FFS_EXTERN_H_ 35 #define _UFS_FFS_FFS_EXTERN_H_ 36 37 #ifndef HAVE_NBTOOL_CONFIG_H 38 #include <sys/kauth.h> 39 #else 40 typedef void *kauth_cred_t; 41 #endif /* !HAVE_NBTOOL_CONFIG_H */ 42 43 /* 44 * Sysctl values for the fast filesystem. 45 */ 46 #define FFS_CLUSTERREAD 1 /* cluster reading enabled */ 47 #define FFS_CLUSTERWRITE 2 /* cluster writing enabled */ 48 #define FFS_REALLOCBLKS 3 /* block reallocation enabled */ 49 #define FFS_ASYNCFREE 4 /* asynchronous block freeing enabled */ 50 #define FFS_LOG_CHANGEOPT 5 /* log optimalization strategy change */ 51 #define FFS_MAXID 6 /* number of valid ffs ids */ 52 53 #define FFS_NAMES { \ 54 { 0, 0 }, \ 55 { "doclusterread", CTLTYPE_INT }, \ 56 { "doclusterwrite", CTLTYPE_INT }, \ 57 { "doreallocblks", CTLTYPE_INT }, \ 58 { "doasyncfree", CTLTYPE_INT }, \ 59 { "log_changeopt", CTLTYPE_INT }, \ 60 } 61 62 #define FFS_ITIMES(ip, acc, mod, cre) \ 63 while ((ip)->i_flag & (IN_ACCESS | IN_CHANGE | IN_UPDATE | IN_MODIFY)) \ 64 ffs_itimes(ip, acc, mod, cre) 65 66 struct buf; 67 struct fid; 68 struct fs; 69 struct inode; 70 struct ufs1_dinode; 71 struct ufs2_dinode; 72 struct mount; 73 struct nameidata; 74 struct lwp; 75 struct statvfs; 76 struct timeval; 77 struct timespec; 78 struct ucred; 79 struct ufsmount; 80 struct uio; 81 struct vnode; 82 struct mbuf; 83 struct cg; 84 85 extern struct pool ffs_inode_pool; /* memory pool for inodes */ 86 extern struct pool ffs_dinode1_pool; /* memory pool for UFS1 dinodes */ 87 extern struct pool ffs_dinode2_pool; /* memory pool for UFS2 dinodes */ 88 89 __BEGIN_DECLS 90 91 /* ffs_alloc.c */ 92 int ffs_alloc(struct inode *, daddr_t, daddr_t , int, kauth_cred_t, 93 daddr_t *); 94 int ffs_realloccg(struct inode *, daddr_t, daddr_t, int, int , 95 kauth_cred_t, struct buf **, daddr_t *); 96 #if 0 97 int ffs_reallocblks(void *); 98 #endif 99 int ffs_valloc(struct vnode *, int, kauth_cred_t, struct vnode **); 100 daddr_t ffs_blkpref_ufs1(struct inode *, daddr_t, int, int32_t *); 101 daddr_t ffs_blkpref_ufs2(struct inode *, daddr_t, int, int64_t *); 102 void ffs_blkfree(struct fs *, struct vnode *, daddr_t, long, ino_t); 103 int ffs_vfree(struct vnode *, ino_t, int); 104 void ffs_clusteracct(struct fs *, struct cg *, int32_t, int); 105 int ffs_checkfreefile(struct fs *, struct vnode *, ino_t); 106 107 /* ffs_balloc.c */ 108 int ffs_balloc(struct vnode *, off_t, int, kauth_cred_t, int, 109 struct buf **); 110 111 /* ffs_bswap.c */ 112 void ffs_sb_swap(struct fs*, struct fs *); 113 void ffs_dinode1_swap(struct ufs1_dinode *, struct ufs1_dinode *); 114 void ffs_dinode2_swap(struct ufs2_dinode *, struct ufs2_dinode *); 115 struct csum; 116 void ffs_csum_swap(struct csum *, struct csum *, int); 117 struct csum_total; 118 void ffs_csumtotal_swap(struct csum_total *, struct csum_total *); 119 void ffs_cg_swap(struct cg *, struct cg *, struct fs *); 120 121 /* ffs_inode.c */ 122 int ffs_update(struct vnode *, const struct timespec *, 123 const struct timespec *, int); 124 int ffs_truncate(struct vnode *, off_t, int, kauth_cred_t, struct lwp *); 125 126 /* ffs_subr.c */ 127 void ffs_load_inode(struct buf *, struct inode *, struct fs *, ino_t); 128 int ffs_freefile(struct fs *, struct vnode *, ino_t, int); 129 void ffs_fragacct(struct fs *, int, int32_t[], int, int); 130 int ffs_isblock(struct fs *, u_char *, int32_t); 131 int ffs_isfreeblock(struct fs *, u_char *, int32_t); 132 void ffs_clrblock(struct fs *, u_char *, int32_t); 133 void ffs_setblock(struct fs *, u_char *, int32_t); 134 void ffs_itimes(struct inode *, const struct timespec *, 135 const struct timespec *, const struct timespec *); 136 137 /* ffs_vfsops.c */ 138 void ffs_init(void); 139 void ffs_reinit(void); 140 void ffs_done(void); 141 int ffs_mountroot(void); 142 int ffs_mount(struct mount *, const char *, void *, struct nameidata *, 143 struct lwp *); 144 int ffs_reload(struct mount *, kauth_cred_t, struct lwp *); 145 int ffs_mountfs(struct vnode *, struct mount *, struct lwp *); 146 int ffs_unmount(struct mount *, int, struct lwp *); 147 int ffs_flushfiles(struct mount *, int, struct lwp *); 148 int ffs_statvfs(struct mount *, struct statvfs *, struct lwp *); 149 int ffs_sync(struct mount *, int, kauth_cred_t, struct lwp *); 150 int ffs_vget(struct mount *, ino_t, struct vnode **); 151 int ffs_fhtovp(struct mount *, struct fid *, struct vnode **); 152 int ffs_vptofh(struct vnode *, struct fid *); 153 int ffs_extattrctl(struct mount *, int, struct vnode *, int, 154 const char *, struct lwp *); 155 int ffs_sbupdate(struct ufsmount *, int); 156 int ffs_cgupdate(struct ufsmount *, int); 157 158 /* ffs_appleufs.c */ 159 struct appleufslabel; 160 u_int16_t ffs_appleufs_cksum(const struct appleufslabel *); 161 int ffs_appleufs_validate(const char*, const struct appleufslabel *, 162 struct appleufslabel *); 163 void ffs_appleufs_set(struct appleufslabel *, const char *, time_t, 164 uint64_t); 165 166 167 /* ffs_vnops.c */ 168 int ffs_read(void *); 169 int ffs_write(void *); 170 int ffs_fsync(void *); 171 int ffs_reclaim(void *); 172 int ffs_getpages(void *); 173 void ffs_gop_size(struct vnode *, off_t, off_t *, int); 174 int ffs_openextattr(void *); 175 int ffs_closeextattr(void *); 176 int ffs_getextattr(void *); 177 int ffs_setextattr(void *); 178 int ffs_listextattr(void *); 179 int ffs_deleteextattr(void *); 180 181 #ifdef SYSCTL_SETUP_PROTO 182 SYSCTL_SETUP_PROTO(sysctl_vfs_ffs_setup); 183 #endif /* SYSCTL_SETUP_PROTO */ 184 185 __END_DECLS 186 187 188 /* 189 * Snapshot function prototypes. 190 */ 191 int ffs_snapblkfree(struct fs *, struct vnode *, daddr_t, long, ino_t); 192 void ffs_snapremove(struct vnode *); 193 int ffs_snapshot(struct mount *, struct vnode *, struct timespec *); 194 void ffs_snapshot_mount(struct mount *); 195 void ffs_snapshot_unmount(struct mount *); 196 void ffs_snapgone(struct inode *); 197 198 /* 199 * Soft dependency function prototypes. 200 */ 201 void softdep_initialize(void); 202 void softdep_reinitialize(void); 203 int softdep_mount(struct vnode *, struct mount *, struct fs *, 204 kauth_cred_t); 205 int softdep_flushworklist(struct mount *, int *, struct lwp *); 206 int softdep_flushfiles(struct mount *, int, struct lwp *); 207 void softdep_update_inodeblock(struct inode *, struct buf *, int); 208 void softdep_load_inodeblock(struct inode *); 209 void softdep_freefile(struct vnode *, ino_t, int); 210 void softdep_setup_freeblocks(struct inode *, off_t, int); 211 void softdep_setup_inomapdep(struct buf *, struct inode *, ino_t); 212 void softdep_setup_blkmapdep(struct buf *, struct fs *, daddr_t); 213 void softdep_setup_allocdirect(struct inode *, daddr_t, daddr_t, 214 daddr_t, long, long, struct buf *); 215 void softdep_setup_allocindir_meta(struct buf *, struct inode *, 216 struct buf *, int, daddr_t); 217 void softdep_setup_allocindir_page(struct inode *, daddr_t, 218 struct buf *, int, daddr_t, daddr_t, 219 struct buf *); 220 void softdep_fsync_mountdev(struct vnode *); 221 int softdep_sync_metadata(void *); 222 223 extern int (**ffs_vnodeop_p)(void *); 224 extern int (**ffs_specop_p)(void *); 225 extern int (**ffs_fifoop_p)(void *); 226 227 #endif /* !_UFS_FFS_FFS_EXTERN_H_ */ 228
Indexes created Sun Oct 19 02:09:48 GMT 2025