ffs_extern.h revision 1.65.2.1
1 /* $NetBSD: ffs_extern.h,v 1.65.2.1 2008/06/10 14:51:23 simonb 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 /* 38 * Sysctl values for the fast filesystem. 39 */ 40 #define FFS_CLUSTERREAD 1 /* cluster reading enabled */ 41 #define FFS_CLUSTERWRITE 2 /* cluster writing enabled */ 42 #define FFS_REALLOCBLKS 3 /* block reallocation enabled */ 43 #define FFS_ASYNCFREE 4 /* asynchronous block freeing enabled */ 44 #define FFS_LOG_CHANGEOPT 5 /* log optimalization strategy change */ 45 #define FFS_MAXID 6 /* number of valid ffs ids */ 46 47 struct buf; 48 struct fid; 49 struct fs; 50 struct inode; 51 struct ufs1_dinode; 52 struct ufs2_dinode; 53 struct mount; 54 struct nameidata; 55 struct lwp; 56 struct statvfs; 57 struct timeval; 58 struct timespec; 59 struct ufsmount; 60 struct uio; 61 struct vnode; 62 struct mbuf; 63 struct cg; 64 65 #if defined(_KERNEL) 66 67 #include <sys/pool.h> 68 69 #define FFS_NOBLK ((daddr_t)-1) 70 71 #define FFS_ITIMES(ip, acc, mod, cre) \ 72 while ((ip)->i_flag & (IN_ACCESS | IN_CHANGE | IN_UPDATE | IN_MODIFY)) \ 73 ffs_itimes(ip, acc, mod, cre) 74 75 extern pool_cache_t ffs_inode_cache; /* memory pool for inodes */ 76 extern pool_cache_t ffs_dinode1_cache; /* memory pool for UFS1 dinodes */ 77 extern pool_cache_t ffs_dinode2_cache; /* memory pool for UFS2 dinodes */ 78 79 #endif /* defined(_KERNEL) */ 80 81 __BEGIN_DECLS 82 83 #if defined(_KERNEL) 84 85 #include <sys/param.h> 86 #include <sys/mount.h> 87 #include <sys/wapbl.h> 88 89 /* ffs_alloc.c */ 90 int ffs_alloc(struct inode *, daddr_t, daddr_t , int, kauth_cred_t, 91 daddr_t *); 92 int ffs_realloccg(struct inode *, daddr_t, daddr_t, int, int , 93 kauth_cred_t, struct buf **, daddr_t *); 94 #if 0 95 int ffs_reallocblks(void *); 96 #endif 97 int ffs_valloc(struct vnode *, int, kauth_cred_t, struct vnode **); 98 daddr_t ffs_blkpref_ufs1(struct inode *, daddr_t, int, int32_t *); 99 daddr_t ffs_blkpref_ufs2(struct inode *, daddr_t, int, int64_t *); 100 int ffs_blkalloc(struct inode *, daddr_t, long); 101 void ffs_blkfree(struct fs *, struct vnode *, daddr_t, long, ino_t); 102 int ffs_vfree(struct vnode *, ino_t, int); 103 void ffs_clusteracct(struct fs *, struct cg *, int32_t, int); 104 int ffs_checkfreefile(struct fs *, struct vnode *, ino_t); 105 106 /* ffs_balloc.c */ 107 int ffs_balloc(struct vnode *, off_t, int, kauth_cred_t, int, 108 struct buf **); 109 110 /* ffs_inode.c */ 111 int ffs_update(struct vnode *, const struct timespec *, 112 const struct timespec *, int); 113 int ffs_truncate(struct vnode *, off_t, int, kauth_cred_t); 114 115 /* ffs_vfsops.c */ 116 VFS_PROTOS(ffs); 117 118 int ffs_reload(struct mount *, kauth_cred_t, struct lwp *); 119 int ffs_mountfs(struct vnode *, struct mount *, struct lwp *); 120 int ffs_flushfiles(struct mount *, int, struct lwp *); 121 int ffs_sbupdate(struct ufsmount *, int); 122 int ffs_cgupdate(struct ufsmount *, int); 123 124 /* ffs_vnops.c */ 125 int ffs_read(void *); 126 int ffs_write(void *); 127 int ffs_fsync(void *); 128 int ffs_reclaim(void *); 129 int ffs_getpages(void *); 130 void ffs_gop_size(struct vnode *, off_t, off_t *, int); 131 int ffs_openextattr(void *); 132 int ffs_closeextattr(void *); 133 int ffs_getextattr(void *); 134 int ffs_setextattr(void *); 135 int ffs_listextattr(void *); 136 int ffs_deleteextattr(void *); 137 int ffs_lock(void *); 138 int ffs_unlock(void *); 139 int ffs_islocked(void *); 140 int ffs_full_fsync(struct vnode *, int); 141 142 #ifdef SYSCTL_SETUP_PROTO 143 SYSCTL_SETUP_PROTO(sysctl_vfs_ffs_setup); 144 #endif /* SYSCTL_SETUP_PROTO */ 145 146 /* 147 * Snapshot function prototypes. 148 */ 149 int ffs_snapshot_init(struct ufsmount *); 150 void ffs_snapshot_fini(struct ufsmount *); 151 int ffs_snapblkfree(struct fs *, struct vnode *, daddr_t, long, ino_t); 152 void ffs_snapremove(struct vnode *); 153 int ffs_snapshot(struct mount *, struct vnode *, struct timespec *); 154 void ffs_snapshot_mount(struct mount *); 155 void ffs_snapshot_unmount(struct mount *); 156 void ffs_snapgone(struct inode *); 157 158 /* 159 * Soft dependency function prototypes. 160 */ 161 void softdep_initialize(void); 162 void softdep_reinitialize(void); 163 int softdep_mount(struct vnode *, struct mount *, struct fs *, 164 kauth_cred_t); 165 void softdep_unmount(struct mount *); 166 int softdep_flushworklist(struct mount *, int *, struct lwp *); 167 int softdep_flushfiles(struct mount *, int, struct lwp *); 168 void softdep_update_inodeblock(struct inode *, struct buf *, int); 169 void softdep_load_inodeblock(struct inode *); 170 void softdep_freefile(struct vnode *, ino_t, int); 171 void softdep_setup_freeblocks(struct inode *, off_t, int); 172 void softdep_setup_inomapdep(struct buf *, struct inode *, ino_t); 173 void softdep_setup_blkmapdep(struct buf *, struct fs *, daddr_t); 174 void softdep_setup_allocdirect(struct inode *, daddr_t, daddr_t, 175 daddr_t, long, long, struct buf *); 176 void softdep_setup_allocindir_meta(struct buf *, struct inode *, 177 struct buf *, int, daddr_t); 178 void softdep_setup_allocindir_page(struct inode *, daddr_t, 179 struct buf *, int, daddr_t, daddr_t, 180 struct buf *); 181 void softdep_fsync_mountdev(struct vnode *); 182 int softdep_sync_metadata(struct vnode *); 183 184 /* Write Ahead Physical Block Logging */ 185 void ffs_wapbl_verify_inodes(struct mount *, const char *); 186 void ffs_wapbl_replay_finish(struct mount *); 187 int ffs_wapbl_start(struct mount *); 188 int ffs_wapbl_stop(struct mount *, int); 189 int ffs_wapbl_replay_start(struct mount *, struct fs *, struct vnode *); 190 void ffs_wapbl_blkalloc(struct fs *, struct vnode *, daddr_t, int); 191 192 void ffs_wapbl_sync_metadata(struct mount *, daddr_t *, int *, int); 193 void ffs_wapbl_abort_sync_metadata(struct mount *, daddr_t *, int *, int); 194 195 extern int (**ffs_vnodeop_p)(void *); 196 extern int (**ffs_specop_p)(void *); 197 extern int (**ffs_fifoop_p)(void *); 198 199 #endif /* defined(_KERNEL) */ 200 201 /* ffs_appleufs.c */ 202 struct appleufslabel; 203 u_int16_t ffs_appleufs_cksum(const struct appleufslabel *); 204 int ffs_appleufs_validate(const char*, const struct appleufslabel *, 205 struct appleufslabel *); 206 void ffs_appleufs_set(struct appleufslabel *, const char *, time_t, 207 uint64_t); 208 209 /* ffs_bswap.c */ 210 void ffs_sb_swap(struct fs*, struct fs *); 211 void ffs_dinode1_swap(struct ufs1_dinode *, struct ufs1_dinode *); 212 void ffs_dinode2_swap(struct ufs2_dinode *, struct ufs2_dinode *); 213 struct csum; 214 void ffs_csum_swap(struct csum *, struct csum *, int); 215 struct csum_total; 216 void ffs_csumtotal_swap(struct csum_total *, struct csum_total *); 217 void ffs_cg_swap(struct cg *, struct cg *, struct fs *); 218 219 /* ffs_subr.c */ 220 #if defined(_KERNEL) 221 void ffs_load_inode(struct buf *, struct inode *, struct fs *, ino_t); 222 int ffs_getblk(struct vnode *, daddr_t, daddr_t, int, bool, buf_t **); 223 #endif /* defined(_KERNEL) */ 224 int ffs_freefile(struct fs *, struct vnode *, ino_t, int); 225 void ffs_fragacct(struct fs *, int, int32_t[], int, int); 226 int ffs_isblock(struct fs *, u_char *, int32_t); 227 int ffs_isfreeblock(struct fs *, u_char *, int32_t); 228 void ffs_clrblock(struct fs *, u_char *, int32_t); 229 void ffs_setblock(struct fs *, u_char *, int32_t); 230 void ffs_itimes(struct inode *, const struct timespec *, 231 const struct timespec *, const struct timespec *); 232 233 __END_DECLS 234 235 #endif /* !_UFS_FFS_FFS_EXTERN_H_ */ 236
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