ffs_extern.h revision 1.71
1 /* $NetBSD: ffs_extern.h,v 1.71 2008/11/06 22:31:08 joerg 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, 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 int ffs_valloc(struct vnode *, int, kauth_cred_t, struct vnode **); 95 daddr_t ffs_blkpref_ufs1(struct inode *, daddr_t, int, int, int32_t *); 96 daddr_t ffs_blkpref_ufs2(struct inode *, daddr_t, int, int, int64_t *); 97 int ffs_blkalloc(struct inode *, daddr_t, long); 98 void ffs_blkfree(struct fs *, struct vnode *, daddr_t, long, ino_t); 99 int ffs_vfree(struct vnode *, ino_t, int); 100 void ffs_clusteracct(struct fs *, struct cg *, int32_t, int); 101 int ffs_checkfreefile(struct fs *, struct vnode *, ino_t); 102 103 /* ffs_balloc.c */ 104 int ffs_balloc(struct vnode *, off_t, int, kauth_cred_t, int, 105 struct buf **); 106 107 /* ffs_inode.c */ 108 int ffs_update(struct vnode *, const struct timespec *, 109 const struct timespec *, int); 110 int ffs_truncate(struct vnode *, off_t, int, kauth_cred_t); 111 112 /* ffs_vfsops.c */ 113 VFS_PROTOS(ffs); 114 115 int ffs_reload(struct mount *, kauth_cred_t, struct lwp *); 116 int ffs_mountfs(struct vnode *, struct mount *, struct lwp *); 117 int ffs_flushfiles(struct mount *, int, struct lwp *); 118 int ffs_sbupdate(struct ufsmount *, int); 119 int ffs_cgupdate(struct ufsmount *, int); 120 121 /* ffs_vnops.c */ 122 int ffs_read(void *); 123 int ffs_write(void *); 124 int ffs_fsync(void *); 125 int ffs_reclaim(void *); 126 int ffs_getpages(void *); 127 void ffs_gop_size(struct vnode *, off_t, off_t *, int); 128 int ffs_openextattr(void *); 129 int ffs_closeextattr(void *); 130 int ffs_getextattr(void *); 131 int ffs_setextattr(void *); 132 int ffs_listextattr(void *); 133 int ffs_deleteextattr(void *); 134 int ffs_lock(void *); 135 int ffs_unlock(void *); 136 int ffs_islocked(void *); 137 int ffs_full_fsync(struct vnode *, int); 138 139 /* 140 * Snapshot function prototypes. 141 */ 142 int ffs_snapshot_init(struct ufsmount *); 143 void ffs_snapshot_fini(struct ufsmount *); 144 int ffs_snapblkfree(struct fs *, struct vnode *, daddr_t, long, ino_t); 145 void ffs_snapremove(struct vnode *); 146 int ffs_snapshot(struct mount *, struct vnode *, struct timespec *); 147 void ffs_snapshot_mount(struct mount *); 148 void ffs_snapshot_unmount(struct mount *); 149 void ffs_snapgone(struct inode *); 150 int ffs_snapshot_read(struct vnode *, struct uio *, int); 151 152 /* 153 * Soft dependency function prototypes. 154 */ 155 void softdep_initialize(void); 156 void softdep_reinitialize(void); 157 int softdep_mount(struct vnode *, struct mount *, struct fs *, 158 kauth_cred_t); 159 void softdep_unmount(struct mount *); 160 int softdep_flushworklist(struct mount *, int *, struct lwp *); 161 int softdep_flushfiles(struct mount *, int, struct lwp *); 162 void softdep_update_inodeblock(struct inode *, struct buf *, int); 163 void softdep_load_inodeblock(struct inode *); 164 void softdep_freefile(struct vnode *, ino_t, int); 165 void softdep_setup_freeblocks(struct inode *, off_t, int); 166 void softdep_setup_inomapdep(struct buf *, struct inode *, ino_t); 167 void softdep_setup_blkmapdep(struct buf *, struct fs *, daddr_t); 168 void softdep_setup_allocdirect(struct inode *, daddr_t, daddr_t, 169 daddr_t, long, long, struct buf *); 170 void softdep_setup_allocindir_meta(struct buf *, struct inode *, 171 struct buf *, int, daddr_t); 172 void softdep_setup_allocindir_page(struct inode *, daddr_t, 173 struct buf *, int, daddr_t, daddr_t, 174 struct buf *); 175 void softdep_fsync_mountdev(struct vnode *); 176 int softdep_sync_metadata(struct vnode *); 177 178 /* Write Ahead Physical Block Logging */ 179 void ffs_wapbl_verify_inodes(struct mount *, const char *); 180 void ffs_wapbl_replay_finish(struct mount *); 181 int ffs_wapbl_start(struct mount *); 182 int ffs_wapbl_stop(struct mount *, int); 183 int ffs_wapbl_replay_start(struct mount *, struct fs *, struct vnode *); 184 void ffs_wapbl_blkalloc(struct fs *, struct vnode *, daddr_t, int); 185 186 void ffs_wapbl_sync_metadata(struct mount *, daddr_t *, int *, int); 187 void ffs_wapbl_abort_sync_metadata(struct mount *, daddr_t *, int *, int); 188 189 extern int (**ffs_vnodeop_p)(void *); 190 extern int (**ffs_specop_p)(void *); 191 extern int (**ffs_fifoop_p)(void *); 192 193 #endif /* defined(_KERNEL) */ 194 195 /* ffs_appleufs.c */ 196 struct appleufslabel; 197 u_int16_t ffs_appleufs_cksum(const struct appleufslabel *); 198 int ffs_appleufs_validate(const char*, const struct appleufslabel *, 199 struct appleufslabel *); 200 void ffs_appleufs_set(struct appleufslabel *, const char *, time_t, 201 uint64_t); 202 203 /* ffs_bswap.c */ 204 void ffs_sb_swap(struct fs*, struct fs *); 205 void ffs_dinode1_swap(struct ufs1_dinode *, struct ufs1_dinode *); 206 void ffs_dinode2_swap(struct ufs2_dinode *, struct ufs2_dinode *); 207 struct csum; 208 void ffs_csum_swap(struct csum *, struct csum *, int); 209 struct csum_total; 210 void ffs_csumtotal_swap(struct csum_total *, struct csum_total *); 211 void ffs_cg_swap(struct cg *, struct cg *, struct fs *); 212 213 /* ffs_subr.c */ 214 #if defined(_KERNEL) 215 void ffs_load_inode(struct buf *, struct inode *, struct fs *, ino_t); 216 int ffs_getblk(struct vnode *, daddr_t, daddr_t, int, bool, buf_t **); 217 #endif /* defined(_KERNEL) */ 218 int ffs_freefile(struct fs *, struct vnode *, ino_t, int); 219 void ffs_fragacct(struct fs *, int, int32_t[], int, int); 220 int ffs_isblock(struct fs *, u_char *, int32_t); 221 int ffs_isfreeblock(struct fs *, u_char *, int32_t); 222 void ffs_clrblock(struct fs *, u_char *, int32_t); 223 void ffs_setblock(struct fs *, u_char *, int32_t); 224 void ffs_itimes(struct inode *, const struct timespec *, 225 const struct timespec *, const struct timespec *); 226 227 __END_DECLS 228 229 #endif /* !_UFS_FFS_FFS_EXTERN_H_ */ 230
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