ffs_extern.h revision 1.51
1 /* $NetBSD: ffs_extern.h,v 1.51 2006/01/14 17:41:16 yamt 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 #define FFS_NAMES { \ 48 { 0, 0 }, \ 49 { "doclusterread", CTLTYPE_INT }, \ 50 { "doclusterwrite", CTLTYPE_INT }, \ 51 { "doreallocblks", CTLTYPE_INT }, \ 52 { "doasyncfree", CTLTYPE_INT }, \ 53 { "log_changeopt", CTLTYPE_INT }, \ 54 } 55 56 #define FFS_ITIMES(ip, acc, mod, cre) \ 57 while ((ip)->i_flag & (IN_ACCESS | IN_CHANGE | IN_UPDATE | IN_MODIFY)) \ 58 ffs_itimes(ip, acc, mod, cre) 59 60 struct buf; 61 struct fid; 62 struct fs; 63 struct inode; 64 struct ufs1_dinode; 65 struct ufs2_dinode; 66 struct mount; 67 struct nameidata; 68 struct lwp; 69 struct statvfs; 70 struct timeval; 71 struct timespec; 72 struct ucred; 73 struct ufsmount; 74 struct uio; 75 struct vnode; 76 struct mbuf; 77 struct cg; 78 79 extern struct pool ffs_inode_pool; /* memory pool for inodes */ 80 extern struct pool ffs_dinode1_pool; /* memory pool for UFS1 dinodes */ 81 extern struct pool ffs_dinode2_pool; /* memory pool for UFS2 dinodes */ 82 83 __BEGIN_DECLS 84 85 /* ffs_alloc.c */ 86 int ffs_alloc(struct inode *, daddr_t, daddr_t , int, struct ucred *, 87 daddr_t *); 88 int ffs_realloccg(struct inode *, daddr_t, daddr_t, int, int , 89 struct ucred *, struct buf **, daddr_t *); 90 #if 0 91 int ffs_reallocblks(void *); 92 #endif 93 int ffs_valloc(struct vnode *, int, struct ucred *, struct vnode **); 94 daddr_t ffs_blkpref_ufs1(struct inode *, daddr_t, int, int32_t *); 95 daddr_t ffs_blkpref_ufs2(struct inode *, daddr_t, int, int64_t *); 96 void ffs_blkfree(struct fs *, struct vnode *, daddr_t, long, ino_t); 97 int ffs_vfree(struct vnode *, ino_t, int); 98 void ffs_clusteracct(struct fs *, struct cg *, int32_t, int); 99 int ffs_checkfreefile(struct fs *, struct vnode *, ino_t); 100 101 /* ffs_balloc.c */ 102 int ffs_balloc(struct vnode *, off_t, int, struct ucred *, int, 103 struct buf **); 104 105 /* ffs_bswap.c */ 106 void ffs_sb_swap(struct fs*, struct fs *); 107 void ffs_dinode1_swap(struct ufs1_dinode *, struct ufs1_dinode *); 108 void ffs_dinode2_swap(struct ufs2_dinode *, struct ufs2_dinode *); 109 struct csum; 110 void ffs_csum_swap(struct csum *, struct csum *, int); 111 struct csum_total; 112 void ffs_csumtotal_swap(struct csum_total *, struct csum_total *); 113 void ffs_cg_swap(struct cg *, struct cg *, struct fs *); 114 115 /* ffs_inode.c */ 116 int ffs_update(struct vnode *, const struct timespec *, 117 const struct timespec *, int); 118 int ffs_truncate(struct vnode *, off_t, int, struct ucred *, struct lwp *); 119 120 /* ffs_subr.c */ 121 void ffs_load_inode(struct buf *, struct inode *, struct fs *, ino_t); 122 int ffs_freefile(struct fs *, struct vnode *, ino_t, int); 123 void ffs_fragacct(struct fs *, int, int32_t[], int, int); 124 int ffs_isblock(struct fs *, u_char *, int32_t); 125 int ffs_isfreeblock(struct fs *, u_char *, int32_t); 126 void ffs_clrblock(struct fs *, u_char *, int32_t); 127 void ffs_setblock(struct fs *, u_char *, int32_t); 128 void ffs_itimes(struct inode *, const struct timespec *, 129 const struct timespec *, const struct timespec *); 130 131 /* ffs_vfsops.c */ 132 void ffs_init(void); 133 void ffs_reinit(void); 134 void ffs_done(void); 135 int ffs_mountroot(void); 136 int ffs_mount(struct mount *, const char *, void *, struct nameidata *, 137 struct lwp *); 138 int ffs_reload(struct mount *, struct ucred *, struct lwp *); 139 int ffs_mountfs(struct vnode *, struct mount *, struct lwp *); 140 int ffs_unmount(struct mount *, int, struct lwp *); 141 int ffs_flushfiles(struct mount *, int, struct lwp *); 142 int ffs_statvfs(struct mount *, struct statvfs *, struct lwp *); 143 int ffs_sync(struct mount *, int, struct ucred *, struct lwp *); 144 int ffs_vget(struct mount *, ino_t, struct vnode **); 145 int ffs_fhtovp(struct mount *, struct fid *, struct vnode **); 146 int ffs_vptofh(struct vnode *, struct fid *); 147 int ffs_extattrctl(struct mount *, int, struct vnode *, int, 148 const char *, struct lwp *); 149 int ffs_sbupdate(struct ufsmount *, int); 150 int ffs_cgupdate(struct ufsmount *, int); 151 152 /* ffs_appleufs.c */ 153 struct appleufslabel; 154 u_int16_t ffs_appleufs_cksum(const struct appleufslabel *); 155 int ffs_appleufs_validate(const char*, const struct appleufslabel *, 156 struct appleufslabel *); 157 void ffs_appleufs_set(struct appleufslabel *, const char *, time_t, 158 uint64_t); 159 160 161 /* ffs_vnops.c */ 162 int ffs_read(void *); 163 int ffs_write(void *); 164 int ffs_fsync(void *); 165 int ffs_reclaim(void *); 166 int ffs_getpages(void *); 167 void ffs_gop_size(struct vnode *, off_t, off_t *, int); 168 int ffs_openextattr(void *); 169 int ffs_closeextattr(void *); 170 int ffs_getextattr(void *); 171 int ffs_setextattr(void *); 172 int ffs_listextattr(void *); 173 int ffs_deleteextattr(void *); 174 175 #ifdef SYSCTL_SETUP_PROTO 176 SYSCTL_SETUP_PROTO(sysctl_vfs_ffs_setup); 177 #endif /* SYSCTL_SETUP_PROTO */ 178 179 __END_DECLS 180 181 182 /* 183 * Snapshot function prototypes. 184 */ 185 int ffs_snapblkfree(struct fs *, struct vnode *, daddr_t, long, ino_t); 186 void ffs_snapremove(struct vnode *); 187 int ffs_snapshot(struct mount *, struct vnode *, struct timespec *); 188 void ffs_snapshot_mount(struct mount *); 189 void ffs_snapshot_unmount(struct mount *); 190 void ffs_snapgone(struct inode *); 191 192 /* 193 * Soft dependency function prototypes. 194 */ 195 void softdep_initialize(void); 196 void softdep_reinitialize(void); 197 int softdep_mount(struct vnode *, struct mount *, struct fs *, 198 struct ucred *); 199 int softdep_flushworklist(struct mount *, int *, struct lwp *); 200 int softdep_flushfiles(struct mount *, int, struct lwp *); 201 void softdep_update_inodeblock(struct inode *, struct buf *, int); 202 void softdep_load_inodeblock(struct inode *); 203 void softdep_freefile(struct vnode *, ino_t, int); 204 void softdep_setup_freeblocks(struct inode *, off_t, int); 205 void softdep_setup_inomapdep(struct buf *, struct inode *, ino_t); 206 void softdep_setup_blkmapdep(struct buf *, struct fs *, daddr_t); 207 void softdep_setup_allocdirect(struct inode *, daddr_t, daddr_t, 208 daddr_t, long, long, struct buf *); 209 void softdep_setup_allocindir_meta(struct buf *, struct inode *, 210 struct buf *, int, daddr_t); 211 void softdep_setup_allocindir_page(struct inode *, daddr_t, 212 struct buf *, int, daddr_t, daddr_t, 213 struct buf *); 214 void softdep_fsync_mountdev(struct vnode *); 215 int softdep_sync_metadata(void *); 216 217 extern int (**ffs_vnodeop_p)(void *); 218 extern int (**ffs_specop_p)(void *); 219 extern int (**ffs_fifoop_p)(void *); 220 221 #endif /* !_UFS_FFS_FFS_EXTERN_H_ */ 222
Indexes created Sun Oct 19 02:09:48 GMT 2025