ffs_extern.h revision 1.29
1 /* $NetBSD: ffs_extern.h,v 1.29 2003/06/28 14:22:25 darrenr 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. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the University of 18 * California, Berkeley and its contributors. 19 * 4. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 * 35 * @(#)ffs_extern.h 8.6 (Berkeley) 3/30/95 36 */ 37 38 #ifndef _UFS_FFS_FFS_EXTERN_H_ 39 #define _UFS_FFS_FFS_EXTERN_H_ 40 41 /* 42 * Sysctl values for the fast filesystem. 43 */ 44 #define FFS_CLUSTERREAD 1 /* cluster reading enabled */ 45 #define FFS_CLUSTERWRITE 2 /* cluster writing enabled */ 46 #define FFS_REALLOCBLKS 3 /* block reallocation enabled */ 47 #define FFS_ASYNCFREE 4 /* asynchronous block freeing enabled */ 48 #define FFS_LOG_CHANGEOPT 5 /* log optimalization strategy change */ 49 #define FFS_MAXID 6 /* number of valid ffs ids */ 50 51 #define FFS_NAMES { \ 52 { 0, 0 }, \ 53 { "doclusterread", CTLTYPE_INT }, \ 54 { "doclusterwrite", CTLTYPE_INT }, \ 55 { "doreallocblks", CTLTYPE_INT }, \ 56 { "doasyncfree", CTLTYPE_INT }, \ 57 { "log_changeopt", CTLTYPE_INT }, \ 58 } 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 proc; 69 struct statfs; 70 struct timeval; 71 struct ucred; 72 struct ufsmount; 73 struct uio; 74 struct vnode; 75 struct mbuf; 76 struct cg; 77 78 extern struct pool ffs_inode_pool; /* memory pool for inodes */ 79 extern struct pool ffs_dinode1_pool; /* memory pool for UFS1 dinodes */ 80 extern struct pool ffs_dinode2_pool; /* memory pool for UFS2 dinodes */ 81 82 __BEGIN_DECLS 83 84 /* ffs_alloc.c */ 85 int ffs_alloc __P((struct inode *, daddr_t, daddr_t , int, struct ucred *, 86 daddr_t *)); 87 int ffs_realloccg __P((struct inode *, daddr_t, daddr_t, int, int , 88 struct ucred *, struct buf **, daddr_t *)); 89 int ffs_reallocblks __P((void *)); 90 int ffs_valloc __P((void *)); 91 daddr_t ffs_blkpref_ufs1 __P((struct inode *, daddr_t, int, int32_t *)); 92 daddr_t ffs_blkpref_ufs2 __P((struct inode *, daddr_t, int, int64_t *)); 93 void ffs_blkfree __P((struct inode *, daddr_t, long)); 94 int ffs_vfree __P((void *)); 95 void ffs_clusteracct __P((struct fs *, struct cg *, int32_t, int)); 96 97 /* ffs_balloc.c */ 98 int ffs_balloc __P((void *)); 99 100 /* ffs_bswap.c */ 101 void ffs_sb_swap __P((struct fs*, struct fs *)); 102 void ffs_dinode1_swap __P((struct ufs1_dinode *, struct ufs1_dinode *)); 103 void ffs_dinode2_swap __P((struct ufs2_dinode *, struct ufs2_dinode *)); 104 void ffs_csum_swap __P((struct csum *, struct csum *, int)); 105 void ffs_csumtotal_swap __P((struct csum_total *, struct csum_total *)); 106 void ffs_cg_swap __P((struct cg *, struct cg *, struct fs *)); 107 108 /* ffs_inode.c */ 109 int ffs_update __P((void *)); 110 int ffs_truncate __P((void *)); 111 112 /* ffs_subr.c */ 113 void ffs_load_inode __P((struct buf *, struct inode *, struct fs *, ino_t)); 114 int ffs_blkatoff __P((void *)); 115 int ffs_freefile __P((void *)); 116 void ffs_fragacct __P((struct fs *, int, int32_t[], int, int)); 117 #ifdef DIAGNOSTIC 118 void ffs_checkoverlap __P((struct buf *, struct inode *)); 119 #endif 120 int ffs_isblock __P((struct fs *, u_char *, int32_t)); 121 int ffs_isfreeblock __P((struct fs *, u_char *, int32_t)); 122 void ffs_clrblock __P((struct fs *, u_char *, int32_t)); 123 void ffs_setblock __P((struct fs *, u_char *, int32_t)); 124 125 /* ffs_vfsops.c */ 126 void ffs_init __P((void)); 127 void ffs_reinit __P((void)); 128 void ffs_done __P((void)); 129 int ffs_mountroot __P((void)); 130 int ffs_mount __P((struct mount *, const char *, void *, struct nameidata *, 131 struct lwp *)); 132 int ffs_reload __P((struct mount *, struct ucred *, struct lwp *)); 133 int ffs_mountfs __P((struct vnode *, struct mount *, struct lwp *)); 134 int ffs_unmount __P((struct mount *, int, struct lwp *)); 135 int ffs_flushfiles __P((struct mount *, int, struct lwp *)); 136 int ffs_statfs __P((struct mount *, struct statfs *, struct lwp *)); 137 int ffs_sync __P((struct mount *, int, struct ucred *, struct lwp *)); 138 int ffs_vget __P((struct mount *, ino_t, struct vnode **, struct lwp *)); 139 int ffs_fhtovp __P((struct mount *, struct fid *, struct vnode **, struct lwp *)); 140 int ffs_vptofh __P((struct vnode *, struct fid *)); 141 int ffs_sysctl __P((int *, u_int, void *, size_t *, void *, size_t, 142 struct lwp *)); 143 int ffs_sbupdate __P((struct ufsmount *, int)); 144 int ffs_cgupdate __P((struct ufsmount *, int)); 145 146 /* ffs_appleufs.c */ 147 u_int16_t ffs_appleufs_cksum __P((const struct appleufslabel *)); 148 int ffs_appleufs_validate __P((const char*,const struct appleufslabel *,struct appleufslabel *)); 149 void ffs_appleufs_set __P((struct appleufslabel *, const char *, time_t)); 150 151 152 /* ffs_vnops.c */ 153 int ffs_read __P((void *)); 154 int ffs_write __P((void *)); 155 int ffs_fsync __P((void *)); 156 int ffs_reclaim __P((void *)); 157 int ffs_getpages __P((void *)); 158 int ffs_putpages __P((void *)); 159 void ffs_gop_size __P((struct vnode *, off_t, off_t *, int)); 160 __END_DECLS 161 162 163 /* 164 * Soft dependency function prototypes. 165 */ 166 void softdep_initialize __P((void)); 167 void softdep_reinitialize __P((void)); 168 int softdep_mount __P((struct vnode *, struct mount *, struct fs *, 169 struct ucred *)); 170 int softdep_flushfiles __P((struct mount *, int, struct lwp *)); 171 void softdep_update_inodeblock __P((struct inode *, struct buf *, int)); 172 void softdep_load_inodeblock __P((struct inode *)); 173 void softdep_freefile __P((void *)); 174 void softdep_setup_freeblocks __P((struct inode *, off_t, int)); 175 void softdep_setup_inomapdep __P((struct buf *, struct inode *, ino_t)); 176 void softdep_setup_blkmapdep __P((struct buf *, struct fs *, daddr_t)); 177 void softdep_setup_allocdirect __P((struct inode *, daddr_t, daddr_t, 178 daddr_t, long, long, struct buf *)); 179 void softdep_setup_allocindir_meta __P((struct buf *, struct inode *, 180 struct buf *, int, daddr_t)); 181 void softdep_setup_allocindir_page __P((struct inode *, daddr_t, 182 struct buf *, int, daddr_t, daddr_t, struct buf *)); 183 void softdep_fsync_mountdev __P((struct vnode *)); 184 int softdep_sync_metadata __P((void *)); 185 186 extern int (**ffs_vnodeop_p) __P((void *)); 187 extern int (**ffs_specop_p) __P((void *)); 188 extern int (**ffs_fifoop_p) __P((void *)); 189 190 #endif /* !_UFS_FFS_FFS_EXTERN_H_ */ 191
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