ffs_extern.h revision 1.12.14.1
1 /* $NetBSD: ffs_extern.h,v 1.12.14.1 1999/12/27 18:36:37 wrstuden 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 /* 39 * Sysctl values for the fast filesystem. 40 */ 41 #define FFS_CLUSTERREAD 1 /* cluster reading enabled */ 42 #define FFS_CLUSTERWRITE 2 /* cluster writing enabled */ 43 #define FFS_REALLOCBLKS 3 /* block reallocation enabled */ 44 #define FFS_ASYNCFREE 4 /* asynchronous block freeing enabled */ 45 #define FFS_MAXID 5 /* 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 } 54 55 struct buf; 56 struct fid; 57 struct fs; 58 struct inode; 59 struct dinode; 60 struct mount; 61 struct nameidata; 62 struct proc; 63 struct statfs; 64 struct timeval; 65 struct ucred; 66 struct ufsmount; 67 struct uio; 68 struct vnode; 69 struct mbuf; 70 struct cg; 71 72 extern struct pool ffs_inode_pool; /* memory pool for inodes */ 73 74 __BEGIN_DECLS 75 76 /* ffs_alloc.c */ 77 int ffs_alloc __P((struct inode *, ufs_daddr_t, ufs_daddr_t , int, struct ucred *, 78 ufs_daddr_t *)); 79 int ffs_realloccg __P((struct inode *, ufs_daddr_t, ufs_daddr_t, int, int , 80 struct ucred *, struct buf **)); 81 int ffs_reallocblks __P((void *)); 82 int ffs_valloc __P((void *)); 83 ufs_daddr_t ffs_blkpref __P((struct inode *, ufs_daddr_t, int, ufs_daddr_t *)); 84 void ffs_blkfree __P((struct inode *, ufs_daddr_t, long)); 85 int ffs_vfree __P((void *)); 86 void ffs_clusteracct __P((struct fs *, struct cg *, ufs_daddr_t, int)); 87 88 /* ffs_balloc.c */ 89 int ffs_balloc __P((void *)); 90 91 /* ffs_bswap.c */ 92 void ffs_sb_swap __P((struct fs*, struct fs *, int)); 93 void ffs_dinode_swap __P((struct dinode *, struct dinode *)); 94 void ffs_csum_swap __P((struct csum *, struct csum *, int)); 95 96 /* ffs_inode.c */ 97 void ffs_init __P((void)); 98 int ffs_update __P((void *)); 99 int ffs_truncate __P((void *)); 100 101 /* ffs_subr.c */ 102 int ffs_blkatoff __P((void *)); 103 int ffs_freefile __P((void *)); 104 void ffs_fragacct __P((struct fs *, int, int32_t[], int, int)); 105 #ifdef DIAGNOSTIC 106 void ffs_checkoverlap __P((struct buf *, struct inode *)); 107 #endif 108 int ffs_isblock __P((struct fs *, unsigned char *, ufs_daddr_t)); 109 int ffs_isfreeblock __P((struct fs *, unsigned char *, ufs_daddr_t)); 110 void ffs_clrblock __P((struct fs *, u_char *, ufs_daddr_t)); 111 void ffs_setblock __P((struct fs *, unsigned char *, ufs_daddr_t)); 112 113 /* ffs_vfsops.c */ 114 int ffs_mountroot __P((void)); 115 int ffs_mount __P((struct mount *, const char *, void *, struct nameidata *, 116 struct proc *)); 117 int ffs_reload __P((struct mount *, struct ucred *, struct proc *)); 118 int ffs_mountfs __P((struct vnode *, struct mount *, struct proc *)); 119 int ffs_oldfscompat __P((struct fs *)); 120 int ffs_unmount __P((struct mount *, int, struct proc *)); 121 int ffs_flushfiles __P((struct mount *, int, struct proc *)); 122 int ffs_statfs __P((struct mount *, struct statfs *, struct proc *)); 123 int ffs_sync __P((struct mount *, int, struct ucred *, struct proc *)); 124 int ffs_vget __P((struct mount *, ino_t, struct vnode **)); 125 int ffs_fhtovp __P((struct mount *, struct fid *, struct vnode **)); 126 int ffs_vptofh __P((struct vnode *, struct fid *)); 127 int ffs_sysctl __P((int *, u_int, void *, size_t *, void *, size_t, 128 struct proc *)); 129 int ffs_sbupdate __P((struct ufsmount *, int)); 130 int ffs_cgupdate __P((struct ufsmount *, int)); 131 132 /* ffs_vnops.c */ 133 int ffs_read __P((void *)); 134 int ffs_write __P((void *)); 135 int ffs_fsync __P((void *)); 136 int ffs_reclaim __P((void *)); 137 __END_DECLS 138 139 140 /* 141 * Soft dependency function prototypes. 142 */ 143 void softdep_initialize __P((void)); 144 int softdep_process_worklist __P((struct mount *)); 145 int softdep_mount __P((struct vnode *, struct mount *, struct fs *, 146 struct ucred *)); 147 int softdep_flushfiles __P((struct mount *, int, struct proc *)); 148 void softdep_update_inodeblock __P((struct inode *, struct buf *, int)); 149 void softdep_load_inodeblock __P((struct inode *)); 150 int softdep_fsync __P((struct vnode *)); 151 void softdep_freefile __P((void *)); 152 void softdep_setup_freeblocks __P((struct inode *, off_t)); 153 void softdep_deallocate_dependencies __P((struct buf *)); 154 void softdep_setup_inomapdep __P((struct buf *, struct inode *, ino_t)); 155 void softdep_setup_blkmapdep __P((struct buf *, struct fs *, ufs_daddr_t)); 156 void softdep_setup_allocdirect __P((struct inode *, ufs_lbn_t, ufs_daddr_t, 157 ufs_daddr_t, long, long, struct buf *)); 158 void softdep_setup_allocindir_meta __P((struct buf *, struct inode *, 159 struct buf *, int, ufs_daddr_t)); 160 void softdep_setup_allocindir_page __P((struct inode *, ufs_lbn_t, 161 struct buf *, int, ufs_daddr_t, ufs_daddr_t, struct buf *)); 162 void softdep_disk_io_initiation __P((struct buf *)); 163 void softdep_disk_write_complete __P((struct buf *)); 164 void softdep_fsync_mountdev __P((struct vnode *)); 165 int softdep_sync_metadata __P((void *)); 166 167 extern int (**ffs_vnodeop_p) __P((void *)); 168 extern int (**ffs_specop_p) __P((void *)); 169 extern int (**ffs_fifoop_p) __P((void *)); 170 171 172
Indexes created Sun Oct 19 02:09:48 GMT 2025