1 /* $OpenBSD: ffs_extern.h,v 1.7 1998/02/08 22:41:49 tholo Exp $ */ 2 /* $NetBSD: ffs_extern.h,v 1.4 1996/02/09 22:22:22 christos Exp $ */ 3 4 /*- 5 * Copyright (c) 1991, 1993, 1994 6 * The Regents of the University of California. All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by the University of 19 * California, Berkeley and its contributors. 20 * 4. Neither the name of the University nor the names of its contributors 21 * may be used to endorse or promote products derived from this software 22 * without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 * 36 * @(#)ffs_extern.h 8.3 (Berkeley) 4/16/94 37 */ 38 39 #define FFS_CLUSTERREAD 1 /* cluster reading enabled */ 40 #define FFS_CLUSTERWRITE 2 /* cluster writing enabled */ 41 #define FFS_REALLOCBLKS 3 /* block reallocation enabled */ 42 #define FFS_ASYNCFREE 4 /* asynchronous block freeing enabled */ 43 #define FFS_MAXID 5 /* number of valid ffs ids */ 44 45 #define FFS_NAMES { \ 46 { 0, 0 }, \ 47 { "doclusterread", CTLTYPE_INT }, \ 48 { "doclusterwrite", CTLTYPE_INT }, \ 49 { "doreallocblks", CTLTYPE_INT }, \ 50 { "doasyncfree", CTLTYPE_INT }, \ 51 } 52 53 54 struct buf; 55 struct fid; 56 struct fs; 57 struct inode; 58 struct mount; 59 struct nameidata; 60 struct proc; 61 struct statfs; 62 struct timeval; 63 struct ucred; 64 struct ufsmount; 65 struct vfsconf; 66 struct uio; 67 struct vnode; 68 struct mbuf; 69 struct cg; 70 struct vop_vfree_args; 71 72 __BEGIN_DECLS 73 74 /* ffs_alloc.c */ 75 int ffs_alloc __P((struct inode *, daddr_t, daddr_t , int, struct ucred *, 76 daddr_t *)); 77 int ffs_realloccg __P((struct inode *, daddr_t, daddr_t, int, int , 78 struct ucred *, struct buf **)); 79 int ffs_reallocblks __P((void *)); 80 int ffs_valloc __P((void *)); 81 daddr_t ffs_blkpref __P((struct inode *, daddr_t, int, daddr_t *)); 82 void ffs_blkfree __P((struct inode *, daddr_t, long)); 83 int ffs_vfree __P((void *)); 84 void ffs_clusteracct __P((struct fs *, struct cg *, daddr_t, int)); 85 86 /* ffs_balloc.c */ 87 int ffs_balloc __P((void *)); 88 89 /* ffs_inode.c */ 90 int ffs_init __P((struct vfsconf *)); 91 int ffs_update __P((void *)); 92 int ffs_truncate __P((void *)); 93 94 /* ffs_subr.c */ 95 int ffs_blkatoff __P((void *)); 96 void ffs_fragacct __P((struct fs *, int, int32_t[], int)); 97 #ifdef DIAGNOSTIC 98 void ffs_checkoverlap __P((struct buf *, struct inode *)); 99 #endif 100 int ffs_freefile __P((struct vop_vfree_args *)); 101 int ffs_isfreeblock __P((struct fs *, unsigned char *, daddr_t)); 102 int ffs_isblock __P((struct fs *, unsigned char *, daddr_t)); 103 void ffs_clrblock __P((struct fs *, u_char *, daddr_t)); 104 void ffs_setblock __P((struct fs *, unsigned char *, daddr_t)); 105 106 /* ffs_vfsops.c */ 107 int ffs_mountroot __P((void)); 108 int ffs_mount __P((struct mount *, const char *, caddr_t, struct nameidata *, 109 struct proc *)); 110 int ffs_reload __P((struct mount *, struct ucred *, struct proc *)); 111 int ffs_mountfs __P((struct vnode *, struct mount *, struct proc *)); 112 int ffs_oldfscompat __P((struct fs *)); 113 int ffs_unmount __P((struct mount *, int, struct proc *)); 114 int ffs_flushfiles __P((struct mount *, int, struct proc *)); 115 int ffs_statfs __P((struct mount *, struct statfs *, struct proc *)); 116 int ffs_sync __P((struct mount *, int, struct ucred *, struct proc *)); 117 int ffs_vget __P((struct mount *, ino_t, struct vnode **)); 118 int ffs_fhtovp __P((struct mount *, struct fid *, struct mbuf *, 119 struct vnode **, int *, struct ucred **)); 120 int ffs_vptofh __P((struct vnode *, struct fid *)); 121 int ffs_sysctl __P((int *, u_int, void *, size_t *, void *, size_t, 122 struct proc *)); 123 int ffs_sbupdate __P((struct ufsmount *, int)); 124 int ffs_cgupdate __P((struct ufsmount *, int)); 125 126 /* ffs_vnops.c */ 127 int ffs_read __P((void *)); 128 int ffs_write __P((void *)); 129 int ffs_fsync __P((void *)); 130 int ffs_reclaim __P((void *)); 131 132 133 /* 134 * Soft dependency function prototypes. 135 */ 136 137 struct vop_vfree_args; 138 struct vop_fsync_args; 139 140 void softdep_initialize __P((void)); 141 int softdep_process_worklist __P((struct mount *)); 142 int softdep_mount __P((struct vnode *, struct mount *, struct fs *, 143 struct ucred *)); 144 int softdep_flushfiles __P((struct mount *, int, struct proc *)); 145 void softdep_update_inodeblock __P((struct inode *, struct buf *, int)); 146 void softdep_load_inodeblock __P((struct inode *)); 147 int softdep_fsync __P((struct vnode *)); 148 void softdep_freefile __P((struct vop_vfree_args *)); 149 void softdep_setup_freeblocks __P((struct inode *, off_t)); 150 void softdep_deallocate_dependencies __P((struct buf *)); 151 void softdep_setup_inomapdep __P((struct buf *, struct inode *, ino_t)); 152 void softdep_setup_blkmapdep __P((struct buf *, struct fs *, daddr_t)); 153 void softdep_setup_allocdirect __P((struct inode *, ufs_lbn_t, daddr_t, 154 daddr_t, long, long, struct buf *)); 155 void softdep_setup_allocindir_meta __P((struct buf *, struct inode *, 156 struct buf *, int, daddr_t)); 157 void softdep_setup_allocindir_page __P((struct inode *, ufs_lbn_t, 158 struct buf *, int, daddr_t, daddr_t, struct buf *)); 159 void softdep_disk_io_initiation __P((struct buf *)); 160 void softdep_disk_write_complete __P((struct buf *)); 161 int softdep_sync_metadata __P((struct vop_fsync_args *)); 162 163 __END_DECLS 164 165 extern int (**ffs_vnodeop_p) __P((void *)); 166 extern int (**ffs_specop_p) __P((void *)); 167 #ifdef FIFO 168 extern int (**ffs_fifoop_p) __P((void *)); 169 #define FFS_FIFOOPS ffs_fifoop_p 170 #else 171 #define FFS_FIFOOPS NULL 172 #endif 173