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ffs_extern.h revision 1.6 
      1 /*	$NetBSD: ffs_extern.h,v 1.6 1996/12/22 10:10:40 cgd 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	8.3 (Berkeley) 4/16/94
     36  */
     37 
     38 struct buf;
     39 struct fid;
     40 struct fs;
     41 struct inode;
     42 struct mount;
     43 struct nameidata;
     44 struct proc;
     45 struct statfs;
     46 struct timeval;
     47 struct ucred;
     48 struct ufsmount;
     49 struct uio;
     50 struct vnode;
     51 struct mbuf;
     52 struct cg;
     53 
     54 __BEGIN_DECLS
     55 
     56 /* ffs_alloc.c */
     57 int ffs_alloc __P((struct inode *, daddr_t, daddr_t , int, struct ucred *,
     58 		   daddr_t *));
     59 int ffs_realloccg __P((struct inode *, daddr_t, daddr_t, int, int ,
     60 		       struct ucred *, struct buf **));
     61 int ffs_reallocblks __P((void *));
     62 int ffs_valloc __P((void *));
     63 daddr_t ffs_blkpref __P((struct inode *, daddr_t, int, daddr_t *));
     64 void ffs_blkfree __P((struct inode *, daddr_t, long));
     65 int ffs_vfree __P((void *));
     66 void ffs_clusteracct __P((struct fs *, struct cg *, daddr_t, int));
     67 
     68 /* ffs_balloc.c */
     69 int ffs_balloc __P((struct inode *, daddr_t, int, struct ucred *,
     70 		    struct buf **, int));
     71 
     72 /* ffs_inode.c */
     73 void ffs_init __P((void));
     74 int ffs_update __P((void *));
     75 int ffs_truncate __P((void *));
     76 
     77 /* ffs_subr.c */
     78 int ffs_blkatoff __P((void *));
     79 void ffs_fragacct __P((struct fs *, int, int32_t[], int));
     80 #ifdef DIAGNOSTIC
     81 void	ffs_checkoverlap __P((struct buf *, struct inode *));
     82 #endif
     83 int ffs_isblock __P((struct fs *, unsigned char *, daddr_t));
     84 void ffs_clrblock __P((struct fs *, u_char *, daddr_t));
     85 void ffs_setblock __P((struct fs *, unsigned char *, daddr_t));
     86 
     87 /* ffs_vfsops.c */
     88 int ffs_mountroot __P((void));
     89 int ffs_mount __P((struct mount *, const char *, void *, struct nameidata *,
     90 		   struct proc *));
     91 int ffs_reload __P((struct mount *, struct ucred *, struct proc *));
     92 int ffs_mountfs __P((struct vnode *, struct mount *, struct proc *));
     93 int ffs_oldfscompat __P((struct fs *));
     94 int ffs_unmount __P((struct mount *, int, struct proc *));
     95 int ffs_flushfiles __P((struct mount *, int, struct proc *));
     96 int ffs_statfs __P((struct mount *, struct statfs *, struct proc *));
     97 int ffs_sync __P((struct mount *, int, struct ucred *, struct proc *));
     98 int ffs_vget __P((struct mount *, ino_t, struct vnode **));
     99 int ffs_fhtovp __P((struct mount *, struct fid *, struct mbuf *,
    100 		    struct vnode **, int *, struct ucred **));
    101 int ffs_vptofh __P((struct vnode *, struct fid *));
    102 int ffs_sbupdate __P((struct ufsmount *, int));
    103 int ffs_cgupdate __P((struct ufsmount *, int));
    104 
    105 /* ffs_vnops.c */
    106 int ffs_read __P((void *));
    107 int ffs_write __P((void *));
    108 #define ffs_fsync genfs_fsync
    109 int ffs_reclaim __P((void *));
    110 __END_DECLS
    111 
    112 extern int (**ffs_vnodeop_p) __P((void *));
    113 extern int (**ffs_specop_p) __P((void *));
    114 #ifdef FIFO
    115 extern int (**ffs_fifoop_p) __P((void *));
    116 #define FFS_FIFOOPS ffs_fifoop_p
    117 #else
    118 #define FFS_FIFOOPS NULL
    119 #endif
    120