freebsd-skq/sys/ufs/ffs/ffs_softdep_stub.c

/*
 * Copyright 1998 Marshall Kirk McKusick. All Rights Reserved.
 *
 * The soft updates code is derived from the appendix of a University
 * of Michigan technical report (Gregory R. Ganger and Yale N. Patt,
 * "Soft Updates: A Solution to the Metadata Update Problem in File
 * Systems", CSE-TR-254-95, August 1995).
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. None of the names of McKusick, Ganger, or the University of Michigan
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY MARSHALL KIRK MCKUSICK ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL MARSHALL KIRK MCKUSICK BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *	from: @(#)ffs_softdep_stub.c	9.1 (McKusick) 7/10/97
 * $FreeBSD$
 */

/* 
 * Use this file as ffs_softdep.c if you do not wish the real ffs_softdep.c
 * to be included in your system. (e.g for legal reasons )
 * The real files are in /usr/src/contrib/sys/softupdates.
 * You must copy them here before you can use soft updates.
 * Read the README for legal and technical information.
 */

#include "opt_ffs.h"
#if (SOFTUPDATES == 0 ) /* SOFTUPDATES not configured in, use these stubs. */
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/vnode.h>
#include <sys/mount.h>
#include <ufs/ufs/quota.h>
#include <ufs/ufs/inode.h>
#include <ufs/ffs/ffs_extern.h>
#include <ufs/ufs/ufs_extern.h>

int
softdep_flushfiles(oldmnt, flags, td)
	struct mount *oldmnt;
	int flags;
	struct thread *td;
{

	panic("softdep_flushfiles called");
}

int
softdep_mount(devvp, mp, fs, cred)
	struct vnode *devvp;
	struct mount *mp;
	struct fs *fs;
	struct ucred *cred;
{

	return (0);
}

void 
softdep_initialize()
{

	return;
}

void
softdep_setup_inomapdep(bp, ip, newinum)
	struct buf *bp;
	struct inode *ip;
	ino_t newinum;
{

	panic("softdep_setup_inomapdep called");
}

void
softdep_setup_blkmapdep(bp, fs, newblkno)
	struct buf *bp;
	struct fs *fs;
	ufs_daddr_t newblkno;
{

	panic("softdep_setup_blkmapdep called");
}

void 
softdep_setup_allocdirect(ip, lbn, newblkno, oldblkno, newsize, oldsize, bp)
	struct inode *ip;
	ufs_lbn_t lbn;
	ufs_daddr_t newblkno;
	ufs_daddr_t oldblkno;
	long newsize;
	long oldsize;
	struct buf *bp;
{
	
	panic("softdep_setup_allocdirect called");
}

void
softdep_setup_allocindir_page(ip, lbn, bp, ptrno, newblkno, oldblkno, nbp)
	struct inode *ip;
	ufs_lbn_t lbn;
	struct buf *bp;
	int ptrno;
	ufs_daddr_t newblkno;
	ufs_daddr_t oldblkno;
	struct buf *nbp;
{

	panic("softdep_setup_allocindir_page called");
}

void
softdep_setup_allocindir_meta(nbp, ip, bp, ptrno, newblkno)
	struct buf *nbp;
	struct inode *ip;
	struct buf *bp;
	int ptrno;
	ufs_daddr_t newblkno;
{

	panic("softdep_setup_allocindir_meta called");
}

void
softdep_setup_freeblocks(ip, length)
	struct inode *ip;
	off_t length;
{
	
	panic("softdep_setup_freeblocks called");
}

void
softdep_freefile(pvp, ino, mode)
		struct vnode *pvp;
		ino_t ino;
		int mode;
{

	panic("softdep_freefile called");
}

int 
softdep_setup_directory_add(bp, dp, diroffset, newinum, newdirbp, isnewblk)
	struct buf *bp;
	struct inode *dp;
	off_t diroffset;
	long newinum;
	struct buf *newdirbp;
	int isnewblk;
{

	panic("softdep_setup_directory_add called");
}

void 
softdep_change_directoryentry_offset(dp, base, oldloc, newloc, entrysize)
	struct inode *dp;
	caddr_t base;
	caddr_t oldloc;
	caddr_t newloc;
	int entrysize;
{

	panic("softdep_change_directoryentry_offset called");
}

void 
softdep_setup_remove(bp, dp, ip, isrmdir)
	struct buf *bp;
	struct inode *dp;
	struct inode *ip;
	int isrmdir;
{
	
	panic("softdep_setup_remove called");
}

void 
softdep_setup_directory_change(bp, dp, ip, newinum, isrmdir)
	struct buf *bp;
	struct inode *dp;
	struct inode *ip;
	long newinum;
	int isrmdir;
{

	panic("softdep_setup_directory_change called");
}

void
softdep_change_linkcnt(ip)
	struct inode *ip;
{

	panic("softdep_change_linkcnt called");
}

void 
softdep_load_inodeblock(ip)
	struct inode *ip;
{

	panic("softdep_load_inodeblock called");
}

void 
softdep_update_inodeblock(ip, bp, waitfor)
	struct inode *ip;
	struct buf *bp;
	int waitfor;
{

	panic("softdep_update_inodeblock called");
}

void
softdep_fsync_mountdev(vp)
	struct vnode *vp;
{

	return;
}

int
softdep_flushworklist(oldmnt, countp, td)
	struct mount *oldmnt;
	int *countp;
	struct thread *td;
{

	*countp = 0;
	return (0);
}

int
softdep_sync_metadata(ap)
	struct vop_fsync_args /* {
		struct vnode *a_vp;
		struct ucred *a_cred;
		int a_waitfor;
		struct thread *a_td;
	} */ *ap;
{

	return (0);
}

int
softdep_slowdown(vp)
	struct vnode *vp;
{

	panic("softdep_slowdown called");
}

void
softdep_releasefile(ip)
	struct inode *ip;	/* inode with the zero effective link count */
{

	panic("softdep_releasefile called");
}

int
softdep_request_cleanup(fs, vp)
	struct fs *fs;
	struct vnode *vp;
{

	return (0);
}
#endif	/* SOFTUPDATES not configured in */