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/* $OpenBSD: ext2_extern.h,v 1.3 1996/07/14 09:14:13 downsj Exp $ */
/*
* modified for EXT2FS support in Lites 1.1
*
* Aug 1995, Godmar Back (gback@cs.utah.edu)
* University of Utah, Department of Computer Science
*/
/*-
* Copyright (c) 1991, 1993, 1994
* The Regents of the University of California. All rights reserved.
*
* 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 THE REGENTS OR CONTRIBUTORS 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.
*
* @(#)ffs_extern.h 8.3 (Berkeley) 4/16/94
*/
#ifndef _SYS_GNU_EXT2FS_EXT2_EXTERN_H_
#define _SYS_GNU_EXT2FS_EXT2_EXTERN_H_
struct dinode;
struct ext2_inode;
struct inode;
struct mount;
struct vnode;
int ext2_alloc __P((struct inode *,
daddr_t, daddr_t, int, struct ucred *, daddr_t *));
int ext2_balloc __P((struct inode *,
daddr_t, int, struct ucred *, struct buf **, int));
int ext2_blkatoff __P((void *));
void ext2_blkfree __P((struct inode *, daddr_t, long));
daddr_t ext2_blkpref __P((struct inode *, daddr_t, int, daddr_t *, daddr_t));
int ext2_bmap __P((void *));
void ext2_init __P((void));
int ext2_reallocblks __P((void *));
int ext2_reclaim __P((void *));
void ext2_setblock __P((struct ext2_sb_info *, u_char *, daddr_t));
int ext2_truncate __P((void *));
int ext2_update __P((void *));
int ext2_valloc __P((void *));
int ext2_vfree __P((void *));
int ext2_lookup __P((void *));
int ext2_readdir __P((void *));
void ext2_print_dinode __P((struct dinode *));
void ext2_print_inode __P((struct inode *));
int ext2_direnter __P((struct inode *,
struct vnode *, struct componentname *));
int ext2_dirremove __P((struct vnode *, struct componentname *));
int ext2_dirrewrite __P((struct inode *,
struct inode *, struct componentname *));
int ext2_dirempty __P((struct inode *, ino_t, struct ucred *));
int ext2_checkpath __P((struct inode *, struct inode *, struct ucred *));
struct ext2_group_desc * get_group_desc __P((struct mount * ,
unsigned int , struct buf ** ));
void ext2_discard_prealloc __P((struct inode *));
int ext2_inactive __P((void *));
int ll_w_block __P((struct buf *, int ));
int ext2_new_block __P ((struct mount * mp, u_int32_t goal,
int32_t * prealloc_count,
int32_t * prealloc_block));
ino_t ext2_new_inode __P ((const struct inode * dir, int mode));
unsigned long ext2_count_free __P((struct buf *map, unsigned int numchars));
void ext2_free_blocks (struct mount * mp, unsigned long block,
unsigned long count);
void ext2_free_inode (struct inode * inode);
void ext2_ei2di __P((struct ext2_inode *ei, struct dinode *di));
void ext2_di2ei __P((struct dinode *di, struct ext2_inode *ei));
void mark_buffer_dirty __P((struct buf *bh));
/*
* This macro allows the ufs code to distinguish between an EXT2 and a
* non-ext2(FFS/LFS) vnode. We shouldn't need this!
*/
#define IS_EXT2_VNODE(vp) (vp->v_tag == VT_EXT2FS)
#ifdef DIAGNOSTIC
void ext2_checkoverlap __P((struct buf *, struct inode *));
#endif
extern int (**ext2_vnodeop_p) __P((void *));
extern int (**ext2_specop_p) __P((void *));
#ifdef FIFO
extern int (**ext2_fifoop_p) __P((void *));
#define EXT2_FIFOOPS ext2_fifoop_p
#else
#define EXT2_FIFOOPS NULL
#endif
#endif /* !_SYS_GNU_EXT2FS_EXT2_EXTERN_H_ */
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