Initial import from FreeBSD RELENG_4:
[dragonfly.git] / sys / vfs / gnu / ext2fs / ext2_extern.h
CommitLineData
984263bc
MD
1/*
2 * modified for EXT2FS support in Lites 1.1
3 *
4 * Aug 1995, Godmar Back (gback@cs.utah.edu)
5 * University of Utah, Department of Computer Science
6 */
7/*-
8 * Copyright (c) 1991, 1993, 1994
9 * The Regents of the University of California. All rights reserved.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 * 3. All advertising materials mentioning features or use of this software
20 * must display the following acknowledgement:
21 * This product includes software developed by the University of
22 * California, Berkeley and its contributors.
23 * 4. Neither the name of the University nor the names of its contributors
24 * may be used to endorse or promote products derived from this software
25 * without specific prior written permission.
26 *
27 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
28 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
29 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
30 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
31 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
32 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
33 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
34 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
35 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
36 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
37 * SUCH DAMAGE.
38 *
39 * @(#)ffs_extern.h 8.3 (Berkeley) 4/16/94
40 * $FreeBSD: src/sys/gnu/ext2fs/ext2_extern.h,v 1.22.6.1 2000/11/05 19:17:40 bde Exp $
41 */
42
43#ifndef _SYS_GNU_EXT2FS_EXT2_EXTERN_H_
44#define _SYS_GNU_EXT2FS_EXT2_EXTERN_H_
45
46struct dinode;
47struct ext2_inode;
48struct inode;
49struct mount;
50struct vfsconf;
51struct vnode;
52
53int ext2_alloc __P((struct inode *,
54 daddr_t, daddr_t, int, struct ucred *, daddr_t *));
55int ext2_balloc __P((struct inode *,
56 daddr_t, int, struct ucred *, struct buf **, int));
57int ext2_blkatoff __P((struct vnode *, off_t, char **, struct buf **));
58void ext2_blkfree __P((struct inode *, daddr_t, long));
59daddr_t ext2_blkpref __P((struct inode *, daddr_t, int, daddr_t *, daddr_t));
60int ext2_bmap __P((struct vop_bmap_args *));
61int ext2_init __P((struct vfsconf *));
62int ext2_reallocblks __P((struct vop_reallocblks_args *));
63int ext2_reclaim __P((struct vop_reclaim_args *));
64void ext2_setblock __P((struct ext2_sb_info *, u_char *, daddr_t));
65int ext2_truncate __P((struct vnode *, off_t, int, struct ucred *, struct proc *));
66int ext2_update __P((struct vnode *, int));
67int ext2_valloc __P((struct vnode *, int, struct ucred *, struct vnode **));
68int ext2_vfree __P((struct vnode *, ino_t, int));
69int ext2_lookup __P((struct vop_cachedlookup_args *));
70int ext2_readdir __P((struct vop_readdir_args *));
71void ext2_print_dinode __P((struct dinode *));
72void ext2_print_inode __P((struct inode *));
73int ext2_direnter __P((struct inode *,
74 struct vnode *, struct componentname *));
75int ext2_dirremove __P((struct vnode *, struct componentname *));
76int ext2_dirrewrite __P((struct inode *,
77 struct inode *, struct componentname *));
78int ext2_dirempty __P((struct inode *, ino_t, struct ucred *));
79int ext2_checkpath __P((struct inode *, struct inode *, struct ucred *));
80struct ext2_group_desc * get_group_desc __P((struct mount * ,
81 unsigned int , struct buf ** ));
82int ext2_group_sparse __P((int group));
83void ext2_discard_prealloc __P((struct inode *));
84int ext2_inactive __P((struct vop_inactive_args *));
85int ext2_new_block __P ((struct mount * mp, unsigned long goal,
86 u_int32_t * prealloc_count,
87 u_int32_t * prealloc_block));
88ino_t ext2_new_inode __P ((const struct inode * dir, int mode));
89unsigned long ext2_count_free __P((struct buf *map, unsigned int numchars));
90void ext2_free_blocks __P((struct mount * mp, unsigned long block,
91 unsigned long count));
92void ext2_free_inode __P((struct inode * inode));
93void ext2_ei2di __P((struct ext2_inode *ei, struct dinode *di));
94void ext2_di2ei __P((struct dinode *di, struct ext2_inode *ei));
95void mark_buffer_dirty __P((struct buf *bh));
96
97/*
98 * This macro allows the ufs code to distinguish between an EXT2 and a
99 * non-ext2(FFS/LFS) vnode.
100 */
101#define IS_EXT2_VNODE(vp) (vp->v_mount->mnt_stat.f_type == MOUNT_EXT2FS)
102
103extern vop_t **ext2_vnodeop_p;
104extern vop_t **ext2_specop_p;
105extern vop_t **ext2_fifoop_p;
106
107#endif /* !_SYS_GNU_EXT2FS_EXT2_EXTERN_H_ */