Change the kernel dev_t, representing a pointer to a specinfo structure,
[dragonfly.git] / sys / vfs / gnu / ext2fs / ext2_extern.h
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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 $
b13267a5 41 * $DragonFly: src/sys/vfs/gnu/ext2fs/ext2_extern.h,v 1.12 2006/09/10 01:26:40 dillon Exp $
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42 */
43
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44#ifndef _VFS_GNU_EXT2FS_EXT2_EXTERN_H_
45#define _VFS_GNU_EXT2FS_EXT2_EXTERN_H_
984263bc 46
1f1db49f 47struct ext2_dinode;
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48struct ext2_inode;
49struct inode;
50struct mount;
51struct vfsconf;
52struct vnode;
1f1db49f 53struct indir;
984263bc 54
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55int ext2_alloc (struct inode *,
56 daddr_t, daddr_t, int, struct ucred *, daddr_t *);
57int ext2_balloc (struct inode *,
58 daddr_t, int, struct ucred *, struct buf **, int);
59int ext2_blkatoff (struct vnode *, off_t, char **, struct buf **);
60void ext2_blkfree (struct inode *, daddr_t, long);
61daddr_t ext2_blkpref (struct inode *, daddr_t, int, daddr_t *, daddr_t);
62int ext2_bmap (struct vop_bmap_args *);
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63int ext2_reallocblks (struct vop_reallocblks_args *);
64int ext2_reclaim (struct vop_reclaim_args *);
65void ext2_setblock (struct ext2_sb_info *, u_char *, daddr_t);
87de5057 66int ext2_truncate (struct vnode *, off_t, int, struct ucred *);
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67int ext2_update (struct vnode *, int);
68int ext2_valloc (struct vnode *, int, struct ucred *, struct vnode **);
69int ext2_vfree (struct vnode *, ino_t, int);
e62afb5f 70int ext2_lookup (struct vop_old_lookup_args *);
a6ee311a 71int ext2_readdir (struct vop_readdir_args *);
1f1db49f 72void ext2_print_dinode (struct ext2_dinode *);
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73void ext2_print_inode (struct inode *);
74int ext2_direnter (struct inode *,
75 struct vnode *, struct componentname *);
76int ext2_dirremove (struct vnode *, struct componentname *);
77int ext2_dirrewrite (struct inode *,
78 struct inode *, struct componentname *);
79int ext2_dirempty (struct inode *, ino_t, struct ucred *);
80int ext2_checkpath (struct inode *, struct inode *, struct ucred *);
81struct ext2_group_desc * get_group_desc (struct mount * ,
82 unsigned int , struct buf ** );
83int ext2_group_sparse (int group);
84void ext2_discard_prealloc (struct inode *);
85int ext2_inactive (struct vop_inactive_args *);
86int ext2_new_block (struct mount * mp, unsigned long goal,
984263bc 87 u_int32_t * prealloc_count,
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88 u_int32_t * prealloc_block);
89ino_t ext2_new_inode (const struct inode * dir, int mode);
90unsigned long ext2_count_free (struct buf *map, unsigned int numchars);
91void ext2_free_blocks (struct mount * mp, unsigned long block,
92 unsigned long count);
93void ext2_free_inode (struct inode * inode);
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94void ext2_ei2di (struct ext2_inode *ei, struct ext2_dinode *di);
95void ext2_di2ei (struct ext2_dinode *di, struct ext2_inode *ei);
a6ee311a 96void mark_buffer_dirty (struct buf *bh);
984263bc 97
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98int ext2_getlbns(struct vnode *, ext2_daddr_t, struct indir *, int *);
99void ext2_itimes(struct vnode *vp);
b13267a5 100struct vnode *ext2_ihashget(cdev_t, ino_t);
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101int ext2_ihashins(struct inode *);
102void ext2_ihashrem(struct inode *);
103void ext2_dirbad(struct inode *, doff_t, char *);
104int ext2_check_export(struct mount *, struct sockaddr *, int *,
105 struct ucred **);
106int ext2_vinit(struct mount *, struct vnode **);
107int ext2_vnoperate(struct vop_generic_args *);
108int ext2_vnoperatefifo(struct vop_generic_args *);
109int ext2_vnoperatespec(struct vop_generic_args *);
110int ext2_uninit(struct vfsconf *);
111void ext2_ihashinit(void);
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112struct vnode *ext2_ihashlookup(cdev_t dev, ino_t inum);
113int ext2_ihashcheck(cdev_t dev, ino_t inum);
1f1db49f 114
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115/*
116 * This macro allows the ufs code to distinguish between an EXT2 and a
117 * non-ext2(FFS/LFS) vnode.
118 */
119#define IS_EXT2_VNODE(vp) (vp->v_mount->mnt_stat.f_type == MOUNT_EXT2FS)
120
1f1db49f 121#endif /* !_VFS_GNU_EXT2FS_EXT2_EXTERN_H_ */