kernel: Move GPL'd kernel files to sys/gnu to have them all in one place.
[dragonfly.git] / sys / gnu / vfs / 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
1f1db49f
MD
43#ifndef _VFS_GNU_EXT2FS_EXT2_EXTERN_H_
44#define _VFS_GNU_EXT2FS_EXT2_EXTERN_H_
984263bc 45
1f1db49f 46struct ext2_dinode;
984263bc
MD
47struct ext2_inode;
48struct inode;
49struct mount;
50struct vfsconf;
51struct vnode;
1f1db49f 52struct indir;
984263bc 53
a6ee311a
RG
54int ext2_alloc (struct inode *,
55 daddr_t, daddr_t, int, struct ucred *, daddr_t *);
56int ext2_balloc (struct inode *,
57 daddr_t, int, struct ucred *, struct buf **, int);
58int ext2_blkatoff (struct vnode *, off_t, char **, struct buf **);
59void ext2_blkfree (struct inode *, daddr_t, long);
60daddr_t ext2_blkpref (struct inode *, daddr_t, int, daddr_t *, daddr_t);
61int ext2_bmap (struct vop_bmap_args *);
a6ee311a
RG
62int ext2_reallocblks (struct vop_reallocblks_args *);
63int ext2_reclaim (struct vop_reclaim_args *);
64void ext2_setblock (struct ext2_sb_info *, u_char *, daddr_t);
87de5057 65int ext2_truncate (struct vnode *, off_t, int, struct ucred *);
a6ee311a
RG
66int ext2_update (struct vnode *, int);
67int ext2_valloc (struct vnode *, int, struct ucred *, struct vnode **);
68int ext2_vfree (struct vnode *, ino_t, int);
e62afb5f 69int ext2_lookup (struct vop_old_lookup_args *);
a6ee311a 70int ext2_readdir (struct vop_readdir_args *);
1f1db49f 71void ext2_print_dinode (struct ext2_dinode *);
a6ee311a 72void ext2_print_inode (struct inode *);
b993bb87 73int ext2_direnter (struct inode *,
a6ee311a
RG
74 struct vnode *, struct componentname *);
75int ext2_dirremove (struct vnode *, struct componentname *);
76int ext2_dirrewrite (struct inode *,
77 struct inode *, struct componentname *);
78int ext2_dirempty (struct inode *, ino_t, struct ucred *);
79int ext2_checkpath (struct inode *, struct inode *, struct ucred *);
b993bb87 80struct ext2_group_desc * get_group_desc (struct mount * ,
a6ee311a
RG
81 unsigned int , struct buf ** );
82int ext2_group_sparse (int group);
83void ext2_discard_prealloc (struct inode *);
84int ext2_inactive (struct vop_inactive_args *);
85int ext2_new_block (struct mount * mp, unsigned long goal,
984263bc 86 u_int32_t * prealloc_count,
a6ee311a
RG
87 u_int32_t * prealloc_block);
88ino_t ext2_new_inode (const struct inode * dir, int mode);
89unsigned long ext2_count_free (struct buf *map, unsigned int numchars);
90void ext2_free_blocks (struct mount * mp, unsigned long block,
91 unsigned long count);
92void ext2_free_inode (struct inode * inode);
1f1db49f
MD
93void ext2_ei2di (struct ext2_inode *ei, struct ext2_dinode *di);
94void ext2_di2ei (struct ext2_dinode *di, struct ext2_inode *ei);
a6ee311a 95void mark_buffer_dirty (struct buf *bh);
984263bc 96
1f1db49f
MD
97int ext2_getlbns(struct vnode *, ext2_daddr_t, struct indir *, int *);
98void ext2_itimes(struct vnode *vp);
b13267a5 99struct vnode *ext2_ihashget(cdev_t, ino_t);
1f1db49f
MD
100int ext2_ihashins(struct inode *);
101void ext2_ihashrem(struct inode *);
102void ext2_dirbad(struct inode *, doff_t, char *);
103int ext2_check_export(struct mount *, struct sockaddr *, int *,
104 struct ucred **);
105int ext2_vinit(struct mount *, struct vnode **);
106int ext2_vnoperate(struct vop_generic_args *);
107int ext2_vnoperatefifo(struct vop_generic_args *);
108int ext2_vnoperatespec(struct vop_generic_args *);
109int ext2_uninit(struct vfsconf *);
110void ext2_ihashinit(void);
b13267a5
MD
111struct vnode *ext2_ihashlookup(cdev_t dev, ino_t inum);
112int ext2_ihashcheck(cdev_t dev, ino_t inum);
1f1db49f 113
984263bc
MD
114/*
115 * This macro allows the ufs code to distinguish between an EXT2 and a
116 * non-ext2(FFS/LFS) vnode.
117 */
118#define IS_EXT2_VNODE(vp) (vp->v_mount->mnt_stat.f_type == MOUNT_EXT2FS)
119
1f1db49f 120#endif /* !_VFS_GNU_EXT2FS_EXT2_EXTERN_H_ */