2 * modified for EXT2FS support in Lites 1.1
4 * Aug 1995, Godmar Back (gback@cs.utah.edu)
5 * University of Utah, Department of Computer Science
8 * Copyright (c) 1991, 1993, 1994
9 * The Regents of the University of California. All rights reserved.
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
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.
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
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 $
43 #ifndef _VFS_GNU_EXT2FS_EXT2_EXTERN_H_
44 #define _VFS_GNU_EXT2FS_EXT2_EXTERN_H_
54 int ext2_alloc (struct inode *,
55 daddr_t, daddr_t, int, struct ucred *, daddr_t *);
56 int ext2_balloc (struct inode *,
57 daddr_t, int, struct ucred *, struct buf **, int);
58 int ext2_blkatoff (struct vnode *, off_t, char **, struct buf **);
59 void ext2_blkfree (struct inode *, daddr_t, long);
60 daddr_t ext2_blkpref (struct inode *, daddr_t, int, daddr_t *, daddr_t);
61 int ext2_bmap (struct vop_bmap_args *);
62 int ext2_reallocblks (struct vop_reallocblks_args *);
63 int ext2_reclaim (struct vop_reclaim_args *);
64 void ext2_setblock (struct ext2_sb_info *, u_char *, daddr_t);
65 int ext2_truncate (struct vnode *, off_t, int, struct ucred *);
66 int ext2_update (struct vnode *, int);
67 int ext2_valloc (struct vnode *, int, struct ucred *, struct vnode **);
68 int ext2_vfree (struct vnode *, ino_t, int);
69 int ext2_lookup (struct vop_old_lookup_args *);
70 int ext2_readdir (struct vop_readdir_args *);
71 void ext2_print_dinode (struct ext2_dinode *);
72 void ext2_print_inode (struct inode *);
73 int ext2_direnter (struct inode *,
74 struct vnode *, struct componentname *);
75 int ext2_dirremove (struct vnode *, struct componentname *);
76 int ext2_dirrewrite (struct inode *,
77 struct inode *, struct componentname *);
78 int ext2_dirempty (struct inode *, ino_t, struct ucred *);
79 int ext2_checkpath (struct inode *, struct inode *, struct ucred *);
80 struct ext2_group_desc *get_group_desc (struct mount *,
81 unsigned int, struct buf **);
82 int ext2_group_sparse (int group);
83 void ext2_discard_prealloc (struct inode *);
84 int ext2_inactive (struct vop_inactive_args *);
85 int ext2_new_block (struct mount *mp, unsigned long goal,
86 u_int32_t *prealloc_count,
87 u_int32_t *prealloc_block);
88 ino_t ext2_new_inode (const struct inode *dir, int mode);
89 unsigned long ext2_count_free (struct buf *map, unsigned int numchars);
90 void ext2_free_blocks (struct mount *mp, unsigned long block,
92 void ext2_free_inode (struct inode *inode);
93 void ext2_ei2di (struct ext2_inode *ei, struct ext2_dinode *di);
94 void ext2_di2ei (struct ext2_dinode *di, struct ext2_inode *ei);
95 void mark_buffer_dirty (struct buf *bh);
97 int ext2_getlbns(struct vnode *, ext2_daddr_t, struct indir *, int *);
98 void ext2_itimes(struct vnode *vp);
99 struct vnode *ext2_ihashget(cdev_t, ino_t);
100 int ext2_ihashins(struct inode *);
101 void ext2_ihashrem(struct inode *);
102 void ext2_dirbad(struct inode *, doff_t, char *);
103 int ext2_check_export(struct mount *, struct sockaddr *, int *,
105 int ext2_vinit(struct mount *, struct vnode **);
106 int ext2_vnoperate(struct vop_generic_args *);
107 int ext2_vnoperatefifo(struct vop_generic_args *);
108 int ext2_vnoperatespec(struct vop_generic_args *);
109 int ext2_uninit(struct vfsconf *);
110 void ext2_ihashinit(void);
111 struct vnode *ext2_ihashlookup(cdev_t dev, ino_t inum);
112 int ext2_ihashcheck(cdev_t dev, ino_t inum);
115 * This macro allows the ufs code to distinguish between an EXT2 and a
116 * non-ext2(FFS/LFS) vnode.
118 #define IS_EXT2_VNODE(vp) (vp->v_mount->mnt_stat.f_type == MOUNT_EXT2FS)
120 #endif /* !_VFS_GNU_EXT2FS_EXT2_EXTERN_H_ */