xref: /freebsd/sys/fs/ext2fs/ext2_extern.h (revision 3157ba21)
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  * 4. Neither the name of the University nor the names of its contributors
20  *    may be used to endorse or promote products derived from this software
21  *    without specific prior written permission.
22  *
23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33  * SUCH DAMAGE.
34  *
35  *	@(#)ffs_extern.h	8.3 (Berkeley) 4/16/94
36  * $FreeBSD$
37  */
38 
39 #ifndef _FS_EXT2FS_EXT2_EXTERN_H_
40 #define	_FS_EXT2FS_EXT2_EXTERN_H_
41 
42 struct ext2fs_dinode;
43 struct indir;
44 struct inode;
45 struct mount;
46 struct vfsconf;
47 struct vnode;
48 
49 int	ext2_alloc(struct inode *,
50 	    int32_t, int32_t, int, struct ucred *, int32_t *);
51 int	ext2_balloc(struct inode *,
52 	    int32_t, int, struct ucred *, struct buf **, int);
53 int	ext2_blkatoff(struct vnode *, off_t, char **, struct buf **);
54 void	ext2_blkfree(struct inode *, int32_t, long);
55 int32_t	ext2_blkpref(struct inode *, int32_t, int, int32_t *, int32_t);
56 int	ext2_bmap(struct vop_bmap_args *);
57 int	ext2_bmaparray(struct vnode *, int32_t, int32_t *, int *, int *);
58 void	ext2_dirbad(struct inode *ip, doff_t offset, char *how);
59 void	ext2_ei2i(struct ext2fs_dinode *, struct inode *);
60 int	ext2_getlbns(struct vnode *, int32_t, struct indir *, int *);
61 void	ext2_i2ei(struct inode *, struct ext2fs_dinode *);
62 void	ext2_itimes(struct vnode *vp);
63 int	ext2_reallocblks(struct vop_reallocblks_args *);
64 int	ext2_reclaim(struct vop_reclaim_args *);
65 void	ext2_setblock(struct m_ext2fs *, u_char *, int32_t);
66 int	ext2_truncate(struct vnode *, off_t, int, struct ucred *, struct thread *);
67 int	ext2_update(struct vnode *, int);
68 int	ext2_valloc(struct vnode *, int, struct ucred *, struct vnode **);
69 int	ext2_vfree(struct vnode *, ino_t, int);
70 int	ext2_vinit(struct mount *, struct vop_vector *, struct vnode **vpp);
71 int 	ext2_lookup(struct vop_cachedlookup_args *);
72 int 	ext2_readdir(struct vop_readdir_args *);
73 void	ext2_print_inode(struct inode *);
74 int	ext2_direnter(struct inode *,
75 		struct vnode *, struct componentname *);
76 int	ext2_dirremove(struct vnode *, struct componentname *);
77 int	ext2_dirrewrite(struct inode *,
78 		struct inode *, struct componentname *);
79 int	ext2_dirempty(struct inode *, ino_t, struct ucred *);
80 int	ext2_checkpath(struct inode *, struct inode *, struct ucred *);
81 int	cg_has_sb(int i);
82 int	ext2_inactive(struct vop_inactive_args *);
83 
84 /* Flags to low-level allocation routines. */
85 #define B_CLRBUF	0x01	/* Request allocated buffer be cleared. */
86 #define B_SYNC		0x02	/* Do all allocations synchronously. */
87 #define B_METAONLY	0x04	/* Return indirect block buffer. */
88 #define B_NOWAIT	0x08	/* do not sleep to await lock */
89 
90 extern struct vop_vector ext2_vnodeops;
91 extern struct vop_vector ext2_fifoops;
92 
93 #endif /* !_FS_EXT2FS_EXT2_EXTERN_H_ */
94