xref: /dragonfly/sys/vfs/ufs/ufs_extern.h (revision ab709bfb)
1 /*-
2  * Copyright (c) 1991, 1993, 1994
3  *	The Regents of the University of California.  All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  * 3. All advertising materials mentioning features or use of this software
14  *    must display the following acknowledgement:
15  *	This product includes software developed by the University of
16  *	California, Berkeley and its contributors.
17  * 4. Neither the name of the University nor the names of its contributors
18  *    may be used to endorse or promote products derived from this software
19  *    without specific prior written permission.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31  * SUCH DAMAGE.
32  *
33  *	@(#)ufs_extern.h	8.10 (Berkeley) 5/14/95
34  * $FreeBSD: src/sys/ufs/ufs/ufs_extern.h,v 1.27.2.1 2000/12/28 11:01:46 ps Exp $
35  * $DragonFly: src/sys/vfs/ufs/ufs_extern.h,v 1.16 2008/09/17 21:44:25 dillon Exp $
36  */
37 
38 #ifndef _VFS_UFS_EXTERN_H_
39 #define	_VFS_UFS_EXTERN_H_
40 
41 struct componentname;
42 struct direct;
43 struct indir;
44 struct inode;
45 struct mount;
46 struct proc;
47 struct sockaddr;
48 struct ucred;
49 struct ufid;
50 struct vfsconf;
51 struct vnode;
52 struct vop_bmap_args;
53 struct vop_old_lookup_args;
54 struct vop_generic_args;
55 struct vop_inactive_args;
56 struct vop_reclaim_args;
57 
58 int	ufs_vnoperate(struct vop_generic_args *);
59 int	ufs_vnoperatefifo(struct vop_generic_args *);
60 int	ufs_vnoperatespec(struct vop_generic_args *);
61 
62 int	 ufs_bmap(struct vop_bmap_args *);
63 int	 ufs_bmaparray(struct vnode *, daddr_t, daddr_t *, struct indir *,
64 		int *, int *, int *);
65 int	 ufs_check_export(struct mount *, struct sockaddr *,
66 			       int *, struct ucred **);
67 int	 ufs_fhtovp(struct mount *, struct vnode *,
68 				struct ufid *, struct vnode **);
69 int	 ufs_checkpath(struct inode *, struct inode *, struct ucred *);
70 void	 ufs_dirbad(struct inode *, doff_t, char *);
71 int	 ufs_dirbadentry(struct vnode *, struct direct *, int);
72 int	 ufs_dirempty(struct inode *, ino_t, struct ucred *);
73 void	 ufs_makedirentry(struct inode *, struct componentname *,
74 	    struct direct *);
75 int	 ufs_direnter(struct vnode *, struct vnode *, struct direct *,
76 	    struct componentname *, struct buf *);
77 int	 ufs_dirremove(struct vnode *, struct inode *, int, int);
78 int	 ufs_dirrewrite(struct inode *, struct inode *, ino_t, int, int);
79 int	 ufs_getlbns(struct vnode *, ufs_daddr_t, struct indir *, int *);
80 struct vnode *
81 	 ufs_ihashget(cdev_t, ino_t);
82 int	 ufs_ihashcheck(cdev_t, ino_t);
83 void	 ufs_ihashinit(void);
84 int	 ufs_ihashins(struct inode *);
85 struct vnode *
86 	 ufs_ihashlookup(cdev_t, ino_t);
87 void	 ufs_ihashrem(struct inode *);
88 int	 ufs_inactive(struct vop_inactive_args *);
89 int	 ufs_init(struct vfsconf *);
90 int	 ufs_uninit(struct vfsconf *);
91 void	 ufs_itimes(struct vnode *vp);
92 int	 ufs_lookup(struct vop_old_lookup_args *);
93 int	 ufs_reclaim(struct vop_reclaim_args *);
94 int	 ufs_root(struct mount *, struct vnode **);
95 int	 ufs_start(struct mount *, int, struct thread *);
96 int	 ufs_vinit(struct mount *, struct vnode **);
97 
98 /*
99  * Soft update function prototypes.
100  */
101 void	softdep_setup_directory_add(struct buf *, struct inode *, off_t,
102 	    ino_t, struct buf *);
103 void	softdep_change_directoryentry_offset(struct inode *, caddr_t,
104 	    caddr_t, caddr_t, int);
105 void	softdep_setup_remove(struct buf *,struct inode *, struct inode *,
106 	    int);
107 void	softdep_setup_directory_change(struct buf *, struct inode *,
108 	    struct inode *, ino_t, int);
109 void	softdep_change_linkcnt(struct inode *);
110 int	softdep_slowdown(struct vnode *);
111 
112 #endif /* !_VFS_UFS_EXTERN_H_ */
113