xref: /freebsd/sys/ufs/ffs/ffs_extern.h (revision adeb92a24c57f97d5cd3c3c45be239cbb23aed68)
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  *	@(#)ffs_extern.h	8.6 (Berkeley) 3/30/95
34  * $FreeBSD$
35  */
36 
37 #ifndef _UFS_FFS_EXTERN_H
38 #define	_UFS_FFS_EXTERN_H
39 
40 struct buf;
41 struct cg;
42 struct fid;
43 struct fs;
44 struct inode;
45 struct malloc_type;
46 struct mount;
47 struct thread;
48 struct sockaddr;
49 struct statfs;
50 struct ucred;
51 struct vnode;
52 struct vop_balloc_args;
53 struct vop_fsync_args;
54 struct vop_reallocblks_args;
55 struct vop_copyonwrite_args;
56 
57 int	ffs_alloc __P((struct inode *,
58 	    ufs_daddr_t, ufs_daddr_t, int, struct ucred *, ufs_daddr_t *));
59 int	ffs_balloc __P((struct vnode *a_vp, off_t a_startoffset, int a_size,
60             struct ucred *a_cred, int a_flags, struct buf **a_bpp));
61 int	ffs_blkatoff __P((struct vnode *, off_t, char **, struct buf **));
62 void	ffs_blkfree __P((struct inode *, ufs_daddr_t, long));
63 ufs_daddr_t ffs_blkpref __P((struct inode *, ufs_daddr_t, int, ufs_daddr_t *));
64 void	ffs_clrblock __P((struct fs *, u_char *, ufs_daddr_t));
65 void	ffs_clusteracct	__P((struct fs *, struct cg *, ufs_daddr_t, int));
66 int	ffs_fhtovp __P((struct mount *, struct fid *, struct vnode **));
67 int	ffs_flushfiles __P((struct mount *, int, struct thread *));
68 void	ffs_fragacct __P((struct fs *, int, int32_t [], int));
69 int	ffs_freefile __P((struct inode *, ino_t, int ));
70 int	ffs_isblock __P((struct fs *, u_char *, ufs_daddr_t));
71 int	ffs_isfreeblock __P((struct fs *, unsigned char *, ufs_daddr_t));
72 int	ffs_mountfs __P((struct vnode *, struct mount *, struct thread *,
73 	     struct malloc_type *));
74 int	ffs_mountroot __P((void));
75 int	ffs_mount __P((struct mount *, char *, caddr_t, struct nameidata *,
76 	    struct thread *));
77 int	ffs_reallocblks __P((struct vop_reallocblks_args *));
78 int	ffs_realloccg __P((struct inode *,
79 	    ufs_daddr_t, ufs_daddr_t, int, int, struct ucred *, struct buf **));
80 void	ffs_setblock __P((struct fs *, u_char *, ufs_daddr_t));
81 int	ffs_snapblkfree __P((struct inode *freeip, ufs_daddr_t bno, long size));
82 void	ffs_snapremove __P((struct vnode *vp));
83 int	ffs_snapshot __P((struct mount *mp, char *snapfile));
84 void	ffs_snapshot_mount __P((struct mount *mp));
85 void	ffs_snapshot_unmount __P((struct mount *mp));
86 int	ffs_statfs __P((struct mount *, struct statfs *, struct thread *));
87 int	ffs_sync __P((struct mount *, int, struct ucred *, struct thread *));
88 int	ffs_truncate __P((struct vnode *, off_t, int, struct ucred *, struct thread *));
89 int	ffs_unmount __P((struct mount *, int, struct thread *));
90 int	ffs_update __P((struct vnode *, int));
91 int	ffs_valloc __P((struct vnode *, int, struct ucred *, struct vnode **));
92 
93 int	ffs_vfree __P((struct vnode *, ino_t, int));
94 int	ffs_vget __P((struct mount *, ino_t, struct vnode **));
95 int	ffs_vptofh __P((struct vnode *, struct fid *));
96 
97 extern vop_t **ffs_vnodeop_p;
98 extern vop_t **ffs_specop_p;
99 extern vop_t **ffs_fifoop_p;
100 
101 /*
102  * Soft update function prototypes.
103  */
104 void	softdep_initialize __P((void));
105 int	softdep_mount __P((struct vnode *, struct mount *, struct fs *,
106 	    struct ucred *));
107 int	softdep_flushworklist __P((struct mount *, int *, struct thread *));
108 int	softdep_flushfiles __P((struct mount *, int, struct thread *));
109 void	softdep_update_inodeblock __P((struct inode *, struct buf *, int));
110 void	softdep_load_inodeblock __P((struct inode *));
111 void	softdep_freefile __P((struct vnode *, ino_t, int));
112 void	softdep_setup_freeblocks __P((struct inode *, off_t));
113 void	softdep_setup_inomapdep __P((struct buf *, struct inode *, ino_t));
114 void	softdep_setup_blkmapdep __P((struct buf *, struct fs *, ufs_daddr_t));
115 void	softdep_setup_allocdirect __P((struct inode *, ufs_lbn_t, ufs_daddr_t,
116 	    ufs_daddr_t, long, long, struct buf *));
117 void	softdep_setup_allocindir_meta __P((struct buf *, struct inode *,
118 	    struct buf *, int, ufs_daddr_t));
119 void	softdep_setup_allocindir_page __P((struct inode *, ufs_lbn_t,
120 	    struct buf *, int, ufs_daddr_t, ufs_daddr_t, struct buf *));
121 void	softdep_fsync_mountdev __P((struct vnode *));
122 int	softdep_sync_metadata __P((struct vop_fsync_args *));
123 /* XXX incorrectly moved to mount.h - should be indirect function */
124 #if 0
125 int	softdep_fsync __P((struct vnode *vp));
126 #endif
127 
128 #endif /* !_UFS_FFS_EXTERN_H */
129