xref: /freebsd/sys/ufs/ffs/ffs_extern.h (revision 09e8dea79366f1e5b3a73e8a271b26e4b6bf2e6a)
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_fsync_args;
53 struct vop_reallocblks_args;
54 struct vop_copyonwrite_args;
55 
56 int	ffs_alloc(struct inode *,
57 	    ufs2_daddr_t, ufs2_daddr_t, int, struct ucred *, ufs2_daddr_t *);
58 int	ffs_balloc_ufs1(struct vnode *a_vp, off_t a_startoffset, int a_size,
59             struct ucred *a_cred, int a_flags, struct buf **a_bpp);
60 int	ffs_balloc_ufs2(struct vnode *a_vp, off_t a_startoffset, int a_size,
61             struct ucred *a_cred, int a_flags, struct buf **a_bpp);
62 int	ffs_blkatoff(struct vnode *, off_t, char **, struct buf **);
63 void	ffs_blkfree(struct fs *, struct vnode *, ufs2_daddr_t, long, ino_t);
64 ufs2_daddr_t ffs_blkpref_ufs1(struct inode *, ufs_lbn_t, int, ufs1_daddr_t *);
65 ufs2_daddr_t ffs_blkpref_ufs2(struct inode *, ufs_lbn_t, int, ufs2_daddr_t *);
66 void	ffs_clrblock(struct fs *, u_char *, ufs1_daddr_t);
67 void	ffs_clusteracct	(struct fs *, struct cg *, ufs1_daddr_t, int);
68 int	ffs_fhtovp(struct mount *, struct fid *, struct vnode **);
69 int	ffs_flushfiles(struct mount *, int, struct thread *);
70 void	ffs_fragacct(struct fs *, int, int32_t [], int);
71 int	ffs_freefile(struct fs *, struct vnode *, ino_t, int );
72 int	ffs_isblock(struct fs *, u_char *, ufs1_daddr_t);
73 int	ffs_isfreeblock(struct fs *, unsigned char *, ufs1_daddr_t);
74 void	ffs_load_inode(struct buf *, struct inode *, struct malloc_type *,
75 	    struct fs *, ino_t);
76 int	ffs_mountfs(struct vnode *, struct mount *, struct thread *,
77 	     struct malloc_type *);
78 int	ffs_mountroot(void);
79 int	ffs_mount(struct mount *, char *, caddr_t, struct nameidata *,
80 	    struct thread *);
81 int	ffs_reallocblks(struct vop_reallocblks_args *);
82 int	ffs_realloccg(struct inode *,
83 	    ufs2_daddr_t, ufs2_daddr_t, int, int, struct ucred *, struct buf **);
84 void	ffs_setblock(struct fs *, u_char *, ufs1_daddr_t);
85 int	ffs_snapblkfree(struct fs *, struct vnode *, ufs2_daddr_t, long, ino_t);
86 void	ffs_snapremove(struct vnode *vp);
87 int	ffs_snapshot(struct mount *mp, char *snapfile);
88 void	ffs_snapshot_mount(struct mount *mp);
89 void	ffs_snapshot_unmount(struct mount *mp);
90 int	ffs_statfs(struct mount *, struct statfs *, struct thread *);
91 int	ffs_sync(struct mount *, int, struct ucred *, struct thread *);
92 int	ffs_truncate(struct vnode *, off_t, int, struct ucred *, struct thread *);
93 int	ffs_unmount(struct mount *, int, struct thread *);
94 int	ffs_update(struct vnode *, int);
95 int	ffs_valloc(struct vnode *, int, struct ucred *, struct vnode **);
96 
97 int	ffs_vfree(struct vnode *, ino_t, int);
98 int	ffs_vget(struct mount *, ino_t, int, struct vnode **);
99 int	ffs_vptofh(struct vnode *, struct fid *);
100 
101 extern vop_t **ffs_vnodeop_p;
102 extern vop_t **ffs_specop_p;
103 extern vop_t **ffs_fifoop_p;
104 
105 /*
106  * Soft update function prototypes.
107  */
108 void	softdep_initialize(void);
109 int	softdep_mount(struct vnode *, struct mount *, struct fs *,
110 	    struct ucred *);
111 int	softdep_flushworklist(struct mount *, int *, struct thread *);
112 int	softdep_flushfiles(struct mount *, int, struct thread *);
113 void	softdep_update_inodeblock(struct inode *, struct buf *, int);
114 void	softdep_load_inodeblock(struct inode *);
115 void	softdep_freefile(struct vnode *, ino_t, int);
116 int	softdep_request_cleanup(struct fs *, struct vnode *);
117 void	softdep_setup_freeblocks(struct inode *, off_t);
118 void	softdep_setup_inomapdep(struct buf *, struct inode *, ino_t);
119 void	softdep_setup_blkmapdep(struct buf *, struct fs *, ufs2_daddr_t);
120 void	softdep_setup_allocdirect(struct inode *, ufs_lbn_t, ufs2_daddr_t,
121 	    ufs2_daddr_t, long, long, struct buf *);
122 void	softdep_setup_allocindir_meta(struct buf *, struct inode *,
123 	    struct buf *, int, ufs2_daddr_t);
124 void	softdep_setup_allocindir_page(struct inode *, ufs_lbn_t,
125 	    struct buf *, int, ufs2_daddr_t, ufs2_daddr_t, struct buf *);
126 void	softdep_fsync_mountdev(struct vnode *);
127 int	softdep_sync_metadata(struct vop_fsync_args *);
128 /* XXX incorrectly moved to mount.h - should be indirect function */
129 #if 0
130 int	softdep_fsync(struct vnode *vp);
131 #endif
132 
133 #endif /* !_UFS_FFS_EXTERN_H */
134