xref: /freebsd/sys/ufs/ffs/ffs_extern.h (revision c98323078dede7579020518ec84cdcb478e5c142)
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  * 4. Neither the name of the University nor the names of its contributors
14  *    may be used to endorse or promote products derived from this software
15  *    without specific prior written permission.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27  * SUCH DAMAGE.
28  *
29  *	@(#)ffs_extern.h	8.6 (Berkeley) 3/30/95
30  * $FreeBSD$
31  */
32 
33 #ifndef _UFS_FFS_EXTERN_H
34 #define	_UFS_FFS_EXTERN_H
35 
36 struct buf;
37 struct cg;
38 struct fid;
39 struct fs;
40 struct inode;
41 struct malloc_type;
42 struct mount;
43 struct thread;
44 struct sockaddr;
45 struct statfs;
46 struct ucred;
47 struct vnode;
48 struct vop_fsync_args;
49 struct vop_reallocblks_args;
50 struct vop_copyonwrite_args;
51 
52 int	ffs_alloc(struct inode *,
53 	    ufs2_daddr_t, ufs2_daddr_t, int, struct ucred *, ufs2_daddr_t *);
54 int	ffs_balloc_ufs1(struct vnode *a_vp, off_t a_startoffset, int a_size,
55             struct ucred *a_cred, int a_flags, struct buf **a_bpp);
56 int	ffs_balloc_ufs2(struct vnode *a_vp, off_t a_startoffset, int a_size,
57             struct ucred *a_cred, int a_flags, struct buf **a_bpp);
58 int	ffs_blkatoff(struct vnode *, off_t, char **, struct buf **);
59 void	ffs_blkfree(struct fs *, struct vnode *, ufs2_daddr_t, long, ino_t);
60 ufs2_daddr_t ffs_blkpref_ufs1(struct inode *, ufs_lbn_t, int, ufs1_daddr_t *);
61 ufs2_daddr_t ffs_blkpref_ufs2(struct inode *, ufs_lbn_t, int, ufs2_daddr_t *);
62 int	ffs_checkfreefile(struct fs *, struct vnode *, ino_t);
63 void	ffs_clrblock(struct fs *, u_char *, ufs1_daddr_t);
64 void	ffs_clusteracct	(struct fs *, struct cg *, ufs1_daddr_t, int);
65 vfs_fhtovp_t ffs_fhtovp;
66 int	ffs_flushfiles(struct mount *, int, struct thread *);
67 void	ffs_fragacct(struct fs *, int, int32_t [], int);
68 int	ffs_freefile(struct fs *, struct vnode *, ino_t, int);
69 int	ffs_isblock(struct fs *, u_char *, ufs1_daddr_t);
70 void	ffs_load_inode(struct buf *, struct inode *, struct fs *, ino_t);
71 int	ffs_mountroot(void);
72 vfs_mount_t ffs_mount;
73 int	ffs_reallocblks(struct vop_reallocblks_args *);
74 int	ffs_realloccg(struct inode *, ufs2_daddr_t, ufs2_daddr_t,
75 	    ufs2_daddr_t, int, int, struct ucred *, struct buf **);
76 void	ffs_setblock(struct fs *, u_char *, ufs1_daddr_t);
77 int	ffs_snapblkfree(struct fs *, struct vnode *, ufs2_daddr_t, long, ino_t);
78 void	ffs_snapremove(struct vnode *vp);
79 int	ffs_snapshot(struct mount *mp, char *snapfile);
80 void	ffs_snapshot_mount(struct mount *mp);
81 void	ffs_snapshot_unmount(struct mount *mp);
82 vfs_statfs_t ffs_statfs;
83 vfs_sync_t ffs_sync;
84 int	ffs_truncate(struct vnode *, off_t, int, struct ucred *, struct thread *);
85 vfs_unmount_t ffs_unmount;
86 int	ffs_update(struct vnode *, int);
87 int	ffs_valloc(struct vnode *, int, struct ucred *, struct vnode **);
88 
89 int	ffs_vfree(struct vnode *, ino_t, int);
90 vfs_vget_t ffs_vget;
91 vfs_vptofh_t ffs_vptofh;
92 
93 extern vop_t **ffs_vnodeop_p;
94 extern vop_t **ffs_specop_p;
95 extern vop_t **ffs_fifoop_p;
96 
97 /*
98  * Soft update function prototypes.
99  */
100 void	softdep_initialize(void);
101 void	softdep_uninitialize(void);
102 int	softdep_mount(struct vnode *, struct mount *, struct fs *,
103 	    struct ucred *);
104 int	softdep_flushworklist(struct mount *, int *, struct thread *);
105 int	softdep_flushfiles(struct mount *, int, struct thread *);
106 void	softdep_update_inodeblock(struct inode *, struct buf *, int);
107 void	softdep_load_inodeblock(struct inode *);
108 void	softdep_freefile(struct vnode *, ino_t, int);
109 int	softdep_request_cleanup(struct fs *, struct vnode *);
110 void	softdep_setup_freeblocks(struct inode *, off_t, int);
111 void	softdep_setup_inomapdep(struct buf *, struct inode *, ino_t);
112 void	softdep_setup_blkmapdep(struct buf *, struct fs *, ufs2_daddr_t);
113 void	softdep_setup_allocdirect(struct inode *, ufs_lbn_t, ufs2_daddr_t,
114 	    ufs2_daddr_t, long, long, struct buf *);
115 void	softdep_setup_allocext(struct inode *, ufs_lbn_t, ufs2_daddr_t,
116 	    ufs2_daddr_t, long, long, struct buf *);
117 void	softdep_setup_allocindir_meta(struct buf *, struct inode *,
118 	    struct buf *, int, ufs2_daddr_t);
119 void	softdep_setup_allocindir_page(struct inode *, ufs_lbn_t,
120 	    struct buf *, int, ufs2_daddr_t, ufs2_daddr_t, struct buf *);
121 void	softdep_fsync_mountdev(struct vnode *);
122 int	softdep_sync_metadata(struct vop_fsync_args *);
123 /* XXX incorrectly moved to mount.h - should be indirect function */
124 #if 0
125 int	softdep_fsync(struct vnode *vp);
126 #endif
127 
128 #endif /* !_UFS_FFS_EXTERN_H */
129