xref: /freebsd/sys/ufs/ffs/ffs_extern.h (revision 2be1a816b9ff69588e55be0a84cbe2a31efc0f2f)
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 
51 int	ffs_alloc(struct inode *,
52 	    ufs2_daddr_t, ufs2_daddr_t, int, struct ucred *, ufs2_daddr_t *);
53 int	ffs_balloc_ufs1(struct vnode *a_vp, off_t a_startoffset, int a_size,
54             struct ucred *a_cred, int a_flags, struct buf **a_bpp);
55 int	ffs_balloc_ufs2(struct vnode *a_vp, off_t a_startoffset, int a_size,
56             struct ucred *a_cred, int a_flags, struct buf **a_bpp);
57 int	ffs_blkatoff(struct vnode *, off_t, char **, struct buf **);
58 void	ffs_blkfree(struct ufsmount *, struct fs *, struct vnode *,
59 	    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_bdflush(struct bufobj *, struct buf *);
65 int	ffs_copyonwrite(struct vnode *, struct buf *);
66 int	ffs_flushfiles(struct mount *, int, struct thread *);
67 void	ffs_fragacct(struct fs *, int, int32_t [], int);
68 int	ffs_freefile(struct ufsmount *, struct fs *, struct vnode *, ino_t,
69 	    int);
70 int	ffs_isblock(struct fs *, u_char *, ufs1_daddr_t);
71 void	ffs_load_inode(struct buf *, struct inode *, struct fs *, ino_t);
72 int	ffs_mountroot(void);
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 int	ffs_sbupdate(struct ufsmount *, int, int);
77 void	ffs_setblock(struct fs *, u_char *, ufs1_daddr_t);
78 int	ffs_snapblkfree(struct fs *, struct vnode *, ufs2_daddr_t, long, ino_t);
79 void	ffs_snapremove(struct vnode *vp);
80 int	ffs_snapshot(struct mount *mp, char *snapfile);
81 void	ffs_snapshot_mount(struct mount *mp);
82 void	ffs_snapshot_unmount(struct mount *mp);
83 int	ffs_syncvnode(struct vnode *vp, int waitfor);
84 int	ffs_truncate(struct vnode *, off_t, int, struct ucred *, struct thread *);
85 int	ffs_update(struct vnode *, int);
86 int	ffs_valloc(struct vnode *, int, struct ucred *, struct vnode **);
87 
88 int	ffs_vfree(struct vnode *, ino_t, int);
89 vfs_vget_t ffs_vget;
90 
91 extern struct vop_vector ffs_vnodeops1;
92 extern struct vop_vector ffs_fifoops1;
93 extern struct vop_vector ffs_vnodeops2;
94 extern struct vop_vector ffs_fifoops2;
95 
96 /*
97  * Soft update function prototypes.
98  */
99 
100 int	softdep_check_suspend(struct mount *, struct vnode *,
101 	  int, int, int, int);
102 void	softdep_get_depcounts(struct mount *, int *, int *);
103 void	softdep_initialize(void);
104 void	softdep_uninitialize(void);
105 int	softdep_mount(struct vnode *, struct mount *, struct fs *,
106 	    struct ucred *);
107 void	softdep_move_dependencies(struct buf *, struct buf *);
108 int	softdep_flushworklist(struct mount *, int *, struct thread *);
109 int	softdep_flushfiles(struct mount *, int, struct thread *);
110 void	softdep_update_inodeblock(struct inode *, struct buf *, int);
111 void	softdep_load_inodeblock(struct inode *);
112 void	softdep_freefile(struct vnode *, ino_t, int);
113 int	softdep_request_cleanup(struct fs *, struct vnode *);
114 void	softdep_setup_freeblocks(struct inode *, off_t, int);
115 void	softdep_setup_inomapdep(struct buf *, struct inode *, ino_t);
116 void	softdep_setup_blkmapdep(struct buf *, struct mount *, ufs2_daddr_t);
117 void	softdep_setup_allocdirect(struct inode *, ufs_lbn_t, ufs2_daddr_t,
118 	    ufs2_daddr_t, long, long, struct buf *);
119 void	softdep_setup_allocext(struct inode *, ufs_lbn_t, ufs2_daddr_t,
120 	    ufs2_daddr_t, long, long, struct buf *);
121 void	softdep_setup_allocindir_meta(struct buf *, struct inode *,
122 	    struct buf *, int, ufs2_daddr_t);
123 void	softdep_setup_allocindir_page(struct inode *, ufs_lbn_t,
124 	    struct buf *, int, ufs2_daddr_t, ufs2_daddr_t, struct buf *);
125 void	softdep_fsync_mountdev(struct vnode *);
126 int	softdep_sync_metadata(struct vnode *);
127 int     softdep_process_worklist(struct mount *, int);
128 int     softdep_fsync(struct vnode *);
129 int	softdep_waitidle(struct mount *);
130 
131 #endif /* !_UFS_FFS_EXTERN_H */
132