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: releng/8.0/sys/ufs/ffs/ffs_extern.h 187790 2009-01-27 21:48:47Z rwatson $
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 *, ufs2_daddr_t, ufs2_daddr_t, int, int,
52 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, 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 void process_deferred_inactive(struct mount *mp);
84 int ffs_syncvnode(struct vnode *vp, int waitfor);
85 int ffs_truncate(struct vnode *, off_t, int, struct ucred *, struct thread *);
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 int ffs_vgetf(struct mount *, ino_t, int, struct vnode **, int);
92
93 #define FFSV_FORCEINSMQ 0x0001
94
95 extern struct vop_vector ffs_vnodeops1;
96 extern struct vop_vector ffs_fifoops1;
97 extern struct vop_vector ffs_vnodeops2;
98 extern struct vop_vector ffs_fifoops2;
99
100 /*
101 * Soft update function prototypes.
102 */
103
104 int softdep_check_suspend(struct mount *, struct vnode *,
105 int, int, int, int);
106 void softdep_get_depcounts(struct mount *, int *, int *);
107 void softdep_initialize(void);
108 void softdep_uninitialize(void);
109 int softdep_mount(struct vnode *, struct mount *, struct fs *,
110 struct ucred *);
111 void softdep_move_dependencies(struct buf *, struct buf *);
112 int softdep_flushworklist(struct mount *, int *, struct thread *);
113 int softdep_flushfiles(struct mount *, int, struct thread *);
114 void softdep_update_inodeblock(struct inode *, struct buf *, int);
115 void softdep_load_inodeblock(struct inode *);
116 void softdep_freefile(struct vnode *, ino_t, int);
117 int softdep_request_cleanup(struct fs *, struct vnode *);
118 void softdep_setup_freeblocks(struct inode *, off_t, int);
119 void softdep_setup_inomapdep(struct buf *, struct inode *, ino_t);
120 void softdep_setup_blkmapdep(struct buf *, struct mount *, ufs2_daddr_t);
121 void softdep_setup_allocdirect(struct inode *, ufs_lbn_t, ufs2_daddr_t,
122 ufs2_daddr_t, long, long, struct buf *);
123 void softdep_setup_allocext(struct inode *, ufs_lbn_t, ufs2_daddr_t,
124 ufs2_daddr_t, long, long, struct buf *);
125 void softdep_setup_allocindir_meta(struct buf *, struct inode *,
126 struct buf *, int, ufs2_daddr_t);
127 void softdep_setup_allocindir_page(struct inode *, ufs_lbn_t,
128 struct buf *, int, ufs2_daddr_t, ufs2_daddr_t, struct buf *);
129 void softdep_fsync_mountdev(struct vnode *);
130 int softdep_sync_metadata(struct vnode *);
131 int softdep_process_worklist(struct mount *, int);
132 int softdep_fsync(struct vnode *);
133 int softdep_waitidle(struct mount *);
134
135 int ffs_rdonly(struct inode *);
136
137 #endif /* !_UFS_FFS_EXTERN_H */
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