2 * Copyright (c) 1991, 1993, 1994
3 * The Regents of the University of California. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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. 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.
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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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
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29 * @(#)ffs_extern.h 8.6 (Berkeley) 3/30/95
30 * $FreeBSD: src/sys/ufs/ffs/ffs_extern.h,v 1.30 2000/01/09 22:40:02 mckusick Exp $
31 * $DragonFly: src/sys/vfs/ufs/ffs_extern.h,v 1.15 2008/09/17 21:44:25 dillon Exp $
34 #ifndef _VFS_UFS_EXTERN_H
35 #define _VFS_UFS_EXTERN_H
38 * Sysctl values for the fast filesystem.
40 #define FFS_REALLOCBLKS 3 /* block reallocation enabled */
41 #define FFS_ASYNCFREE 4 /* asynchronous block freeing enabled */
42 #define FFS_MAXID 5 /* number of valid ffs ids */
48 { "doreallocblks", CTLTYPE_INT }, \
49 { "doasyncfree", CTLTYPE_INT }, \
64 struct vop_balloc_args;
66 struct vop_fsync_args;
67 struct vop_reallocblks_args;
69 int ffs_alloc(struct inode *,
70 ufs_daddr_t, ufs_daddr_t, int, struct ucred *, ufs_daddr_t *);
71 int ffs_balloc(struct vop_balloc_args *);
72 int ffs_blkatoff(struct vnode *, off_t, char **, struct buf **);
73 int ffs_blkatoff_ra(struct vnode *, off_t, char **, struct buf **, int);
74 void ffs_blkfree(struct inode *, ufs_daddr_t, long);
75 ufs_daddr_t ffs_blkpref(struct inode *, ufs_daddr_t, int, ufs_daddr_t *);
76 int ffs_bmap(struct vop_bmap_args *);
77 void ffs_clrblock(struct fs *, u_char *, ufs_daddr_t);
78 int ffs_fhtovp(struct mount *, struct vnode *,
79 struct fid *, struct vnode **);
80 int ffs_flushfiles(struct mount *, int);
81 void ffs_fragacct(struct fs *, int, int32_t [], int);
82 int ffs_freefile( struct vnode *, ino_t, int );
83 int ffs_isblock(struct fs *, u_char *, ufs_daddr_t);
84 int ffs_isfreeblock(struct fs *, unsigned char *, ufs_daddr_t);
85 int ffs_mountfs(struct vnode *, struct mount *, struct malloc_type *);
86 int ffs_mountroot(void);
87 int ffs_reallocblks(struct vop_reallocblks_args *);
88 int ffs_realloccg(struct inode *,
89 ufs_daddr_t, ufs_daddr_t, int, int, struct ucred *, struct buf **);
90 void ffs_setblock(struct fs *, u_char *, ufs_daddr_t);
91 int ffs_statfs(struct mount *, struct statfs *, struct ucred *);
92 int ffs_sync(struct mount *, int);
93 int ffs_truncate(struct vnode *, off_t, int, struct ucred *);
94 int ffs_unmount(struct mount *, int);
95 int ffs_update(struct vnode *, int);
96 int ffs_valloc(struct vnode *, int, struct ucred *, struct vnode **);
98 int ffs_vfree(struct vnode *, ino_t, int);
99 int ffs_vget(struct mount *, struct vnode *, ino_t, struct vnode **);
100 int ffs_vptofh(struct vnode *, struct fid *);
103 * Soft update function prototypes.
105 void softdep_initialize(void);
106 int softdep_mount(struct vnode *, struct mount *, struct fs *);
107 int softdep_flushfiles(struct mount *, int);
108 void softdep_update_inodeblock(struct inode *, struct buf *, int);
109 void softdep_load_inodeblock(struct inode *);
110 void softdep_freefile(struct vnode *, ino_t, int);
111 void softdep_setup_freeblocks(struct inode *, off_t);
112 void softdep_setup_inomapdep(struct buf *, struct inode *, ino_t);
113 void softdep_setup_blkmapdep(struct buf *, struct fs *, ufs_daddr_t);
114 void softdep_setup_allocdirect(struct inode *, ufs_lbn_t, ufs_daddr_t,
115 ufs_daddr_t, long, long, struct buf *);
116 void softdep_setup_allocindir_meta(struct buf *, struct inode *,
117 struct buf *, int, ufs_daddr_t);
118 void softdep_setup_allocindir_page(struct inode *, ufs_lbn_t,
119 struct buf *, int, ufs_daddr_t, ufs_daddr_t, struct buf *);
120 void softdep_fsync_mountdev(struct vnode *);
121 int softdep_sync_metadata(struct vnode *, struct thread *);
123 #endif /* !_VFS_UFS_EXTERN_H */