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 * 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.
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
29 * @(#)ufs_extern.h 8.10 (Berkeley) 5/14/95
33 #ifndef _UFS_UFS_EXTERN_H_
34 #define _UFS_UFS_EXTERN_H_
48 struct vop_cachedlookup_args;
49 struct vop_generic_args;
50 struct vop_inactive_args;
51 struct vop_reclaim_args;
53 extern struct vop_vector ufs_fifoops;
54 extern struct vop_vector ufs_vnodeops;
56 int ufs_bmap(struct vop_bmap_args *);
57 int ufs_bmaparray(struct vnode *, ufs2_daddr_t, ufs2_daddr_t *,
58 struct buf *, int *, int *);
59 int ufs_fhtovp(struct mount *, struct ufid *, int, struct vnode **);
60 int ufs_checkpath(ino_t, ino_t, struct inode *, struct ucred *, ino_t *);
61 void ufs_dirbad(struct inode *, doff_t, char *);
62 int ufs_dirbadentry(struct vnode *, struct direct *, int);
63 int ufs_dirempty(struct inode *, ino_t, struct ucred *);
64 int ufs_extread(struct vop_read_args *);
65 int ufs_extwrite(struct vop_write_args *);
66 void ufs_makedirentry(struct inode *, struct componentname *,
68 int ufs_direnter(struct vnode *, struct vnode *, struct direct *,
69 struct componentname *, struct buf *, int);
70 int ufs_dirremove(struct vnode *, struct inode *, int, int);
71 int ufs_dirrewrite(struct inode *, struct inode *, ino_t, int, int);
72 int ufs_lookup_ino(struct vnode *, struct vnode **, struct componentname *,
74 int ufs_getlbns(struct vnode *, ufs2_daddr_t, struct indir *, int *);
75 int ufs_inactive(struct vop_inactive_args *);
76 int ufs_init(struct vfsconf *);
77 void ufs_itimes(struct vnode *vp);
78 int ufs_lookup(struct vop_cachedlookup_args *);
79 void ufs_prepare_reclaim(struct vnode *vp);
80 int ufs_readdir(struct vop_readdir_args *);
81 int ufs_reclaim(struct vop_reclaim_args *);
82 void ffs_snapgone(struct inode *);
84 int ufs_uninit(struct vfsconf *);
85 int ufs_vinit(struct mount *, struct vop_vector *, struct vnode **);
87 #include <sys/sysctl.h>
88 SYSCTL_DECL(_vfs_ufs);
91 * Soft update function prototypes.
93 int softdep_setup_directory_add(struct buf *, struct inode *, off_t,
94 ino_t, struct buf *, int);
95 void softdep_change_directoryentry_offset(struct buf *, struct inode *,
96 caddr_t, caddr_t, caddr_t, int);
97 void softdep_setup_remove(struct buf *,struct inode *, struct inode *, int);
98 void softdep_setup_directory_change(struct buf *, struct inode *,
99 struct inode *, ino_t, int);
100 void softdep_change_linkcnt(struct inode *);
101 void softdep_releasefile(struct inode *);
102 int softdep_slowdown(struct vnode *);
103 void softdep_setup_create(struct inode *, struct inode *);
104 void softdep_setup_dotdot_link(struct inode *, struct inode *);
105 void softdep_setup_link(struct inode *, struct inode *);
106 void softdep_setup_mkdir(struct inode *, struct inode *);
107 void softdep_setup_rmdir(struct inode *, struct inode *);
108 void softdep_setup_unlink(struct inode *, struct inode *);
109 void softdep_revert_create(struct inode *, struct inode *);
110 void softdep_revert_dotdot_link(struct inode *, struct inode *);
111 void softdep_revert_link(struct inode *, struct inode *);
112 void softdep_revert_mkdir(struct inode *, struct inode *);
113 void softdep_revert_rmdir(struct inode *, struct inode *);
116 * Flags to low-level allocation routines. The low 16-bits are reserved
117 * for IO_ flags from vnode.h.
119 * Note: The general vfs code typically limits the sequential heuristic
120 * count to 127. See sequential_heuristic() in kern/vfs_vnops.c
122 #define BA_CLRBUF 0x00010000 /* Clear invalid areas of buffer. */
123 #define BA_METAONLY 0x00020000 /* Return indirect block buffer. */
124 #define BA_UNMAPPED 0x00040000 /* Do not mmap resulted buffer. */
125 #define BA_SEQMASK 0x7F000000 /* Bits holding seq heuristic. */
126 #define BA_SEQSHIFT 24
127 #define BA_SEQMAX 0x7F
129 #endif /* !_UFS_UFS_EXTERN_H_ */