ulfs_extern.h revision 1.8 1 /* $NetBSD: ulfs_extern.h,v 1.8 2013/07/20 20:01:24 dholland Exp $ */
2 /* from NetBSD: ufs_extern.h,v 1.72 2012/05/09 00:21:18 riastradh Exp */
3
4 /*-
5 * Copyright (c) 1991, 1993, 1994
6 * The Regents of the University of California. All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. Neither the name of the University nor the names of its contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 *
32 * @(#)ufs_extern.h 8.10 (Berkeley) 5/14/95
33 */
34
35 #ifndef _UFS_LFS_ULFS_EXTERN_H_
36 #define _UFS_LFS_ULFS_EXTERN_H_
37
38 #include <sys/mutex.h>
39
40 struct buf;
41 struct componentname;
42 struct disklabel;
43 struct dquot;
44 struct fid;
45 struct flock;
46 struct indir;
47 struct inode;
48 struct mbuf;
49 struct mount;
50 struct nameidata;
51 struct lfs_direct;
52 struct lwp;
53 struct ulfs_args;
54 struct ulfs_lookup_results;
55 struct ulfs_ufid;
56 struct ulfsmount;
57 struct uio;
58 struct vattr;
59 struct vnode;
60
61 extern pool_cache_t ulfs_direct_cache; /* memory pool for lfs_directs */
62
63 __BEGIN_DECLS
64 #define ulfs_abortop genfs_abortop
65 int ulfs_access(void *);
66 int ulfs_advlock(void *);
67 int ulfs_bmap(void *);
68 int ulfs_close(void *);
69 int ulfs_create(void *);
70 int ulfs_getattr(void *);
71 int ulfs_inactive(void *);
72 #define ulfs_fcntl genfs_fcntl
73 #define ulfs_ioctl genfs_enoioctl
74 #define ulfs_islocked genfs_islocked
75 int ulfs_link(void *);
76 #define ulfs_lock genfs_lock
77 int ulfs_lookup(void *);
78 int ulfs_mkdir(void *);
79 int ulfs_mknod(void *);
80 #define ulfs_mmap genfs_mmap
81 #define ulfs_revoke genfs_revoke
82 int ulfs_open(void *);
83 int ulfs_pathconf(void *);
84 int ulfs_print(void *);
85 int ulfs_readdir(void *);
86 int ulfs_readlink(void *);
87 int ulfs_remove(void *);
88 int ulfs_rmdir(void *);
89 #define ulfs_seek genfs_seek
90 #define ulfs_poll genfs_poll
91 int ulfs_setattr(void *);
92 int ulfs_strategy(void *);
93 int ulfs_symlink(void *);
94 #define ulfs_unlock genfs_unlock
95 int ulfs_whiteout(void *);
96 int ulfsspec_close(void *);
97 int ulfsspec_read(void *);
98 int ulfsspec_write(void *);
99
100 int ulfsfifo_read(void *);
101 int ulfsfifo_write(void *);
102 int ulfsfifo_close(void *);
103
104 /* ulfs_bmap.c */
105 typedef bool (*ulfs_issequential_callback_t)(const struct ulfsmount *,
106 daddr_t, daddr_t);
107 int ulfs_bmaparray(struct vnode *, daddr_t, daddr_t *, struct indir *,
108 int *, int *, ulfs_issequential_callback_t);
109 int ulfs_getlbns(struct vnode *, daddr_t, struct indir *, int *);
110
111 /* ulfs_ihash.c */
112 void ulfs_ihashinit(void);
113 void ulfs_ihashreinit(void);
114 void ulfs_ihashdone(void);
115 struct vnode *ulfs_ihashlookup(dev_t, ino_t);
116 struct vnode *ulfs_ihashget(dev_t, ino_t, int);
117 void ulfs_ihashins(struct inode *);
118 void ulfs_ihashrem(struct inode *);
119
120 /* ulfs_inode.c */
121 int ulfs_reclaim(struct vnode *);
122 int ulfs_balloc_range(struct vnode *, off_t, off_t, kauth_cred_t, int);
123
124 /* ulfs_lookup.c */
125 void ulfs_dirbad(struct inode *, doff_t, const char *);
126 int ulfs_dirbadentry(struct vnode *, struct lfs_direct *, int);
127 void ulfs_makedirentry(struct inode *, struct componentname *,
128 struct lfs_direct *);
129 int ulfs_direnter(struct vnode *, const struct ulfs_lookup_results *,
130 struct vnode *, struct lfs_direct *,
131 struct componentname *, struct buf *);
132 int ulfs_dirremove(struct vnode *, const struct ulfs_lookup_results *,
133 struct inode *, int, int);
134 int ulfs_dirrewrite(struct inode *, off_t,
135 struct inode *, ino_t, int, int, int);
136 int ulfs_dirempty(struct inode *, ino_t, kauth_cred_t);
137 int ulfs_checkpath(struct inode *, struct inode *, kauth_cred_t);
138 int ulfs_parentcheck(struct vnode *, struct vnode *, kauth_cred_t,
139 int *, struct vnode **);
140 int ulfs_blkatoff(struct vnode *, off_t, char **, struct buf **, bool);
141
142 /* ulfs_quota.c */
143 /*
144 * Flags to lfs_chkdq() and lfs_chkiq()
145 */
146 #define FORCE 0x01 /* force usage changes independent of limits */
147 void ulfsquota_init(struct inode *);
148 void ulfsquota_free(struct inode *);
149 int lfs_chkdq(struct inode *, int64_t, kauth_cred_t, int);
150 int lfs_chkiq(struct inode *, int32_t, kauth_cred_t, int);
151 int lfsquota_handle_cmd(struct mount *, struct lwp *,
152 struct quotactl_args *);
153
154 int lfs_qsync(struct mount *);
155
156 /* ulfs_quota1.c */
157 int lfsquota1_umount(struct mount *, int);
158
159 /* ulfs_quota2.c */
160 int lfsquota2_umount(struct mount *, int);
161
162 /* ulfs_vfsops.c */
163 void ulfs_init(void);
164 void ulfs_reinit(void);
165 void ulfs_done(void);
166 int ulfs_start(struct mount *, int);
167 int ulfs_root(struct mount *, struct vnode **);
168 int ulfs_quotactl(struct mount *, struct quotactl_args *);
169 int ulfs_fhtovp(struct mount *, struct ulfs_ufid *, struct vnode **);
170
171 /* ulfs_vnops.c */
172 void ulfs_vinit(struct mount *, int (**)(void *),
173 int (**)(void *), struct vnode **);
174 int ulfs_makeinode(int, struct vnode *, const struct ulfs_lookup_results *,
175 struct vnode **, struct componentname *);
176 int ulfs_gop_alloc(struct vnode *, off_t, off_t, int, kauth_cred_t);
177 void ulfs_gop_markupdate(struct vnode *, int);
178
179 /*
180 * Snapshot function prototypes.
181 */
182
183 void ulfs_snapgone(struct inode *);
184
185 __END_DECLS
186
187 extern kmutex_t ulfs_ihash_lock;
188 extern kmutex_t ulfs_hashlock;
189
190 #endif /* !_UFS_LFS_ULFS_EXTERN_H_ */
191