ulfs_extern.h revision 1.14 1 /* $NetBSD: ulfs_extern.h,v 1.14 2015/03/27 17:27:56 riastradh 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 #define ulfs_mmap genfs_mmap
79 #define ulfs_revoke genfs_revoke
80 int ulfs_open(void *);
81 int ulfs_pathconf(void *);
82 int ulfs_print(void *);
83 int ulfs_readdir(void *);
84 int ulfs_readlink(void *);
85 int ulfs_remove(void *);
86 int ulfs_rmdir(void *);
87 #define ulfs_seek genfs_seek
88 #define ulfs_poll genfs_poll
89 int ulfs_setattr(void *);
90 int ulfs_strategy(void *);
91 #define ulfs_unlock genfs_unlock
92 int ulfs_whiteout(void *);
93 int ulfsspec_close(void *);
94 int ulfsspec_read(void *);
95 int ulfsspec_write(void *);
96
97 int ulfsfifo_read(void *);
98 int ulfsfifo_write(void *);
99 int ulfsfifo_close(void *);
100
101 /* ulfs_bmap.c */
102 typedef bool (*ulfs_issequential_callback_t)(const struct lfs *,
103 daddr_t, daddr_t);
104 int ulfs_bmaparray(struct vnode *, daddr_t, daddr_t *, struct indir *,
105 int *, int *, ulfs_issequential_callback_t);
106 int ulfs_getlbns(struct vnode *, daddr_t, struct indir *, int *);
107
108 /* ulfs_ihash.c */
109 void ulfs_ihashinit(void);
110 void ulfs_ihashreinit(void);
111 void ulfs_ihashdone(void);
112 struct vnode *ulfs_ihashlookup(dev_t, ino_t);
113 struct vnode *ulfs_ihashget(dev_t, ino_t, int);
114 void ulfs_ihashins(struct inode *);
115 void ulfs_ihashrem(struct inode *);
116
117 /* ulfs_inode.c */
118 int ulfs_reclaim(struct vnode *);
119 int ulfs_balloc_range(struct vnode *, off_t, off_t, kauth_cred_t, int);
120
121 /* ulfs_lookup.c */
122 void ulfs_dirbad(struct inode *, doff_t, const char *);
123 int ulfs_dirbadentry(struct vnode *, struct lfs_direct *, int);
124 void ulfs_makedirentry(struct inode *, struct componentname *,
125 struct lfs_direct *);
126 int ulfs_direnter(struct vnode *, const struct ulfs_lookup_results *,
127 struct vnode *, struct lfs_direct *,
128 struct componentname *, struct buf *);
129 int ulfs_dirremove(struct vnode *, const struct ulfs_lookup_results *,
130 struct inode *, int, int);
131 int ulfs_dirrewrite(struct inode *, off_t,
132 struct inode *, ino_t, int, int, int);
133 int ulfs_dirempty(struct inode *, ino_t, kauth_cred_t);
134 int ulfs_blkatoff(struct vnode *, off_t, char **, struct buf **, bool);
135
136 /* ulfs_quota.c */
137 /*
138 * Flags to lfs_chkdq() and lfs_chkiq()
139 */
140 #define FORCE 0x01 /* force usage changes independent of limits */
141 void ulfsquota_init(struct inode *);
142 void ulfsquota_free(struct inode *);
143 int lfs_chkdq(struct inode *, int64_t, kauth_cred_t, int);
144 int lfs_chkiq(struct inode *, int32_t, kauth_cred_t, int);
145 int lfsquota_handle_cmd(struct mount *, struct lwp *,
146 struct quotactl_args *);
147
148 int lfs_qsync(struct mount *);
149
150 /* ulfs_quota1.c */
151 int lfsquota1_umount(struct mount *, int);
152
153 /* ulfs_quota2.c */
154 int lfsquota2_umount(struct mount *, int);
155 int lfs_quota2_mount(struct mount *);
156
157 /* ulfs_vfsops.c */
158 void ulfs_init(void);
159 void ulfs_reinit(void);
160 void ulfs_done(void);
161 int ulfs_start(struct mount *, int);
162 int ulfs_root(struct mount *, struct vnode **);
163 int ulfs_quotactl(struct mount *, struct quotactl_args *);
164 int ulfs_fhtovp(struct mount *, struct ulfs_ufid *, struct vnode **);
165
166 /* ulfs_vnops.c */
167 void ulfs_vinit(struct mount *, int (**)(void *),
168 int (**)(void *), struct vnode **);
169 int ulfs_makeinode(int, struct vnode *, const struct ulfs_lookup_results *,
170 struct vnode **, struct componentname *);
171 int ulfs_gop_alloc(struct vnode *, off_t, off_t, int, kauth_cred_t);
172 void ulfs_gop_markupdate(struct vnode *, int);
173 int ulfs_bufio(enum uio_rw, struct vnode *, void *, size_t, off_t, int,
174 kauth_cred_t, size_t *, struct lwp *);
175
176 /*
177 * Snapshot function prototypes.
178 */
179
180 void ulfs_snapgone(struct inode *);
181
182 __END_DECLS
183
184 extern kmutex_t ulfs_ihash_lock;
185 extern kmutex_t ulfs_hashlock;
186
187 #endif /* !_UFS_LFS_ULFS_EXTERN_H_ */
188