xref: /netbsd/sys/ufs/ext2fs/ext2fs_extern.h (revision 028e7bb3)
1 /*	$NetBSD: ext2fs_extern.h,v 1.56 2017/05/28 16:38:55 hannken Exp $	*/
2 
3 /*-
4  * Copyright (c) 1991, 1993, 1994
5  *	The Regents of the University of California.  All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. Neither the name of the University nor the names of its contributors
16  *    may be used to endorse or promote products derived from this software
17  *    without specific prior written permission.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29  * SUCH DAMAGE.
30  *
31  *	@(#)ffs_extern.h	8.3 (Berkeley) 4/16/94
32  * Modified for ext2fs by Manuel Bouyer.
33  */
34 
35 /*-
36  * Copyright (c) 1997 Manuel Bouyer.
37  *
38  * Redistribution and use in source and binary forms, with or without
39  * modification, are permitted provided that the following conditions
40  * are met:
41  * 1. Redistributions of source code must retain the above copyright
42  *    notice, this list of conditions and the following disclaimer.
43  * 2. Redistributions in binary form must reproduce the above copyright
44  *    notice, this list of conditions and the following disclaimer in the
45  *    documentation and/or other materials provided with the distribution.
46  *
47  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
48  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
49  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
50  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
51  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
52  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
53  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
54  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
55  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
56  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
57  *
58  *	@(#)ffs_extern.h	8.3 (Berkeley) 4/16/94
59  * Modified for ext2fs by Manuel Bouyer.
60  */
61 
62 #ifndef _UFS_EXT2FS_EXT2FS_EXTERN_H_
63 #define _UFS_EXT2FS_EXT2FS_EXTERN_H_
64 
65 struct buf;
66 struct fid;
67 struct m_ext2fs;
68 struct inode;
69 struct mount;
70 struct nameidata;
71 struct lwp;
72 struct proc;
73 struct statvfs;
74 struct timeval;
75 struct ufsmount;
76 struct uio;
77 struct vnode;
78 struct mbuf;
79 struct componentname;
80 struct ufs_lookup_results;
81 struct ext2fs_searchslot;
82 struct ext2fs_direct;
83 
84 extern struct pool ext2fs_inode_pool;		/* memory pool for inodes */
85 extern struct pool ext2fs_dinode_pool;		/* memory pool for dinodes */
86 
87 #define	EXT2FS_ITIMES(ip, acc, mod, cre) \
88 	while ((ip)->i_flag & (IN_ACCESS | IN_CHANGE | IN_UPDATE | IN_MODIFY)) \
89 		ext2fs_itimes(ip, acc, mod, cre)
90 
91 __BEGIN_DECLS
92 
93 /* ext2fs_alloc.c */
94 int ext2fs_alloc(struct inode *, daddr_t, daddr_t , kauth_cred_t,
95 		   daddr_t *);
96 int ext2fs_realloccg(struct inode *, daddr_t, daddr_t, int, int ,
97 			  kauth_cred_t, struct buf **);
98 int ext2fs_valloc(struct vnode *, int, kauth_cred_t, ino_t *);
99 /* XXX ondisk32 */
100 daddr_t ext2fs_blkpref(struct inode *, daddr_t, int, int32_t *);
101 void ext2fs_blkfree(struct inode *, daddr_t);
102 int ext2fs_vfree(struct vnode *, ino_t, int);
103 int ext2fs_cg_verify_and_initialize(struct vnode *, struct m_ext2fs *, int);
104 
105 /* ext2fs_balloc.c */
106 int ext2fs_balloc(struct inode *, daddr_t, int, kauth_cred_t,
107 			struct buf **, int);
108 int ext2fs_gop_alloc(struct vnode *, off_t, off_t, int, kauth_cred_t);
109 
110 /* ext2fs_bmap.c */
111 int ext2fs_bmap(void *);
112 
113 /* ext2fs_inode.c */
114 uint64_t ext2fs_size(struct inode *);
115 int ext2fs_setsize(struct inode *, uint64_t);
116 uint64_t ext2fs_nblock(struct inode *);
117 int ext2fs_setnblock(struct inode *, uint64_t);
118 int ext2fs_update(struct vnode *, const struct timespec *,
119     const struct timespec *, int);
120 int ext2fs_truncate(struct vnode *, off_t, int, kauth_cred_t);
121 int ext2fs_inactive(void *);
122 
123 /* ext2fs_lookup.c */
124 int ext2fs_readdir(void *);
125 int ext2fs_lookup(void *);
126 int ext2fs_search_dirblock(struct inode *, void *, int *,
127     const char *, int , int *, doff_t *, doff_t *, doff_t *,
128     struct ext2fs_searchslot *);
129 int ext2fs_direnter(struct inode *, struct vnode *,
130 			 const struct ufs_lookup_results *,
131 			 struct componentname *);
132 int ext2fs_dirremove(struct vnode *, const struct ufs_lookup_results *,
133 		     struct componentname *);
134 int ext2fs_dirrewrite(struct inode *, const struct ufs_lookup_results *,
135 			   struct inode *, struct componentname *);
136 int ext2fs_dirempty(struct inode *, ino_t, kauth_cred_t);
137 int ext2fs_add_entry(struct vnode *, struct ext2fs_direct *,
138     const struct ufs_lookup_results *, size_t);
139 
140 /* ext2fs_subr.c */
141 int ext2fs_blkatoff(struct vnode *, off_t, char **, struct buf **);
142 void ext2fs_fragacct(struct m_ext2fs *, int, int32_t[], int);
143 void ext2fs_itimes(struct inode *, const struct timespec *,
144     const struct timespec *, const struct timespec *);
145 
146 /* ext2fs_vfsops.c */
147 VFS_PROTOS(ext2fs);
148 int ext2fs_reload(struct mount *, kauth_cred_t, struct lwp *);
149 int ext2fs_mountfs(struct vnode *, struct mount *);
150 int ext2fs_flushfiles(struct mount *, int);
151 int ext2fs_sbupdate(struct ufsmount *, int);
152 int ext2fs_cgupdate(struct ufsmount *, int);
153 void ext2fs_set_inode_guid(struct inode *);
154 
155 /* ext2fs_readwrite.c */
156 int ext2fs_read(void *);
157 int ext2fs_write(void *);
158 int ext2fs_bufrd(struct vnode *, struct uio *, int, kauth_cred_t);
159 int ext2fs_bufwr(struct vnode *, struct uio *, int, kauth_cred_t);
160 
161 /* ext2fs_vnops.c */
162 int ext2fs_create(void *);
163 int ext2fs_mknod(void *);
164 int ext2fs_open(void *);
165 int ext2fs_access(void *);
166 int ext2fs_getattr(void *);
167 int ext2fs_setattr(void *);
168 int ext2fs_remove(void *);
169 int ext2fs_link(void *);
170 int ext2fs_rename(void *);
171 int ext2fs_mkdir(void *);
172 int ext2fs_rmdir(void *);
173 int ext2fs_symlink(void *);
174 int ext2fs_readlink(void *);
175 int ext2fs_advlock(void *);
176 int ext2fs_fsync(void *);
177 int ext2fs_vinit(struct mount *, int (**specops)(void *),
178 		      int (**fifoops)(void *), struct vnode **);
179 int ext2fs_reclaim(void *);
180 
181 /* ext2fs_hash.c */
182 int ext2fs_htree_hash(const char *, int, uint32_t *, int, uint32_t *,
183     uint32_t *);
184 
185 /* ext2fs_htree.c */
186 int ext2fs_htree_has_idx(struct inode *);
187 int ext2fs_htree_lookup(struct inode *, const char *, int, struct buf **,
188     int *, doff_t *, doff_t *, doff_t *, struct ext2fs_searchslot *);
189 int ext2fs_htree_create_index(struct vnode *, struct componentname *,
190     struct ext2fs_direct *);
191 int ext2fs_htree_add_entry(struct vnode *, struct ext2fs_direct *,
192     struct componentname *, size_t);
193 
194 __END_DECLS
195 
196 #define IS_EXT2_VNODE(vp)   (vp->v_tag == VT_EXT2FS)
197 
198 extern int (**ext2fs_vnodeop_p)(void *);
199 extern int (**ext2fs_specop_p)(void *);
200 extern int (**ext2fs_fifoop_p)(void *);
201 
202 #endif /* !_UFS_EXT2FS_EXT2FS_EXTERN_H_ */
203