master
  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
 65struct buf;
 66struct fid;
 67struct m_ext2fs;
 68struct inode;
 69struct mount;
 70struct nameidata;
 71struct lwp;
 72struct proc;
 73struct statvfs;
 74struct timeval;
 75struct ufsmount;
 76struct uio;
 77struct vnode;
 78struct mbuf;
 79struct componentname;
 80struct ufs_lookup_results;
 81struct ext2fs_searchslot;
 82struct ext2fs_direct;
 83
 84extern struct pool ext2fs_inode_pool;		/* memory pool for inodes */
 85extern 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 */
 94int ext2fs_alloc(struct inode *, daddr_t, daddr_t , kauth_cred_t,
 95		   daddr_t *);
 96int ext2fs_realloccg(struct inode *, daddr_t, daddr_t, int, int ,
 97			  kauth_cred_t, struct buf **);
 98int ext2fs_valloc(struct vnode *, int, kauth_cred_t, ino_t *);
 99/* XXX ondisk32 */
100daddr_t ext2fs_blkpref(struct inode *, daddr_t, int, int32_t *);
101void ext2fs_blkfree(struct inode *, daddr_t);
102int ext2fs_vfree(struct vnode *, ino_t, int);
103int ext2fs_cg_verify_and_initialize(struct vnode *, struct m_ext2fs *, int);
104
105/* ext2fs_balloc.c */
106int ext2fs_balloc(struct inode *, daddr_t, int, kauth_cred_t,
107			struct buf **, int);
108int ext2fs_gop_alloc(struct vnode *, off_t, off_t, int, kauth_cred_t);
109
110/* ext2fs_bmap.c */
111int ext2fs_bmap(void *);
112
113/* ext2fs_inode.c */
114uint64_t ext2fs_size(struct inode *);
115int ext2fs_setsize(struct inode *, uint64_t);
116uint64_t ext2fs_nblock(struct inode *);
117int ext2fs_setnblock(struct inode *, uint64_t);
118int ext2fs_update(struct vnode *, const struct timespec *,
119    const struct timespec *, int);
120int ext2fs_truncate(struct vnode *, off_t, int, kauth_cred_t);
121int ext2fs_inactive(void *);
122
123/* ext2fs_lookup.c */
124int ext2fs_readdir(void *);
125int ext2fs_lookup(void *);
126int ext2fs_search_dirblock(struct inode *, void *, int *,
127    const char *, int , int *, doff_t *, doff_t *, doff_t *,
128    struct ext2fs_searchslot *);
129int ext2fs_direnter(struct inode *, struct vnode *,
130			 const struct ufs_lookup_results *,
131			 struct componentname *);
132int ext2fs_dirremove(struct vnode *, const struct ufs_lookup_results *,
133		     struct componentname *);
134int ext2fs_dirrewrite(struct inode *, const struct ufs_lookup_results *,
135			   struct inode *, struct componentname *);
136int ext2fs_dirempty(struct inode *, ino_t, kauth_cred_t);
137int ext2fs_add_entry(struct vnode *, struct ext2fs_direct *,
138    const struct ufs_lookup_results *, size_t); 
139
140/* ext2fs_subr.c */
141int ext2fs_blkatoff(struct vnode *, off_t, char **, struct buf **);
142void ext2fs_fragacct(struct m_ext2fs *, int, int32_t[], int);
143void ext2fs_itimes(struct inode *, const struct timespec *,
144    const struct timespec *, const struct timespec *);
145
146/* ext2fs_vfsops.c */
147VFS_PROTOS(ext2fs);
148int ext2fs_reload(struct mount *, kauth_cred_t, struct lwp *);
149int ext2fs_mountfs(struct vnode *, struct mount *);
150int ext2fs_flushfiles(struct mount *, int);
151int ext2fs_sbupdate(struct ufsmount *, int);
152int ext2fs_cgupdate(struct ufsmount *, int);
153void ext2fs_set_inode_guid(struct inode *);
154
155/* ext2fs_readwrite.c */
156int ext2fs_read(void *);
157int ext2fs_write(void *);
158int ext2fs_bufrd(struct vnode *, struct uio *, int, kauth_cred_t);
159int ext2fs_bufwr(struct vnode *, struct uio *, int, kauth_cred_t);
160
161/* ext2fs_vnops.c */
162int ext2fs_create(void *);
163int ext2fs_mknod(void *);
164int ext2fs_open(void *);
165int ext2fs_access(void *);
166int ext2fs_getattr(void *);
167int ext2fs_setattr(void *);
168int ext2fs_remove(void *);
169int ext2fs_link(void *);
170int ext2fs_rename(void *);
171int ext2fs_mkdir(void *);
172int ext2fs_rmdir(void *);
173int ext2fs_symlink(void *);
174int ext2fs_readlink(void *);
175int ext2fs_advlock(void *);
176int ext2fs_fsync(void *);
177int ext2fs_vinit(struct mount *, int (**specops)(void *),
178		      int (**fifoops)(void *), struct vnode **);
179int ext2fs_reclaim(void *);
180
181/* ext2fs_hash.c */
182int ext2fs_htree_hash(const char *, int, uint32_t *, int, uint32_t *,
183    uint32_t *);
184       
185/* ext2fs_htree.c */        
186int ext2fs_htree_has_idx(struct inode *);
187int ext2fs_htree_lookup(struct inode *, const char *, int, struct buf **,
188    int *, doff_t *, doff_t *, doff_t *, struct ext2fs_searchslot *);
189int ext2fs_htree_create_index(struct vnode *, struct componentname *,
190    struct ext2fs_direct *);
191int 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
198extern int (**ext2fs_vnodeop_p)(void *);
199extern int (**ext2fs_specop_p)(void *);
200extern int (**ext2fs_fifoop_p)(void *);
201
202#endif /* !_UFS_EXT2FS_EXT2FS_EXTERN_H_ */