1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21/*
22 * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
23 * Use is subject to license terms.
24 */
25
26#ifndef	_SYS_FS_ZFS_DIR_H
27#define	_SYS_FS_ZFS_DIR_H
28
29#include <sys/pathname.h>
30#include <sys/dmu.h>
31#include <sys/zfs_znode.h>
32
33#ifdef	__cplusplus
34extern "C" {
35#endif
36
37/* zfs_dirent_lock() flags */
38#define	ZNEW		0x0001		/* entry should not exist */
39#define	ZEXISTS		0x0002		/* entry should exist */
40#define	ZSHARED		0x0004		/* shared access (zfs_dirlook()) */
41#define	ZXATTR		0x0008		/* we want the xattr dir */
42#define	ZRENAMING	0x0010		/* znode is being renamed */
43#define	ZCILOOK		0x0020		/* case-insensitive lookup requested */
44#define	ZCIEXACT	0x0040		/* c-i requires c-s match (rename) */
45#define	ZHAVELOCK	0x0080		/* z_name_lock is already held */
46
47/* mknode flags */
48#define	IS_ROOT_NODE	0x01		/* create a root node */
49#define	IS_XATTR	0x02		/* create an extended attribute node */
50
51extern int zfs_dirent_lock(zfs_dirlock_t **, znode_t *, char *, znode_t **,
52    int, int *, pathname_t *);
53extern void zfs_dirent_unlock(zfs_dirlock_t *);
54extern int zfs_link_create(zfs_dirlock_t *, znode_t *, dmu_tx_t *, int);
55extern int zfs_link_destroy(zfs_dirlock_t *, znode_t *, dmu_tx_t *, int,
56    boolean_t *);
57extern int zfs_dirlook(znode_t *, char *, vnode_t **, int, int *,
58    pathname_t *);
59extern void zfs_mknode(znode_t *, vattr_t *, dmu_tx_t *, cred_t *,
60    uint_t, znode_t **, zfs_acl_ids_t *);
61extern void zfs_rmnode(znode_t *);
62extern void zfs_dl_name_switch(zfs_dirlock_t *dl, char *new, char **old);
63extern boolean_t zfs_dirempty(znode_t *);
64extern void zfs_unlinked_add(znode_t *, dmu_tx_t *);
65extern void zfs_unlinked_drain(zfsvfs_t *zfsvfs);
66extern int zfs_sticky_remove_access(znode_t *, znode_t *, cred_t *cr);
67extern int zfs_get_xattrdir(znode_t *, vnode_t **, cred_t *, int);
68extern int zfs_make_xattrdir(znode_t *, vattr_t *, vnode_t **, cred_t *);
69
70#ifdef	__cplusplus
71}
72#endif
73
74#endif	/* _SYS_FS_ZFS_DIR_H */
75