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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
*/
#ifndef _ZFS_CTLDIR_H
#define _ZFS_CTLDIR_H
#include <sys/vnode.h>
#include <sys/zfs_vfsops.h>
#include <sys/zfs_znode.h>
#ifdef __cplusplus
extern "C" {
#endif
#define ZFS_CTLDIR_NAME ".zfs"
#define zfs_has_ctldir(zdp) \
((zdp)->z_id == (zdp)->z_zfsvfs->z_root && \
((zdp)->z_zfsvfs->z_ctldir != NULL))
#define zfs_show_ctldir(zdp) \
(zfs_has_ctldir(zdp) && \
((zdp)->z_zfsvfs->z_show_ctldir))
void zfsctl_create(zfsvfs_t *);
void zfsctl_destroy(zfsvfs_t *);
vnode_t *zfsctl_root(znode_t *);
void zfsctl_init(void);
void zfsctl_fini(void);
boolean_t zfsctl_is_node(vnode_t *);
int zfsctl_rename_snapshot(const char *from, const char *to);
int zfsctl_destroy_snapshot(const char *snapname, int force);
int zfsctl_umount_snapshots(vfs_t *, int, cred_t *);
int zfsctl_root_lookup(vnode_t *dvp, char *nm, vnode_t **vpp, pathname_t *pnp,
int flags, vnode_t *rdir, cred_t *cr, caller_context_t *ct,
int *direntflags, pathname_t *realpnp);
int zfsctl_lookup_objset(vfs_t *vfsp, uint64_t objsetid, zfsvfs_t **zfsvfsp);
#define ZFSCTL_INO_ROOT 0x1
#define ZFSCTL_INO_SNAPDIR 0x2
#define ZFSCTL_INO_SHARES 0x3
#ifdef __cplusplus
}
#endif
#endif /* _ZFS_CTLDIR_H */