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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
* Copyright (C) 2007 The Regents of the University of California.
* Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER).
* Written by Brian Behlendorf <behlendorf1@llnl.gov>.
* UCRL-CODE-235197
*
* This file is part of the SPL, Solaris Porting Layer.
*
* The SPL is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
* The SPL is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License along
* with the SPL. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _SPL_ZONE_H
#define _SPL_ZONE_H
#include <sys/byteorder.h>
#include <sys/cred.h>
#include <linux/cred.h>
#include <linux/user_namespace.h>
/*
* Attach the given dataset to the given user namespace.
*/
extern int zone_dataset_attach(cred_t *, const char *, int);
/*
* Detach the given dataset from the given user namespace.
*/
extern int zone_dataset_detach(cred_t *, const char *, int);
/*
* Returns true if the named pool/dataset is visible in the current zone.
*/
extern int zone_dataset_visible(const char *dataset, int *write);
int spl_zone_init(void);
void spl_zone_fini(void);
extern unsigned int crgetzoneid(const cred_t *);
extern unsigned int global_zoneid(void);
extern boolean_t inglobalzone(proc_t *);
#define INGLOBALZONE(x) inglobalzone(x)
#define GLOBAL_ZONEID global_zoneid()
#endif /* SPL_ZONE_H */
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