zfs/include/linux/mutex_compat.h

37 lines
1.5 KiB
C

/*****************************************************************************\
* 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.
* For details, see <http://zfsonlinux.org/>.
*
* 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_MUTEX_COMPAT_H
#define _SPL_MUTEX_COMPAT_H
#include <linux/mutex.h>
/* mutex_lock_nested() introduced in 2.6.18 */
#ifndef HAVE_MUTEX_LOCK_NESTED
# define mutex_lock_nested(lock, subclass) mutex_lock(lock)
#endif /* HAVE_MUTEX_LOCK_NESTED */
#endif /* _SPL_MUTEX_COMPAT_H */