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/*
* Copyright (C) 2010-2011 Junjiro R. Okajima
*
* This program, aufs 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.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
/*
* very ugly approach for aufs_mmap()
* never include this file from other than f_op.c.
* see f_op.c in detail.
*/
#ifndef __AUFS_MTX_H__
#define __AUFS_MTX_H__
#ifdef __KERNEL__
/* copied from ../kernel/mutex{,-debug}.h */
struct mutex;
struct thread_info;
#ifdef CONFIG_DEBUG_MUTEXES
static inline void mutex_set_owner(struct mutex *lock)
{
lock->owner = current;
}
#else
static inline void mutex_set_owner(struct mutex *lock)
{
#ifdef CONFIG_SMP
lock->owner = current;
#endif
}
#endif
#endif /* __KERNEL__ */
#endif /* __AUFS_MTX_H__ */
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