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1 | /*****************************************************************************\ |
2 | * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. | |
3 | * Copyright (C) 2007 The Regents of the University of California. | |
4 | * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). | |
5 | * Written by Brian Behlendorf <behlendorf1@llnl.gov>. | |
6 | * UCRL-CODE-235197 | |
7 | * | |
8 | * This file is part of the SPL, Solaris Porting Layer. | |
3d6af2dd | 9 | * For details, see <http://zfsonlinux.org/>. |
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10 | * |
11 | * The SPL is free software; you can redistribute it and/or modify it | |
12 | * under the terms of the GNU General Public License as published by the | |
13 | * Free Software Foundation; either version 2 of the License, or (at your | |
14 | * option) any later version. | |
15 | * | |
16 | * The SPL is distributed in the hope that it will be useful, but WITHOUT | |
17 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
18 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
19 | * for more details. | |
20 | * | |
21 | * You should have received a copy of the GNU General Public License along | |
22 | * with the SPL. If not, see <http://www.gnu.org/licenses/>. | |
23 | \*****************************************************************************/ | |
24 | ||
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25 | #ifndef _SPL_MUTEX_COMPAT_H |
26 | #define _SPL_MUTEX_COMPAT_H | |
27 | ||
28 | #include <linux/mutex.h> | |
29 | ||
30 | /* mutex_lock_nested() introduced in 2.6.18 */ | |
31 | #ifndef HAVE_MUTEX_LOCK_NESTED | |
32 | # define mutex_lock_nested(lock, subclass) mutex_lock(lock) | |
33 | #endif /* HAVE_MUTEX_LOCK_NESTED */ | |
34 | ||
35 | #endif /* _SPL_MUTEX_COMPAT_H */ | |
36 |