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Diffstat (limited to 'module/os/linux/spl/spl-atomic.c')
| -rw-r--r-- | module/os/linux/spl/spl-atomic.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/module/os/linux/spl/spl-atomic.c b/module/os/linux/spl/spl-atomic.c new file mode 100644 index 000000000000..47ed1886e157 --- /dev/null +++ b/module/os/linux/spl/spl-atomic.c @@ -0,0 +1,36 @@ +/* + * 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/>. + * + * Solaris Porting Layer (SPL) Atomic Implementation. + */ + +#include <sys/atomic.h> + +#ifdef ATOMIC_SPINLOCK +/* Global atomic lock declarations */ +DEFINE_SPINLOCK(atomic32_lock); +DEFINE_SPINLOCK(atomic64_lock); + +EXPORT_SYMBOL(atomic32_lock); +EXPORT_SYMBOL(atomic64_lock); +#endif /* ATOMIC_SPINLOCK */ |