mirror_zfs/include/linux/mutex_compat.h

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#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 */