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zfs/modules/spl/spl-atomic.c

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Correctly functioning 64-bit atomic shim layer. It's not what I would call effecient but it does have the advantage of being correct which is all I need right now. I added a regression test as well. git-svn-id: https://outreach.scidac.gov/svn/spl/trunk@57 7e1ea52c-4ff2-0310-8f11-9dd32ca42a1c
2008-03-28 18:21:09 +00:00
#include <sys/atomic.h>
Update SPL to use new debug infrastructure. This means: - Replacing all BUG_ON()'s with proper ASSERT()'s - Using ENTRY,EXIT,GOTO, and RETURN macro to instument call paths git-svn-id: https://outreach.scidac.gov/svn/spl/trunk@78 7e1ea52c-4ff2-0310-8f11-9dd32ca42a1c
2008-04-21 17:29:47 +00:00
#ifdef DEBUG_SUBSYSTEM
#undef DEBUG_SUBSYSTEM
#endif
#define DEBUG_SUBSYSTEM S_ATOMIC
Correctly functioning 64-bit atomic shim layer. It's not what I would call effecient but it does have the advantage of being correct which is all I need right now. I added a regression test as well. git-svn-id: https://outreach.scidac.gov/svn/spl/trunk@57 7e1ea52c-4ff2-0310-8f11-9dd32ca42a1c
2008-03-28 18:21:09 +00:00
/* Global atomic lock declarations */
spinlock_t atomic64_lock = SPIN_LOCK_UNLOCKED;
spinlock_t atomic32_lock = SPIN_LOCK_UNLOCKED;
EXPORT_SYMBOL(atomic64_lock);
EXPORT_SYMBOL(atomic32_lock);