-static inline void unlock_bitlock(struct ldlm_lock *lock)
-{
- LASSERT(lock->l_pidb == current->pid);
- lock->l_pidb = 0;
- bit_spin_unlock(LDLM_FL_LOCK_PROTECT_BIT, (void *) &lock->l_flags);
-}
-#else /* LINUX_VERSION_CODE < KERNEL_VERSION(2,5,60) */
-static inline void lock_bitlock(struct ldlm_lock *lock)
-{
-#if defined(CONFIG_SMP) || defined(CONFIG_DEBUG_SPINLOCK)
- /* bit_spin_lock(LDLM_FL_LOCK_PROTECT_BIT, (void *)&lock->l_flags);*/
- while (test_and_set_bit(LDLM_FL_LOCK_PROTECT_BIT, &lock->l_flags)) {
- while (test_bit(LDLM_FL_LOCK_PROTECT_BIT, &lock->l_flags))
- cpu_relax();
- }
-#endif
-
- LASSERT(lock->l_pidb == 0);
- lock->l_pidb = current->pid;
-}
-
-static inline void unlock_bitlock(struct ldlm_lock *lock)
-{
- LASSERT(lock->l_pidb == current->pid);
- lock->l_pidb = 0;
-
-#if defined(CONFIG_SMP) || defined(CONFIG_DEBUG_SPINLOCK)
- /* bit_spin_unlock(LDLM_FL_LOCK_PROTECT_BIT, (void *)&lock->l_flags);*/
- BUG_ON(!test_bit(LDLM_FL_LOCK_PROTECT_BIT, &lock->l_flags));
- smp_mb__before_clear_bit();
- clear_bit(LDLM_FL_LOCK_PROTECT_BIT, &lock->l_flags);
-#endif
-}
-#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,60) */
-#else /* !__KERNEL__ */
-static inline void lock_bitlock(struct ldlm_lock *lock)
-{
- lock->l_flags |= 1 << LDLM_FL_LOCK_PROTECT_BIT;
-}
-
-static inline void unlock_bitlock(struct ldlm_lock *lock)
-{
- lock->l_flags &= ~(1 << LDLM_FL_LOCK_PROTECT_BIT);
-}
-#endif /* __KERNEL__ */