17 #include <linux/spinlock.h>
95  * spinlock lock ordering: if multiple locks are needed, obey this ordering:
97  *    struct dlm_ctxt->spinlock
98  *    struct dlm_lock_resource->spinlock
101  *    dlm_master_list_entry->spinlock
102  *    dlm_lock->spinlock
162 	assert_spin_locked(&dlm->spinlock);  in __dlm_insert_lockres()
185 	assert_spin_locked(&dlm->spinlock);  in __dlm_lookup_lockres_full()
217 	assert_spin_locked(&dlm->spinlock);  in __dlm_lookup_lockres()
221 		spin_lock(&res->spinlock);  in __dlm_lookup_lockres()
223 			spin_unlock(&res->spinlock);  in __dlm_lookup_lockres()
227 		spin_unlock(&res->spinlock);  in __dlm_lookup_lockres()
240 	spin_lock(&dlm->spinlock);  in dlm_lookup_lockres()
242 	spin_unlock(&dlm->spinlock);  in dlm_lookup_lockres()
416 	spin_lock(&dlm->spinlock);  in dlm_migrate_all_locks()
428 			 * spinlock and retake it if it does migration. */  in dlm_migrate_all_locks()
431 			spin_lock(&res->spinlock);  in dlm_migrate_all_locks()
436 			spin_unlock(&res->spinlock);  in dlm_migrate_all_locks()
441 				cond_resched_lock(&dlm->spinlock);  in dlm_migrate_all_locks()
445 		cond_resched_lock(&dlm->spinlock);  in dlm_migrate_all_locks()
461 	spin_unlock(&dlm->spinlock);  in dlm_migrate_all_locks()
479 	spin_lock(&dlm->spinlock);  in dlm_no_joining_node()
481 	spin_unlock(&dlm->spinlock);  in dlm_no_joining_node()
499 	spin_lock(&dlm->spinlock);  in dlm_begin_exit_domain_handler()
501 	spin_unlock(&dlm->spinlock);  in dlm_begin_exit_domain_handler()
510 	/* Yikes, a double spinlock! I need domain_lock for the dlm  in dlm_mark_domain_leaving()
511 	 * state and the dlm spinlock for join state... Sorry! */  in dlm_mark_domain_leaving()
514 	spin_lock(&dlm->spinlock);  in dlm_mark_domain_leaving()
519 		spin_unlock(&dlm->spinlock);  in dlm_mark_domain_leaving()
527 	spin_unlock(&dlm->spinlock);  in dlm_mark_domain_leaving()
535 	assert_spin_locked(&dlm->spinlock);  in __dlm_print_nodes()
560 	spin_lock(&dlm->spinlock);  in dlm_exit_domain_handler()
569 	spin_unlock(&dlm->spinlock);  in dlm_exit_domain_handler()
612 	spin_lock(&dlm->spinlock);  in dlm_begin_exit_domain()
620 		spin_unlock(&dlm->spinlock);  in dlm_begin_exit_domain()
622 		spin_lock(&dlm->spinlock);  in dlm_begin_exit_domain()
624 	spin_unlock(&dlm->spinlock);  in dlm_begin_exit_domain()
636 	spin_lock(&dlm->spinlock);  in dlm_leave_domain()
641 		/* Drop the dlm spinlock. This is safe wrt the domain_map.  in dlm_leave_domain()
647 		spin_unlock(&dlm->spinlock);  in dlm_leave_domain()
666 		spin_lock(&dlm->spinlock);  in dlm_leave_domain()
672 	spin_unlock(&dlm->spinlock);  in dlm_leave_domain()
852 		spin_lock(&dlm->spinlock);  in dlm_query_join_handler()
899 		spin_unlock(&dlm->spinlock);  in dlm_query_join_handler()
926 		spin_lock(&dlm->spinlock);  in dlm_assert_joined_handler()
935 			spin_unlock(&dlm->spinlock);  in dlm_assert_joined_handler()
951 		spin_unlock(&dlm->spinlock);  in dlm_assert_joined_handler()
1125 	spin_lock(&dlm->spinlock);  in dlm_query_region_handler()
1146 	spin_unlock(&dlm->spinlock);  in dlm_query_region_handler()
1294 	spin_lock(&dlm->spinlock);  in dlm_query_nodeinfo_handler()
1317 		spin_unlock(&dlm->spinlock);  in dlm_query_nodeinfo_handler()
1338 		spin_lock(&dlm->spinlock);  in dlm_cancel_join_handler()
1345 		spin_unlock(&dlm->spinlock);  in dlm_cancel_join_handler()
1546 			spin_lock(&dlm->spinlock);  in dlm_send_join_asserts()
1548 			spin_unlock(&dlm->spinlock);  in dlm_send_join_asserts()
1578 	spin_lock(&dlm->spinlock);  in dlm_should_restart_join()
1583 	spin_unlock(&dlm->spinlock);  in dlm_should_restart_join()
1611 	spin_lock(&dlm->spinlock);  in dlm_try_to_join_domain()
1616 	spin_unlock(&dlm->spinlock);  in dlm_try_to_join_domain()
1647 	spin_lock(&dlm->spinlock);  in dlm_try_to_join_domain()
1651 	spin_unlock(&dlm->spinlock);  in dlm_try_to_join_domain()
1680 	spin_lock(&dlm->spinlock);  in dlm_try_to_join_domain()
1686 	spin_unlock(&dlm->spinlock);  in dlm_try_to_join_domain()
1995 	spin_lock_init(&dlm->spinlock);  in dlm_alloc_ctxt()