822 		/* if there is a migration in progress, let the migration  in dlm_get_lock_resource()
824 		 * of the MIGRATION mle: either the migrate finished or  in dlm_get_lock_resource()
836 			     mig ?  "MIGRATION" : "BLOCK");  in dlm_get_lock_resource()
1591 			mlog(0, "migration mle was found (%u->%u)\n",  in dlm_master_request_handler()
1824 				     " from %u for migration\n",  in dlm_assert_master_handler()
1829 				     " from %u for migration, ignoring\n",  in dlm_assert_master_handler()
1931 				mlog(0, "finishing off migration of lockres %.*s, "  in dlm_assert_master_handler()
1977 		 	 * ref given by the master / migration request message.  in dlm_assert_master_handler()
2119 	 * prevent migration from starting while we're still asserting  in dlm_assert_master_worker()
2120 	 * our dominance.  The reserved ast delays migration.  in dlm_assert_master_worker()
2125 		     "in the middle of migration.  Skipping assert, "  in dlm_assert_master_worker()
2144 	/* Ok, we've asserted ourselves.  Let's let migration start. */  in dlm_assert_master_worker()
2493 	/* delay migration when the lockres is in MIGRATING state */  in dlm_is_lockres_migratable()
2497 	/* delay migration when the lockres is in RECOCERING state */  in dlm_is_lockres_migratable()
2578 	 * add the migration mle to the list  in dlm_migrate_lockres()
2635 	 * at this point, we have a migration target, an mle  in dlm_migrate_lockres()
2645 	/* call send_one_lockres with migration flag.  in dlm_migrate_lockres()
2647 	 * migration is starting. */  in dlm_migrate_lockres()
2652 		mlog(0, "migration to node %u failed with %d\n",  in dlm_migrate_lockres()
2654 		/* migration failed, detach and clean up mle */  in dlm_migrate_lockres()
2672 	 * will be the last one notified, ensuring that the migration  in dlm_migrate_lockres()
2675 	 * master, so it is important that my recovery finds the migration  in dlm_migrate_lockres()
2690 			mlog(0, "%s:%.*s: timed out during migration\n",  in dlm_migrate_lockres()
2695 				mlog(0, "%s:%.*s: expected migration "  in dlm_migrate_lockres()
2700 				/* migration failed, detach and clean up mle */  in dlm_migrate_lockres()
2711 			mlog(0, "%s:%.*s: caught signal during migration\n",  in dlm_migrate_lockres()
2736 	 * but migration failed */  in dlm_migrate_lockres()
2755  * Called with the dlm spinlock held, may drop it to do migration, but
2888 		mlog(ML_ERROR, "aha. migration target %u just went down\n",  in dlm_mark_lockres_migrating()
2919 /* last step in the migration process.
3072 			/* during the migration request we short-circuited  in dlm_do_migrate_request()
3097  * the migration and this should be the only one found for those scanning the
3173  * when adding a migration mle, we can clear any other mles
3177  * the new migration mle.  this way we can hold with the rule
3209 				mlog(ML_ERROR, "migration error  mle: "  in dlm_add_migration_mle()
3231 						"migration\n", dlm->name,  in dlm_add_migration_mle()
3239 	/* now add a migration mle to the tail of the list */  in dlm_add_migration_mle()
3362 			/* Everything else is a MIGRATION mle */  in dlm_clean_master_list()
3364 			/* The rule for MIGRATION mles is that the master  in dlm_clean_master_list()
3379 						"migration from %u, the MLE is "  in dlm_clean_master_list()
3390 			mlog(0, "%s: node %u died during migration from "  in dlm_clean_master_list()
3425 	 * a reference after the migration completes */  in dlm_finish_migration()
3478  * this is integral to migration
3500  * also, if there is a pending migration on this lockres,
3503  * this is how we ensure that migration can proceed with no