md/dm-vdo/physical-zone.c

477  * @allocation: The struct allocation of the data_vio attempting to allocate.
483 static int allocate_and_lock_block(struct allocation *allocation)
488 	VDO_ASSERT_LOG_ONLY(allocation->lock == NULL,
491 	result = vdo_allocate_block(allocation->zone->allocator, &allocation->pbn);
495 	result = vdo_attempt_physical_zone_pbn_lock(allocation->zone, allocation->pbn,
496 						    allocation->write_lock_type, &lock);
504 					      (unsigned long long) allocation->pbn,
510 	allocation->lock = lock;
524 	/* Now that some slab has scrubbed, restart the allocation process. */
525 	data_vio->allocation.wait_for_clean_slab = false;
526 	data_vio->allocation.first_allocation_zone = data_vio->allocation.zone->zone_number;
531  * continue_allocating() - Continue searching for an allocation by enqueuing to wait for scrubbing
533  * @data_vio: The data_vio attempting to get an allocation.
537  * Return: true if the allocation process has continued in another zone.
541 	struct allocation *allocation = &data_vio->allocation;
542 	struct physical_zone *zone = allocation->zone;
545 	bool was_waiting = allocation->wait_for_clean_slab;
546 	bool tried_all = (allocation->first_allocation_zone == zone->next->zone_number);
555 		allocation->wait_for_clean_slab = true;
556 		allocation->first_allocation_zone = zone->zone_number;
559 	if (allocation->wait_for_clean_slab) {
574 	allocation->zone = zone->next;
575 	completion->callback_thread_id = allocation->zone->thread_id;
583  * @data_vio: The data_vio needing an allocation.
590 	int result = allocate_and_lock_block(&data_vio->allocation);