return cpu;
}
-int blk_mq_update_queue_map(unsigned int *map, unsigned int nr_queues,
- const struct cpumask *online_mask)
+int blk_mq_map_queues(struct blk_mq_tag_set *set)
{
+ unsigned int *map = set->mq_map;
+ unsigned int nr_queues = set->nr_hw_queues;
+ const struct cpumask *online_mask = cpu_online_mask;
unsigned int i, nr_cpus, nr_uniq_cpus, queue, first_sibling;
cpumask_var_t cpus;
if (!alloc_cpumask_var(&cpus, GFP_ATOMIC))
- return 1;
+ return -ENOMEM;
cpumask_clear(cpus);
nr_cpus = nr_uniq_cpus = 0;
return 0;
}
-unsigned int *blk_mq_make_queue_map(struct blk_mq_tag_set *set)
-{
- unsigned int *map;
-
- /* If cpus are offline, map them to first hctx */
- map = kzalloc_node(sizeof(*map) * nr_cpu_ids, GFP_KERNEL,
- set->numa_node);
- if (!map)
- return NULL;
-
- if (!blk_mq_update_queue_map(map, set->nr_hw_queues, cpu_online_mask))
- return map;
-
- kfree(map);
- return NULL;
-}
-
/*
* We have no quick way of doing reverse lookups. This is only used at
* queue init time, so runtime isn't important.