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blk-mq: kill unused blk_mq_create_mq_map()

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Fixes 1b157939f9 ("blk-mq: get rid of the cpumask in struct blk_mq_tags")
Signed-off-by: Jens Axboe <axboe@fb.com>
This commit is contained in:
Jens Axboe 2016-09-15 08:45:45 -06:00
parent 1b157939f9
commit 9151bcb4fb
1 changed files with 0 additions and 24 deletions
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24
block/blk-mq.c
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@ -2271,30 +2271,6 @@ static int blk_mq_alloc_rq_maps(struct blk_mq_tag_set *set)
return 0;
}
static int blk_mq_create_mq_map(struct blk_mq_tag_set *set,
const struct cpumask *affinity_mask)
{
int queue = -1, cpu = 0;
set->mq_map = kzalloc_node(sizeof(*set->mq_map) * nr_cpu_ids,
GFP_KERNEL, set->numa_node);
if (!set->mq_map)
return -ENOMEM;
if (!affinity_mask)
return 0; /* map all cpus to queue 0 */
/* If cpus are offline, map them to first hctx */
for_each_online_cpu(cpu) {
if (cpumask_test_cpu(cpu, affinity_mask))
queue++;
if (queue >= 0)
set->mq_map[cpu] = queue;
}
return 0;
}
/*
* Alloc a tag set to be associated with one or more request queues.
* May fail with EINVAL for various error conditions. May adjust the