blk-mq: kill unused blk_mq_create_mq_map()

Fixes 1b157939f92a ("blk-mq: get rid of the cpumask in struct blk_mq_tags")
Signed-off-by: Jens Axboe <axboe@fb.com>

1 files changed, 0 insertions, 24 deletions

diff --git a/block/blk-mq.c b/block/blk-mq.c
index 060b350d3f0c..f1c5263c44e8 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -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