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-rw-r--r--block/blk-mq.c4
1 files changed, 0 insertions, 4 deletions
diff --git a/block/blk-mq.c b/block/blk-mq.c
index 8538dc415499..7528678ef41f 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -3243,10 +3243,6 @@ static void __blk_mq_update_nr_hw_queues(struct blk_mq_tag_set *set,
list_for_each_entry(q, &set->tag_list, tag_set_list)
blk_mq_freeze_queue(q);
/*
- * Sync with blk_mq_queue_tag_busy_iter.
- */
- synchronize_rcu();
- /*
* Switch IO scheduler to 'none', cleaning up the data associated
* with the previous scheduler. We will switch back once we are done
* updating the new sw to hw queue mappings.