diff options
Diffstat (limited to 'block/blk-mq.c')
-rw-r--r-- | block/blk-mq.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/block/blk-mq.c b/block/blk-mq.c index 6fd9e3c8dcb6..3a7504c4f91d 100644 --- a/block/blk-mq.c +++ b/block/blk-mq.c @@ -2339,6 +2339,10 @@ void blk_mq_update_nr_hw_queues(struct blk_mq_tag_set *set, int nr_hw_queues) list_for_each_entry(q, &set->tag_list, tag_set_list) blk_mq_unfreeze_queue(q); + /* + * Sync with blk_mq_queue_tag_busy_iter. + */ + synchronize_rcu(); } EXPORT_SYMBOL_GPL(blk_mq_update_nr_hw_queues); |