On Wed, May 07, 2025 at 08:04:02PM +0800, Ming Lei wrote: > blk_mq_freeze_queue() can't be called on quiesced queue, otherwise it may > never return if there is any queued requests. > > Fix it by moving queue quiesce int elevator_change() by adding one flag to > 'struct elv_change_ctx' for controlling this behavior. Why do we even need to quiesce the queue here, and not anywhere else?
