On Wed, Jul 02, 2025 at 11:24:28AM -0700, Bart Van Assche wrote: > Freezing the request queue from inside sysfs store callbacks may cause a > deadlock in combination with the dm-multipath driver and the > queue_if_no_path option. Additionally, freezing the request queue slows > down system boot on systems where sysfs attributes are set synchronously. > > Fix this by removing the blk_mq_freeze_queue() / blk_mq_unfreeze_queue() > calls from the store callbacks that do not strictly need these callbacks. Please add commit log why freeze isn't needed for these sysfs attributes callbacks. Thanks, Ming
