On 04/19/2017 03:33 AM, Jan Kara wrote: > When CFQ is used as an elevator, it disables writeback throttling > because they don't play well together. Later when a different elevator > is chosen for the device, writeback throttling doesn't get enabled > again as it should. Make sure CFQ enables writeback throttling (if it > should be enabled by default) when we switch from it to another IO > scheduler. Thanks Jan, added. -- Jens Axboe
