On 5/27/21 01:56, Johannes Thumshirn wrote: > On 27/05/2021 03:01, Bart Van Assche wrote: >> Hi Jens, >> >> A feature that is missing from the Linux kernel for storage devices that >> support I/O priorities is to set the I/O priority in requests involving page >> cache writeback. Since the identity of the process that triggers page cache >> writeback is not known in the writeback code, the priority set by ioprio_set() >> is ignored. However, an I/O cgroup is associated with writeback requests >> by certain filesystems. Hence this patch series that implements the following >> changes for the mq-deadline scheduler: >> * Make the I/O priority configurable per I/O cgroup. >> * Change the I/O priority of requests to the lower of (request I/O priority, >> cgroup I/O priority). >> * Introduce one queue per I/O priority in the mq-deadline scheduler. >> >> Please consider this patch series for kernel v5.14. >> >> Thanks, >> >> Bart. >> >> Bart Van Assche (9): >> block/mq-deadline: Add several comments >> block/mq-deadline: Add two lockdep_assert_held() statements >> block/mq-deadline: Remove two local variables >> block/mq-deadline: Rename dd_init_queue() and dd_exit_queue() >> block/mq-deadline: Improve compile-time argument checking >> > I think the above 5 patches can go in independently as cleanups. > Yes they seems purely cleanup from review point of view.
