On 11/16/22 4:06 PM, Waiman Long wrote: > On 11/4/22 20:58, Waiman Long wrote: >> ? v10: >> ?? - Update patch 3 to rename the rstat function to >> ???? cgroup_rstat_css_cpu_flush(). >> >> ? v9: >> ?? - Remove patch "llist: Allow optional sentinel node terminated lockless >> ???? list" for now. This will be done as a follow-up patch. >> ?? - Add a new lqueued field to blkg_iostat_set to store the status of >> ???? whether lnode is in a lockless list. >> ?? - Add a new patch 3 to speed up the freeing of blkcg by flushing out >> ???? the rstat lockless lists at blkcg offline time. >> >> ? v8: >> ?? - Update the llist patch to make existing llist functions and macros >> ???? work for both NULL and sentinel terminated lockless list as much >> ???? as possible and leave only the initialization and removal functions >> ???? to have a sentinel terminated llist variants. >> >> This patch series improves blkcg_rstat_flush() performance by eliminating >> unnecessary blkg enumeration and flush operations for those blkg's and >> blkg_iostat_set's that haven't been updated since the last flush. >> >> Waiman Long (3): >> ?? blk-cgroup: Return -ENOMEM directly in blkcg_css_alloc() error path >> ?? blk-cgroup: Optimize blkcg_rstat_flush() >> ?? blk-cgroup: Flush stats at blkgs destruction path >> >> ? block/blk-cgroup.c???? | 103 +++++++++++++++++++++++++++++++++++------ >> ? block/blk-cgroup.h???? |? 10 ++++ >> ? include/linux/cgroup.h |?? 1 + >> ? kernel/cgroup/rstat.c? |? 20 ++++++++ >> ? 4 files changed, 119 insertions(+), 15 deletions(-) > > Jens, do you have any further comment on this patchset? Is it possible > to queue it for the next Linux version? Looks good to me, I'll queue it up. -- Jens Axboe
