On Tue, Jun 06, 2023 at 11:49:13AM +0800, Ming Lei wrote: > > V3: > > - add one global blkg_stat_lock for avoiding concurrent update on > > blkg stat; this way is easier for backport, also won't cause contention; > > Hello Jens and Tejun, > > Can we move on with this patch or Waiman's version[1]? > > I am fine with either one. > > [1] https://lore.kernel.org/linux-block/20230525160105.1968749-1-longman@xxxxxxxxxx/ I personally like Ming's version with a separate lock as it's a bit simpler. Let's go with that one. Thanks. -- tejun