On Wed, Aug 24, 2022 at 09:15:32AM +0800, Yu Kuai wrote: > This patch actually set two flags when bio is throttled and > dispatched, and only iops flag is cleared after the original bio is > split. If only one flag can be used, the way that I come up with is > that let iops limit become default, which means bio is always counted > for iops limit each time blk_throtl_bio() is called. I'm not quite > sure yet if iops limit can be counted excessively this way in some > special scenario... I don't think we have a path where we clone and re-submit other than splitting. What do you think about renaming the flag to BIO_BPS_THROTTLED and just assuming that IOPS is always applied? Thanks. -- tejun
