On Tue, Feb 13, 2018 at 02:45:50PM +0800, Chengguang Xu wrote: > In current throttling/upper limit policy of blkio cgroup > blkio.throttle.io_service_bytes does not exactly represent > the number of bytes issued to the disk by the group, sometimes > this number could be counted multiple times of real bytes. > This fix introduces BIO_COUNTED flag to avoid multiple counting > for same bio. > > Signed-off-by: Chengguang Xu <cgxu519@xxxxxxxxxx> We had a series of fixes / changes for this problem during the last cycle. Can you please see whether the current linus master has the same problem. Thanks. -- tejun