On 01/27/2018 06:23 AM, Coly Li wrote: > Struct cache uses io_errors for two purposes, > - Error decay: when cache set error_decay is set, io_errors is used to > generate a small piece of delay when I/O error happens. > - I/O errors counter: in order to generate big enough value for error > decay, I/O errors counter value is stored by left shifting 20 bits (a.k.a > IO_ERROR_SHIFT). This LGTM Reviewed-by: Michael Lyle <mlyle@xxxxxxxx>
