On Mon, Mar 27, 2017 at 12:15:29PM -0600, Jens Axboe wrote: > On 03/27/2017 11:51 AM, Shaohua Li wrote: > > V6->V7: > > - Don't overload blk stat, which will simplify the code. This will add extra > > space in bio/request though with the low interface configure option on. > > Hmm, why? As far as I can see, it just makes things worse.
Part of the reason is the new callback based blk stat makes enabling stat less straightforward. I probably can create a fake callback and enalbing the stat though. Only the last 3 patches depend on this, if you prefer, I can resend them and add the overload back. Thanks, Shaohua
