On 7/5/18 1:07 PM, Liu Bo wrote: > Currently mbps knob could only be set once before switching power knob to > on, after power knob has been set at least once, there is no way to set > mbps knob again due to -EBUSY. > > As nullb is mainly used for testing, in order to make it flexible, this > removes the flag NULLB_DEV_FL_CONFIGURED so that mbps knob can be reset > when power knob is off, e.g. > > echo 0 > /config/nullb/a/power > echo 40 > /config/nullb/a/mbps > echo 1 > /config/nullb/a/power > > So does other knobs under /config/nullb/a. Applied for 4.19, thanks. -- Jens Axboe
