On Mon, Nov 7, 2016 at 8:48 PM, John Garry <john.garry@xxxxxxxxxx> wrote: > Sometimes the value of hisi_sas_device.running_req > would go negative unless we have the check for > running_req >= 0 before trying to decrement. > > This is because using running_req is not thread-safe. > > As such, the value for running_req may be actually incorrect, > so use atomic64_t instead. > > Signed-off-by: John Garry <john.garry@xxxxxxxxxx> > Reviewed-by: Xiang Chen <chenxiang66@xxxxxxxxxxxxx> Reviewed-by: Zhangfei Gao <zhangfei.gao@xxxxxxxxxx> -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html