This simplifies make output/logic Tested with: `cd sys/modules; make ALL_MODULES=` on amd64 MFC after: 1 month Sponsored by: Dell EMC Isilon
Note that due to e.g. write throttling ('wdrain'), it can stall all the disk I/O instead of just the device it's configured for. Using it for removable media is therefore not a good idea. Reviewed by: pjd (earlier version)