tech-kern in messages with a Subject starting [Re:] /dev/sdN -> /dev/sdN[cd]
and in PR port-amd64/51216 :
Create bare (no letter suffix) device names (block & raw) that
refer to the raw device ('c' or 'd' partition as appropriate).
This commit was delayed waiting to see if there was to be any more
discussion - there wasn't a lot.
Caution: this is going to consume 2 more inodes per disc device
configured, everywhere that devices are configured using MAKEDEV
93bca39382