const golang.org/x/sys/unix.DM_DEV_WAIT

one use

	golang.org/x/sys/unix (current package)
		zerrors_linux.go#L829: 	DM_DEV_WAIT                                 = 0xc138fd08

The pages are generated with Golds v0.8.4. (GOOS=linux GOARCH=amd64)