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

one use

	golang.org/x/sys/unix (current package)
		zerrors_linux.go#L817: 	DM_DEV_SET_GEOMETRY                         = 0xc138fd0f

The pages are generated with Golds v0.7.6. (GOOS=linux GOARCH=amd64)