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

one use

	golang.org/x/sys/unix (current package)
		zerrors_linux.go#L1440: 	HDIO_SET_WCACHE                             = 0x32b

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