On Wed, May 10, 2023 at 05:56:07PM +0900, Jinyoung CHOI wrote: > + if (WARN_ON_ONCE(!prot_sdb)) { > + /* > + * This can happen if someone (e.g. multipath) > + * queues a command to a device on an adapter > + * that does not support DIX. > + */ > + return BLK_STS_IOERR; Nit: expand the comment to take up all 80 characters now that you've unindented it.