On Fri, Dec 13, 2024 at 01:25:50AM -0800, Christoph Hellwig wrote: > > - if (xfs_globals.always_cow) { > > + /* > > + * always-cow mode is not supported on filesystems with rt > > + * extent sizes larger than a single block because we'd have > > + * to perform write-around for unaligned writes because remap > > + * requests must be aligned to an rt extent. > > + */ > > + if (xfs_globals.always_cow && > > + (!xfs_has_realtime(mp) || mp->m_sb.sb_rextsize == 1)) { > > This looks unrelated to the rest of the patch, or am I missing > something? Yeah, this belongs in the next series. --D