On Tue, Dec 10, 2024 at 07:51:32PM -0800, Christoph Hellwig wrote: > So without CONFIG_XFS_RT we obviously should not update rgcounts, > but should also fail the mount earlier if there are RGs. Turns out > that non-rtg file systems have a fake RTG if they have a rt subvolume, > and the count is always set to 1. So yes, this should just return 0 > and your fix is correct. Are you going to send this fix formally? Or should I?