On Fri, May 02, 2025 at 12:39:42PM -0700, Darrick J. Wong wrote: > Me neither. We can't write 512b blocks to the rt device obviously, but > I think the whole point of the separate "sector" size is that's the > maximum size that the fs knows it can write to the device without > tearing. The sector size is really the minimum addressable unit. > Maybe there's a way out of this: the only metadata on the realtime > volume is the rt superblock, whose size is a full fsblock. Perhaps we > could set/validate the block size of the rt dev with the fsblock size > instead? We still allow subsector dio to the rt device, so this would be a bit of a sketchy change.
