On Tue, Dec 13, 2022 at 11:33:54AM -0800, Eric Biggers wrote: > On Tue, Dec 13, 2022 at 05:55:22PM +0000, Matthew Wilcox wrote: > > I'm happy to work with you to add support for large folios to verity. > > It hasn't been high priority for me, but I'm now working on folio support > > for bufferhead filesystems and this would probably fit in. > > I'd be very interested to know what else is needed after commit 98dc08bae678 > ("fsverity: stop using PG_error to track error status") which is upstream now, > and > https://lore.kernel.org/linux-fsdevel/20221028224539.171818-1-ebiggers@xxxxxxxxxx/T/#u > ("fsverity: support for non-4K pages") which is planned for 6.3. Did you change the bio interfaces to iterate a bvec full of variable sized folios, or does it still expect a bio to only have PAGE_SIZE pages attached to it? Cheers, Dave. -- Dave Chinner david@xxxxxxxxxxxxx