On Thu, Jan 24, 2019 at 10:51:51AM +0100, Joerg Roedel wrote: > On Thu, Jan 24, 2019 at 09:42:21AM +0100, Christoph Hellwig wrote: > > Yes. But more importantly it would fix the limit for all other block > > drivers that set large segment sizes when running over swiotlb. > > True, so it would be something like the diff below? I havn't worked on > the block layer, so I don't know if that needs additional checks for > ->dev or anything. Looks sensible. Maybe for now we'll just do the virtio-blk case that triggered it, and we'll do something like this patch for the next merge window. We'll also need to apply the same magic to the DMA boundary.
