On Fri, May 31, 2024 at 12:28:21AM +1000, Michael Ellerman wrote: > No that's wrong. The actual hardware page size is 4K, but > CONFIG_PAGE_SIZE and PAGE_SHIFT etc. is 64K. > > So at least for this user the driver used to work with 64K pages, and > now doesn't.
Which suggested that the communicated max_hw_sectors is wrong, and previously we were saved by the block layer increasing it to PAGE_SIZE after a warning. Should we just increment it to 64k?
