On Tue, Aug 26, 2025 at 07:47:46AM -0600, Keith Busch wrote: > Currently, the virtual boundary is always compared to bv_offset, which > is a page offset. If the virtual boundary is larger than a page, then we > need something like "page_to_phys(bv.bv_page) + bv.bv_offset" every > place we need to check against the virt boundary. bv_offset is only guaranteed to be a page offset if your use bio_for_each_segment(_all) or the low-level helpers implementing it and not bio_for_each_bvec(_all) where it can be much larger than PAGE_SIZE.
