On Thu, Aug 11, 2016 at 10:02 PM, Christoph Hellwig <hch@xxxxxxxxxxxxx> wrote: > Please just fix bcache to not submit bios larger than BIO_MAX_PAGES for > now, until we can support such callers in general and enable common > used code to do so. IMO it can't be efficient to do that in bcache because it need to figure out how many bvecs one bio includes. This patch(block: make sure big bio is splitted into at most 256 bvecs) can support such callers. Also this kind of usage does simplify drivers. Thanks, Ming > -- > To unsubscribe from this list: send the line "unsubscribe linux-block" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html