On Tue, 30 Nov 2010, Boaz Harrosh wrote: > On 11/30/2010 03:31 PM, Lukas Kolbe wrote: > > On Mon, 2010-11-29 at 19:09 +0200, Kai Makisara wrote: > > .... > It looks like something is broken/old-code in sr. Most important LLDs > and block-layer scsi-ml fully support sg-chaining that effectively are > able to deliver limitless (Only limited by HW) sg sizes. It looks like > sr has some code that tries to allocate contiguous buffers larger than > PAGE_SIZE. Why does it do that? It should not be necessary any more. > The relevant driver is st and it use sg chaining when necessary. I tried to explain that the effective limit in this case comes from mptsas. I don't know if it is HW limit or driver limit. Kai -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
