Re: too large sg segments with commit 09324d32d2a08

From: Christoph Hellwig
Date: Wed Jun 05 2019 - 06:13:56 EST

The problem is that we don't communicate the block level max_segment
size to the iommu, and the commit really is just the messenger.

I'll cook up a series to fix this as papering over it in every driver
does not seem sustainable.