On Mon, Jan 23, 2017 at 08:11:37AM -0700, Jan Beulich wrote: > Making use of "max_indirect_segments=" has issues: > - blkfront_setup_indirect() may end up with zero psegs when PAGE_SIZE > is sufficiently much larger than XEN_PAGE_SIZE > - the variable driven by the command line option > (xen_blkif_max_segments) has a somewhat different purpose, and hence > should namely never end up being zero > - as long as the specified value is lower than the legacy default, > we better don't use indirect segments at all (or we'd in fact lower > throughput) > > Signed-off-by: Jan Beulich <jbeul...@suse.com>
Reviewed-by: Roger Pau Monné <roger....@citrix.com> Thanks for catching this, all this PAGE_SIZE != XEN_PAGE_SIZE is quite prone to errors IMHO. Roger. _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org https://lists.xen.org/xen-devel