On Tue, Jun 23, 2009 at 12:54 AM, Martin K.
Petersen[off-list ref] wrote:

Neil,

Looks like this one missed the boat on the first MD pull request.
Here's an updated patch that applies to Linus' current tree in case you
are planning a second round...


Switch MD over to the new disk_stack_limits() function which checks for
aligment and adjusts preferred I/O sizes when stacking.

Also indicate preferred I/O sizes where applicable.

Given that Linus has not yet pulled in the DM changes for 2.6.31
(which includes DM's topology support) I'd imagine it shouldn't be a
problem to get this patch in.  In fact it would be a real shame if
this somehow missed 2.6.31 seeing as MD is the only consumer of the
topology infrastructure's disk_stack_limits().

Neil, please push to Linus for 2.6.31, thanks!

Mike