On Fri, Mar 22, 2013 at 11:27:16PM -0400, Mike Snitzer wrote: > So the big difference is the thinp-test-suite uses intermediate linear > DM layers above the slower sd device (spindle/data) -- whereas in your > setup the origin device is direct to sd (8:0). I would think the difference is because DM issues (edited) copies of incoming bios to the layers underneath, so changes don't propagate back up.
Darrick: if you retest with a dm linear device, does the problem go away? Alasdair -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
