Thanks for the patch I will likely have time to test this sometime next week. But just to be sure - the expected behavior would be that processes writing to dm-based devices would experience the fair-shair scheduling of CFQ (provided that the physical devices that back those DM devices use CFQ), correct? -- To unsubscribe from this list: send the line "unsubscribe cgroups" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html