On Wed, Aug 29, 2012 at 10:13:45AM -0700, Kent Overstreet wrote: > Only on allocation failure. Which as you already said assumes wrapping together the other mempools in the submission path first... Alasdair -- To unsubscribe from this list: send the line "unsubscribe linux-bcache" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html