On 02/04/2016 02:54 PM, Mike Snitzer wrote: > On Thu, Feb 04 2016 at 1:54am -0500, > Hannes Reinecke <hare@xxxxxxx> wrote: > [ .. ] >> But anyway, I'll be looking at your patches. > > Thanks, sadly none of the patches are going to fix the performance > problems but I do think they are a step forward. > Hmm. I've got a slew of patches converting dm-mpath to use atomic_t and bitops; with that we should be able to move to rcu for path lookup and do away with most of the locking. Quite raw, though; drop me a mail if you're interested. Cheers, Hannes -- Dr. Hannes Reinecke Teamlead Storage & Networking hare@xxxxxxx +49 911 74053 688 SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg GF: F. Imendörffer, J. Smithard, J. Guild, D. Upmanyu, G. Norton HRB 21284 (AG Nürnberg) -- To unsubscribe from this list: send the line "unsubscribe linux-block" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
