On Wed, Sep 15, 2010 at 7:31 PM, Vasu Dev <vasu.dev@xxxxxxxxxxxxxxx> wrote: > > On Sun, 2010-09-12 at 18:37 +0200, Bart Van Assche wrote: > > On Sat, Sep 4, 2010 at 12:27 AM, Vasu Dev <vasu.dev@xxxxxxxxx> wrote: > > > [ ... ] > > After having converted the SRP initiator (ib_srp) to use per-LUN > > locking instead of per-host locking and after having enabled > > Per-lun locking looks good idea and should mitigate host lock > bottlenecks while lun is not simultaneously used by all host cores, may > be some use case would prevent that by limiting lun to VM on specific > core. Is this change already upstream or queued for upstream ? Is that > change going to eliminate host lock on fast path completely ? > [ ... ] Yes, that patch eliminates the host lock on the fast patch completely. The patch is not yet available upstream - I still have to split it and post it for review on the linux-rdma mailing list. But if you want you can have a look at that patch here: http://sourceforge.net/mailarchive/message.php?msg_name=E1Ova8J-0005Mx-NV%40sfp-svn-4.v30.ch3.sourceforge.com. Bart. -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
