On Wed, 20 Aug 2008 22:08:02 +0200 Arne Redlich <agr at powerkom-dd.de> wrote: > > +struct scsi_pr { > > + /* Persistent Reservation Generation */ > > + uint32_t PRgeneration; > > + uint8_t pr_key[PR_RESERVATION_SZ][PR_KEY_SZ]; > > +}; > > + > > Too bad the most interesting part is missing - an efficient way to > lookup the registered keys. I could imagine using a hashtable, but then > again finding a good hash function is not easy - (u64)key % tablesize > possibly? So: I guess that we might need a hash table plus something. I don't care much about the PR performance (for now at least) as long as users who don't use PR don't suffer performance drop. -- To unsubscribe from this list: send the line "unsubscribe stgt" in the body of a message to majordomo at vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html |