On 04/16/2015 03:46 PM, Don Brace wrote: > From: Stephen Cameron <stephenmcameron@xxxxxxxxx> > > Cache the ioaccel handle so that when we need to abort commands sent > down the ioaccel2 path, we can look up the LUN ID in h->dev[] instead of > having to do I/O to the controller. > > Add a field to elements in h->dev[] to keep track of how the device is exposed > to the SCSI mid layer: Not at all, without an upper level driver > (no_uld_attach) or normally exposed. > > Since masked physical devices are now present in h->dev[] array > it would be perfectly possible to do > > echo scsi add-single-device 2 2 0 0 > /proc/scsi/scsi > > and bring them online. This was previously not allowed for masked > physical devices. > > Ensure that the mapping of physical disks to logical drives gets updated in a > consistent way when a RAID migration occurs and is not touched until updates > to it are complete. > > now instead of doing CISS_REPORT_PHYSICAL to get the LUNID for > the physical disk in hpsa_get_pdisk_of_ioaccel2(), just get > it out of h->dev[] where we already have it cached. > > do not touch phys_disk[] for ioaccel enabled logical drives during rescan > > Reviewed-by: Scott Teel <scott.teel@xxxxxxxx> > Reviewed-by: Kevin Barnett <kevin.barnett@xxxxxxxx> > Signed-off-by: Don Brace <don.brace@xxxxxxxx> Reviewed-by: Hannes Reinecke <hare@xxxxxxx> Cheers, Hannes -- Dr. Hannes Reinecke zSeries & Storage 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-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
