On Thu, 2007-04-05 at 11:03 +0100, Christoph Hellwig wrote: > On Thu, Apr 05, 2007 at 11:58:06AM +0200, Hannes Reinecke wrote: > > Hi All, > > > > this patch adds the SG_IO ioctl to the cciss driver. > > As the driver is capable of sending SCSI CDBs to the controller there is > > no reason why we shouldn't exploit it. > > This way we get to use all the nice sg_utils for the cciss driver. > > And a persistent device name for free. > > Instead of adding yet another implementation of SG_IO please implement > support for REQ_TYPE_BLOCK_PC requests and add all the nice block layer > passthrough ioctls to it. Actually, I happen to know that HP is in the process of implementing this correctly (via REQ_TYPE_BLOCK_PC). I can't reveal the details but it has something to do with a well known Linux High Availability company needing SG_IO for sg_persist to work ... James - 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
