On 06/19/2015 08:48 AM, Christoph Hellwig wrote: > What's the benefit of the SAS transport class writeout? I honestly > always saw tcm_loop as a simple loopback driver, with the different > transport IDs in the PR code as a gimmick. Note that vhost and > xen-blkback copies that style and I did plan to consolidate it > in common code. > The benefit is that tcm_loop will show up in the system as a 'real' SAS hba; long-term goal is to simulate SAS multipathing here. I was even planning on adding simlated FC infrastructure, too; with that we could simulate FC multipathing, too, and our QA would be _so_ happy... Again, these patches are mainly a collection of patches I've done to test various scenarios, in the hope others might find them useful, too. So I can easily hold off these patches until you've posted your rework. 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
