On 03/31/2014 07:46 AM, Christoph Hellwig wrote: > This series adds support for sharing tags (and thus requests) between > multiple request_queues. We'll need this for SCSI, and I think Martin > also wants something similar for nvme. > > Besides the mess with request contructors/destructors the major RFC here > is how the blk_mq_alloc_shared_tags API should look like. For now I've > been lazy and reused struct blk_mq_reg, but that feels a bit cumbersome. > Either a separate blk_mq_tags_reg or just passing the few arguments directly > would work fine for me. > Hi Christoph, Can you rebase it on top of 3.14. I have trouble applying it for testing. For nvme, there's need for two separate types of queues. The admin queue (before initializing blk-mq) and the actual hardware queues. Should we allow the driver to get/put tags before initializing blk-mq? Or let drivers implement their own framework? Thanks, Matias -- 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
