On Mon, May 10 2010, Mike Snitzer wrote: > blk_init_queue() allocates the request_queue structure and then > initializes it as needed (request_fn, elevator, etc). > > Split initialization out to blk_init_allocated_queue_node. > Introduce blk_init_allocated_queue wrapper function to model existing > blk_init_queue and blk_init_queue_node interfaces. > > Export elv_register_queue to allow a newly added elevator to be > registered with sysfs. Export elv_unregister_queue for symmetry. > > These changes allow DM to initialize a device's request_queue with more > precision. In particular, DM no longer unconditionally initializes a > full request_queue (elevator et al). It only does so for a > request-based DM device. Looks good, I'll apply this. I don't think the exports need to be _GPL in this case, generally I've only done that with the exports for hooking in a new IO scheduler. -- Jens Axboe -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
