On 05/05/2015 04:56 AM, mchristi@xxxxxxxxxx wrote: > The following patches allow drivers like libceph/rbd to distribute > execution of scsi task management functions across multiple nodes > (still working on issues with distributed PRs). > > In this patchset, I added a new type of callout/module for these > cluster aware modules. The idea is that something like drbd could maybe do > something optimized for them, or nbd could, or you could use dlm > plus some file system, or do something cluster FS specific. For rbd > we are making rados/libceph calls. > > I am mostly looking for feedback on the hooks/callouts approach. I was > not sure if we wanted to maybe instead do somethign like add new callouts > to the request_queue (request_queue->reset_q) or block_device or > add some new block layer REQ_TYPEs (REQ_TYPE_DEVICE_RESET or > REQ_TYPE_PGR_REGISTER, etc). In this patchset I just added new > callouts that modules can implement, because I thought this was most > similar to how we do fabric modules and so it was a ok fit. > Oh shoot. Sorry. Forgot to cc the lio list on the first set of ceph/rbd patches which this patchset is built on. They are here: http://thread.gmane.org/gmane.comp.file-systems.ceph.devel/24553 -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
