The current CephFS API is used to extract locality information as follows: First we get a list of OSD IDs: ceph_get_file_extent_osds(offset) -> [OSD ID]* Using the OSD IDs we can then query for the CRUSH bucket hierarchy: ceph_get_osd_crush_location(osd_id) -> path The path includes hostname information, but we'd still like to get the IP. The current API for doing this is: ceph_get_file_stripe_address(offset) -> [sockaddr]* that returns an IP for each OSD holds replicas. The order of the output list should be the same as the the OSD list, but It'd be nice to have a consistent API that deals with OSD id, making the correspondence explicit. For instance: ceph_get_file_stripe_address(osd_id) -> sockaddr Another option is to have `ceph_get_osd_crush_location` return both the path and a sockaddr. Thoughts? Thanks, Noah-- 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
