> I think it’s used to stop that cache object from being frozen. > so that it won’t be exported to other MDS. Thanks:-) By the way, is there any document about the whole architecture of client capabilities mechanism? I found the source code really hard to fully understand........Thanks:-) -- 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