Thanks Zheng, see if i understand correctly, when early reply the syscall is returned and the request initiator can see the change from its local inode/dentry cache. However, the change to mdcache is actually happen in the context finisher of the log op, so that other client will not see the change. -- 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