US Patent 10951705 Write leases for distributed file systems

A method, article of manufacture, and apparatus for providing a write leases in a distributed file system is discussed. A lease break is received for a file at a client from a metadata server (“MDS”), wherein the client has a write lease for the file. A write buffer is flushed on the client to an object store, wherein the write buffer comprises data objects comprising the file. A metadata request is transmitted from the client to the MDS in connection with flushing the write buffer. A lease extension is received for the write lease from the MDS.