On Wed, Aug 11, 2021 at 08:01:30PM +0000, Chuck Lever III wrote: > Probably not just CB_RECALL, but agreed, there doesn't seem to > be any mechanism that can re-drive callback operations when the > backchannel is replaced. The nfsd4_queue_cb() in nfsd4_cb_release() should queue a work item to run nfsd4_run_cb_work, which should set up another callback client if necessary. But I doubt this is well tested. --b.
