NFSv4/pNFS: Handle server reboots in pnfs_poc_release()

If the server reboots, then handle it by deferring the layout return.

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
1 file changed