nfsd4_change_callback 3905 fs/nfsd/nfs4state.c 		nfsd4_change_callback(conf, &unconf->cl_cb_conn);
nfsd4_change_callback  639 fs/nfsd/state.h extern void nfsd4_change_callback(struct nfs4_client *clp, struct nfs4_cb_conn *);