NFS4_DR_FORCE
if (flags & NFS4_DR_FORCE) {
if ((flags & (NFS4_DR_FORCE | NFS4_DR_RECALL))
if ((flags & NFS4_DR_FORCE) == 0)
NFS4_DR_FORCE|NFS4_DR_PUSH|NFS4_DR_REOPEN);
NFS4_DR_FORCE|NFS4_DR_PUSH|NFS4_DR_REOPEN);