SF_XMT_INPROG
sl_flags &= ~SF_XMT_INPROG;
sl_flags &= ~SF_XMT_INPROG;
zss->sl_flags &= ~SF_XMT_INPROG;
if (!(zss->sl_flags & SF_XMT_INPROG) && wq->q_first) {
zss->sl_flags |= SF_XMT_INPROG;
zss->sl_flags |= SF_XMT_INPROG;
zss->sl_flags &= ~SF_XMT_INPROG;
zss->sl_flags |= SF_XMT_INPROG;
zss->sl_flags |= SF_XMT_INPROG;
if (zss->sl_flags & SF_XMT_INPROG) {
zss->sl_flags |= SF_XMT_INPROG;