HAMMER2_DIO_WAITING
nrefs = orefs | HAMMER2_DIO_WAITING;
nrefs = orefs & ~(HAMMER2_DIO_INPROG | HAMMER2_DIO_WAITING);
if (orefs & HAMMER2_DIO_WAITING)
nrefs = orefs | HAMMER2_DIO_WAITING;
HAMMER2_DIO_WAITING | HAMMER2_DIO_FLUSH);
if (orefs & HAMMER2_DIO_WAITING)
nrefs = orefs | HAMMER2_DIO_WAITING;
nrefs = orefs & ~(HAMMER2_DIO_INPROG | HAMMER2_DIO_WAITING);
if (orefs & HAMMER2_DIO_WAITING)
nrefs = orefs | HAMMER2_DIO_WAITING;
HAMMER2_DIO_WAITING | HAMMER2_DIO_FLUSH);
if (orefs & HAMMER2_DIO_WAITING)