IOMAP_DIO_BOUNCE
if (dio->flags & IOMAP_DIO_BOUNCE) {
if (dio->flags & IOMAP_DIO_BOUNCE)
if (dio->flags & IOMAP_DIO_BOUNCE)
!(dio->flags & IOMAP_DIO_BOUNCE))
dio->flags = dio_flags & (IOMAP_DIO_FSBLOCK_ALIGNED | IOMAP_DIO_BOUNCE);
dio_flags |= IOMAP_DIO_BOUNCE;
dio_flags |= IOMAP_DIO_BOUNCE;
dio_flags |= IOMAP_DIO_BOUNCE;
flags |= IOMAP_DIO_BOUNCE;