Jens, > +static const unsigned int rwf_write_to_opf_flag[] = { > + 0, REQ_WRITE_SHORT, REQ_WRITE_MEDIUM, REQ_WRITE_LONG, REQ_WRITE_EXTREME > +}; Minor nit: When I see WRITE_SHORT I instinctively think data corruption. Can we make these REQ_LIFETIME_SHORT or something instead? It loses the WRITE moniker which I'm not so keen on. But I'm not sure how we'd define read lifetime... -- Martin K. Petersen Oracle Linux Engineering