On 07 Feb 1999 07:28:47 -0800 
 Wolfgang Rupprecht <wolfgang@wsrcc.com> wrote:

 > What would be ideal would be a disk spin-up hook that could be called
 > to do a sync() whenever the disks power up.

With SCSI, this is possible, because an explicity START would be issued.

However, with IDE, I don't think the driver knows the device is spinning up;
it just does.

        -- Jason R. Thorpe <thorpej@nas.nasa.gov>