Boot charting

[John Nilsson]

On Sun, 2005-12-11 at 02:23 -0500, Michael R. Head wrote:
> There is a possible benefit to using async IO for readahead. Since disk
> I/O is scheduled via elevators, if a files are clustered together on the
> disk, fewer seeks will need to be made if all requests are given to the
> kernel at once. 

Does this redahead-list read the entire files or just the block that are
actually needed?

Regards,
John