Re: faster boots?

Andi Kleen
2002-04-05T08:42:04Z

dean gaudet <dean-list-linux-kernel@arctic.org> writes:
>
> in some ways, the filesystem is the wrong place to do this type of
> activity -- you could approach the problem as a block layer device between
> the fs and the hardware which maintains statistics on access patterns and
> moves blocks around to optimise access time -- which lets you fix all
> sorts of seeking problems. i guess the challenge would be maintaining a
> map of logical block number to physical block number. hmm. guess that's
> kind of hard.

LVM does this already (including the statistics). I guess you could write
a pass to reorganize PEs and make sure that a bootup time the PEs
are always read completely even when they contain multiple files.

-Andi