On Wed, 26 Jan 2000, Andrea Arcangeli wrote:
>This is been my approch to the problem but I am still doing research on
>it (thus expect further patches in the next days).
>
> ftp://ftp.kernel.org/pub/linux/kernel/people/andrea/patches/v2.2/2.2.14/elevator-starvation-1.gz
A new approch (not obvious like the previous one) that results in way
better iteractive performances and doesn't hurt much the elevator
capability is here:
ftp://ftp.*.kernel.org/pub/linux/kernel/people/andrea/patches/v2.2/2.2.14/elevator-starvation-2.gz
It can be applyed cleanly on the top of 2.2.14. It is going to make a big
difference only in IDE and other subsystems that left all the requests
into the ll_rw_block layer even during I/O. For SCSI it helps but not so
much as for the other lazy drivers ;).
Andrea
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