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SubjectRe: [RFC] block layer support for DMA IOMMU bypass mode II
On Wed, Jul 30, 2003 at 10:02:50AM -0600, Grant Grundler wrote:
> On Tue, Jul 29, 2003 at 09:51:18PM -0700, David S. Miller wrote:
> > Make an ext2 filesystem with 16K blocks :-)
>
> Executive summary:
> looks the same as previous 4k block/16k page w/VMERGE enabled.
>
> davem, I thought you were joking...I've submitted a oneliner to
> Ted Tyso to increase EXT2_MAX_BLOCK_LOG_SIZE to 64k.
> kudos to willy for quickly digging this up.
> 16k block size Works For Me (tm).
>
> appended is the re-aim-7 results for 16k page/block on ext2.

The differences were greater with the mpt fusion driver, maybe it has
more overhead. Or your IO subsystem is significantly different.

-Andi
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