Messages in this thread | | | Date | Wed, 30 Jul 2003 18:36:15 +0200 | From | Andi Kleen <> | Subject | Re: [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 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |