From: Tejun Heo Date: Sat, 25 Oct 2008 05:26:54 +0000 (+0900) Subject: sata_sil24: configure max read request size to 4k X-Git-Tag: v2.6.28-rc3~93^2~5 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e8b3b5e9f54512bfdb7c154da07ec0408cbd6c56;p=pandora-kernel.git sata_sil24: configure max read request size to 4k Due to request posting limitations, bandwidth of sil3132 is limited to around 120MB/s with the minimum pci-e payload size (128bytes) which is used by most consumer systems. However, write throughput can be slightly (~3%) increased by increasing the max read requeset size. Configure it to 4k which is the maximum supported. This optimization is also done by SIMG's windows driver. Signed-off-by: Tejun Heo Signed-off-by: Jeff Garzik --- Reading git-diff-tree failed