Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751740Ab2FMHkk (ORCPT ); Wed, 13 Jun 2012 03:40:40 -0400 Received: from mx1.redhat.com ([209.132.183.28]:12778 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750875Ab2FMHkj (ORCPT ); Wed, 13 Jun 2012 03:40:39 -0400 From: Asias He To: kvm@vger.kernel.org, linux-kernel@vger.kernel.org, virtualization@lists.linux-foundation.org Cc: Asias He Subject: [PATCH RFC 0/2] Improve virtio-blk performance Date: Wed, 13 Jun 2012 15:41:45 +0800 Message-Id: <1339573307-11537-1-git-send-email-asias@redhat.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 824 Lines: 23 This patchset implements bio-based IO path for virito-blk to improve performance. Fio test shows it gives, 28%, 24%, 21%, 16% IOPS boost and 32%, 17%, 21%, 16% latency improvement for sequential read/write, random read/write respectively. Asias He (2): block: Add blk_bio_map_sg() helper virtio-blk: Add bio-based IO path for virtio-blk block/blk-merge.c | 63 ++++++++++++++ drivers/block/virtio_blk.c | 203 +++++++++++++++++++++++++++++++++++--------- include/linux/blkdev.h | 2 + 3 files changed, 228 insertions(+), 40 deletions(-) -- 1.7.10.2 -- 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/