Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753921Ab2FRGwZ (ORCPT ); Mon, 18 Jun 2012 02:52:25 -0400 Received: from mx1.redhat.com ([209.132.183.28]:18197 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751104Ab2FRGwY (ORCPT ); Mon, 18 Jun 2012 02:52:24 -0400 From: Asias He To: kvm@vger.kernel.org, linux-kernel@vger.kernel.org, virtualization@lists.linux-foundation.org Cc: Asias He Subject: [PATCH v2 0/3] Improve virtio-blk performance Date: Mon, 18 Jun 2012 14:53:07 +0800 Message-Id: <1340002390-3950-1-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: 884 Lines: 24 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 (3): block: Introduce __blk_segment_map_sg() helper block: Add blk_bio_map_sg() helper virtio-blk: Add bio-based IO path for virtio-blk block/blk-merge.c | 117 +++++++++++++++++-------- drivers/block/virtio_blk.c | 203 +++++++++++++++++++++++++++++++++++--------- include/linux/blkdev.h | 2 + 3 files changed, 247 insertions(+), 75 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/