Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754710Ab2KGKud (ORCPT ); Wed, 7 Nov 2012 05:50:33 -0500 Received: from cn.fujitsu.com ([222.73.24.84]:31316 "EHLO song.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1754249Ab2KGKsv (ORCPT ); Wed, 7 Nov 2012 05:48:51 -0500 X-IronPort-AV: E=Sophos;i="4.80,729,1344182400"; d="scan'208";a="6154927" From: Wanlong Gao To: linux-kernel@vger.kernel.org Cc: "James E.J. Bottomley" , Paolo Bonzini , Rusty Russell , linux-scsi@vger.kernel.org, kvm@vger.kernel.org Subject: [PATCH 0/5] virtio-scsi: create a separate workqueue Date: Wed, 7 Nov 2012 18:18:09 +0800 Message-Id: <1352283494-31200-1-git-send-email-gaowanlong@cn.fujitsu.com> X-Mailer: git-send-email 1.8.0 X-MIMETrack: Itemize by SMTP Server on mailserver/fnst(Release 8.5.3|September 15, 2011) at 2012/11/07 18:17:54, Serialize by Router on mailserver/fnst(Release 8.5.3|September 15, 2011) at 2012/11/07 18:17:57, Serialize complete at 2012/11/07 18:17:57 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1641 Lines: 50 patch 1-3,5 are some cleanups. patch 4: create a separate work queue for virtio-scsi to improve the performance, I tested with tmpfs backed disk, the config file is like below, [global] bsrange=4k-64k ioengine=libaio direct=1 iodepth=4 loops=10 size=64M Before: Disk stats (read/write): sda: ios=6547/5275, merge=37/39, ticks=3144/2645, in_queue=5780, util=81.62% sdb: ios=6542/5277, merge=54/59, ticks=3234/3143, in_queue=6364, util=84.50% sdc: ios=6532/5244, merge=65/62, ticks=3440/3076, in_queue=6505, util=86.83% After: Disk stats (read/write): sda: ios=6349/5318, merge=77/89, ticks=4820/3169, in_queue=7991, util=90.62% sdb: ios=6364/5358, merge=39/53, ticks=3810/2816, in_queue=6615, util=84.63% sdc: ios=6458/5352, merge=74/47, ticks=4425/3048, in_queue=7459, util=88.41% Wanlong Gao (5): virtio-scsi: remove the useless assignment virtio-scsi: remove the needless variable gfp_mask virtio-scsi: use pr_err instead of printk virtio-scsi: create a separate work queue for virtio-scsi virtio-scsi: tidy up the goto label in init() Cc: James E.J. Bottomley Cc: Paolo Bonzini Cc: Rusty Russell Cc: linux-scsi@vger.kernel.org Cc: kvm@vger.kernel.org drivers/scsi/virtio_scsi.c | 43 +++++++++++++++++++++++-------------------- 1 file changed, 23 insertions(+), 20 deletions(-) -- 1.8.0 -- 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/