Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751914Ab3C0LMX (ORCPT ); Wed, 27 Mar 2013 07:12:23 -0400 Received: from smtp.eu.citrix.com ([46.33.159.39]:22412 "EHLO SMTP.EU.CITRIX.COM" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751307Ab3C0LMV (ORCPT ); Wed, 27 Mar 2013 07:12:21 -0400 X-IronPort-AV: E=Sophos;i="4.84,917,1355097600"; d="scan'208";a="2955620" From: Roger Pau Monne To: , Subject: [PATCH v1 0/7] xen-block: indirect descriptors Date: Wed, 27 Mar 2013 12:10:36 +0100 Message-ID: <1364382643-3711-1-git-send-email-roger.pau@citrix.com> X-Mailer: git-send-email 1.7.7.5 (Apple Git-26) MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1727 Lines: 37 Some of the patches in the previous series, that were bugfixes or code cleanups, are already committed, so the series is a little bit smaller. Previous performance graph was wrong because I had a bunch of debugging options enabled when performing the tests. The following graph contains a more accurate comparison: http://xenbits.xen.org/people/royger/plot_indirect_read4k.png Also, the default number of segments per indirect request has been set to 32 in order to map them all persistently, but this can be changed at runtime by the user. Roger Pau Monne (7): xen-blkback: print stats about persistent grants xen-blkback: use balloon pages for all mappings xen-blkback: implement LRU mechanism for persistent grants xen-blkback: move pending handles list from blkbk to pending_req xen-blkback: make the queue of free requests per backend xen-blkback: expand map/unmap functions xen-block: implement indirect descriptors Documentation/ABI/stable/sysfs-bus-xen-backend | 15 + drivers/block/xen-blkback/blkback.c | 833 +++++++++++++++--------- drivers/block/xen-blkback/common.h | 120 ++++- drivers/block/xen-blkback/xenbus.c | 32 + drivers/block/xen-blkfront.c | 490 ++++++++++++--- include/xen/interface/io/blkif.h | 26 + 6 files changed, 1122 insertions(+), 394 deletions(-) git://xenbits.xen.org/people/royger/linux.git xen-block-indirect-v1 -- 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/