From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:60197) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Ve2gA-0001N2-9C for qemu-devel@nongnu.org; Wed, 06 Nov 2013 07:57:57 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Ve2fz-0001Ne-5K for qemu-devel@nongnu.org; Wed, 06 Nov 2013 07:57:50 -0500 Received: from mail6.webfaction.com ([74.55.86.74]:46839 helo=smtp.webfaction.com) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Ve2fy-0001NI-OD for qemu-devel@nongnu.org; Wed, 06 Nov 2013 07:57:39 -0500 From: Charlie Shepherd Date: Wed, 6 Nov 2013 13:56:54 +0100 Message-Id: <1383742617-14742-1-git-send-email-charlie@ctshepherd.com> Subject: [Qemu-devel] [PATCH v2 0/3] COW: Speed up writes List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: kwolf@redhat.com, pbonzini@redhat.com, gabriel@kerneis.info, Charlie Shepherd , stefanha@gmail.com v2: - Fix bit position calculations in cow_update_bitmap - Add necessary check in cow_set_bits Following on from Paolo's commits 26ae980 and 276cbc7, this patchset implements some changes he recommended earlier which I didn't previously have time to do while on GSoC. Charlie Shepherd (3): COW: Speed up writes COW: Extend checking allocated bits to beyond one sector COW: Skip setting already set bits block/cow.c | 123 ++++++++++++++++++++++++++++++++++++------------------------ 1 file changed, 75 insertions(+), 48 deletions(-) -- 1.8.4.rc3