From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:60685) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UOCIx-00070a-5q for qemu-devel@nongnu.org; Fri, 05 Apr 2013 15:28:08 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1UOCIr-0000iH-6a for qemu-devel@nongnu.org; Fri, 05 Apr 2013 15:28:07 -0400 Received: from mx1.redhat.com ([209.132.183.28]:36085) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UOCIr-0000iB-0B for qemu-devel@nongnu.org; Fri, 05 Apr 2013 15:28:01 -0400 Received: from int-mx10.intmail.prod.int.phx2.redhat.com (int-mx10.intmail.prod.int.phx2.redhat.com [10.5.11.23]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id r35JS0Gt022370 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Fri, 5 Apr 2013 15:28:00 -0400 From: Kevin Wolf Date: Fri, 5 Apr 2013 21:27:52 +0200 Message-Id: <1365190076-20268-1-git-send-email-kwolf@redhat.com> Subject: [Qemu-devel] [PATCH 0/4] block: Vectored bdrv_writev_vmstate List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: kwolf@redhat.com, pbonzini@redhat.com, stefanha@redhat.com This gives us back reasonable savevm performance, which regressed in commit 500f0061. Kevin Wolf (4): block: Introduce bdrv_writev_vmstate savevm: Implement block_writev_buffer() block: Introduce bdrv_pwritev() for qcow2_save_vmstate qemu-iotests: A few more bdrv_pread/pwrite tests block.c | 105 +++++++++++++++++++++++++++++++----------- block/qcow2.c | 6 +-- block/sheepdog.c | 13 ++++-- include/block/block.h | 3 ++ include/block/block_int.h | 4 +- include/migration/qemu-file.h | 2 +- savevm.c | 25 ++++++++-- tests/qemu-iotests/002 | 13 ++++++ tests/qemu-iotests/002.out | 26 +++++++++++ 9 files changed, 157 insertions(+), 40 deletions(-) -- 1.8.1.4