From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:33348) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aPNv4-0004rc-3H for qemu-devel@nongnu.org; Sat, 30 Jan 2016 00:17:58 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aPNv3-0001dr-Cb for qemu-devel@nongnu.org; Sat, 30 Jan 2016 00:17:58 -0500 From: Jeff Cody Date: Sat, 30 Jan 2016 00:17:47 -0500 Message-Id: Subject: [Qemu-devel] [PATCH 0/2] Active commit regression fix List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: kwolf@redhat.com, qemu-stable@nongnu.org, qemu-block@nongnu.org Bug #1300209 is a regression in 2.5, introduced during the change away from bdrv_swap(). When we change the parent backing link (change_parent_backing_link), we must also accomodate non-NULL tqe_prev pointers that point to a NULL entry. Please see patch #1 for more details. Jeff Cody (2): block: change parent backing link when *tqe_prev == NULL block: qemu-iotests - add test for snapshot, commit, snapshot bug block.c | 2 +- tests/qemu-iotests/143 | 114 +++++++++++++++++++++++++++++++++++++++++++++ tests/qemu-iotests/143.out | 24 ++++++++++ tests/qemu-iotests/group | 1 + 4 files changed, 140 insertions(+), 1 deletion(-) create mode 100755 tests/qemu-iotests/143 create mode 100644 tests/qemu-iotests/143.out -- 1.9.3