On 02.02.2016 02:33, Jeff Cody wrote: > Changes from v1: > > * Rather than allow insertion when bs->device_listtqe_prev points to > a NULL entry, make sure than we follow the block scheme of enforcing > bs->device_list->tqe_prev is NULL upon deletion. (Thanks Max!) > > 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: set device_list.tqe_prev to NULL on BDS removal > block: qemu-iotests - add test for snapshot, commit, snapshot bug > > block.c | 24 ++++++---- > blockdev.c | 3 +- > include/block/block.h | 1 + > tests/qemu-iotests/143 | 114 > +++++++++++++++++++++++++++++++++++++++++++++ > tests/qemu-iotests/143.out | 24 ++++++++++ > tests/qemu-iotests/group | 1 + > 6 files changed, 155 insertions(+), 12 deletions(-) > create mode 100755 tests/qemu-iotests/143 > create mode 100644 tests/qemu-iotests/143.out
Thanks, applied to my block tree: https://github.com/XanClic/qemu/commits/block Max
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