[PATCH] news: Mention regression in virDomainBlockCopy with shallow/reuse flags

Signed-off-by: Peter Krempa <pkrempa(a)redhat.com&gt; --- docs/news.xml | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/docs/news.xml b/docs/news.xml index 7fd88f9998..92103ec308 100644 --- a/docs/news.xml +++ b/docs/news.xml @@ -48,6 +48,23 @@ <section title="Improvements"> </section> <section title="Bug fixes"> + <change> + <summary> + qemu: Open backing chain late for shallow block copy reusing external images + </summary> + <description> + With introduction of -blockdev specification of storage for qemu VMs + in libvirt-5.10 we've started opening the backing chain of the + destination/mirror of a virDomainBlockcopy started with + VIR_DOMAIN_BLOCK_COPY_REUSE_EXT | VIR_DOMAIN_BLOCK_COPY_SHALLOW flags + when starting the job rather than when virDomainBlockJobAbort with + VIR_DOMAIN_BLOCK_JOB_ABORT_PIVOT is issued. For users depending on + this undocumented quirk this caused a regression in behaviour as + the backing chain could not be modified while the copy of the top + image was progressing. Note that this fix also requires qemu-5.0 while + -blockdev is used starting from qemu-4.2. + </description> + </change> </section> </release> <release version="v6.1.0" date="2020-03-03"> -- 2.24.1