On Mon 23 Nov 2015 04:59:40 PM CET, Kevin Wolf <kw...@redhat.com> wrote: > qcow2 accepts a few driver-specific options that overlap semantically > (e.g. "overlap-check" is an alias of "overlap-check.template", and any > missing cache size option is derived from the given ones). > > When bdrv_reopen() merges the set of updated options with left out > options that should be kept at their old value, we need to consider this > and filter out any duplicates (which would generally cause errors > because new and old value would contradict each other). > > This patch adds a .bdrv_join_options callback to BlockDriver and > implements it for qcow2. > > Signed-off-by: Kevin Wolf <kw...@redhat.com>
Reviewed-by: Alberto Garcia <be...@igalia.com> Berto
