On 02/07/2017 08:46 PM, Jim Fehlig wrote: > When a user does not explicitly set a <driver> in the disk config, > libvirt defers selection of a default to libxl. This approach works > fine when starting a domain with such configuration or attaching a > disk to a running domain. But when detaching such a disk, libxl > will fail with "unrecognized disk backend type: 0". libxl makes no > attempt to recalculate a default backend (driver) on detach and > simply fails when uninitialized. > > This patch updates the libvirt disk config with the backend selected > by libxl when starting a domain or attaching a disk to a running > domain. Another benefit of this approach is that the live XML is > also updated with the backend driver selected by libxl. > > Signed-off-by: Jim Fehlig <jfehlig@xxxxxxxx> > --- > src/libxl/libxl_conf.c | 32 ++++++++++++++++++++++++++++++++ > src/libxl/libxl_conf.h | 4 ++++ > src/libxl/libxl_domain.c | 25 +++++++++++++++++++++++++ > src/libxl/libxl_driver.c | 1 + > 4 files changed, 62 insertions(+) ACK Michal -- libvir-list mailing list libvir-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvir-list
