From: "Daniel P. Berrange" <berrange(a)redhat.com&gt; If no explicit driver is set for an image backed filesystem, set it to use the loop driver (if raw) or nbd driver (if non-raw) Signed-off-by: Daniel P. Berrange <berrange(a)redhat.com&gt; --- src/lxc/lxc_controller.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/src/lxc/lxc_controller.c b/src/lxc/lxc_controller.c index 568227f..ef35c05 100644 --- a/src/lxc/lxc_controller.c +++ b/src/lxc/lxc_controller.c @@ -457,6 +457,14 @@ static int virLXCControllerSetupLoopDevices(virLXCControllerPtr ctrl) if (fs->type != VIR_DOMAIN_FS_TYPE_FILE) continue; + if (fs->fsdriver == VIR_DOMAIN_FS_DRIVER_TYPE_DEFAULT) { + if (fs->format == VIR_STORAGE_FILE_RAW || + fs->format == VIR_STORAGE_FILE_NONE) + fs->fsdriver = VIR_DOMAIN_FS_DRIVER_TYPE_LOOP; + else + fs->fsdriver = VIR_DOMAIN_FS_DRIVER_TYPE_NBD; + } + if (fs->fsdriver == VIR_DOMAIN_FS_DRIVER_TYPE_LOOP) { if (fs->format != VIR_STORAGE_FILE_RAW && fs->format != VIR_STORAGE_FILE_NONE) { -- 1.8.3.1