[PATCH v2 4/4] nodedev: trigger mdev device definition update on udev add and remove

When nodedev objects are added and removed if possible check if mdev-types is supported by the object and trigger a mdev device definition update to correct the associated parent nodedevs. Signed-off-by: Boris Fiuczynski <fiuczy(a)linux.ibm.com&gt; Reviewed-by: Michal Privoznik <mprivozn(a)redhat.com&gt; Reviewed-by: Jonathon Jongsma <jjongsma(a)redhat.com&gt; --- src/node_device/node_device_udev.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/src/node_device/node_device_udev.c b/src/node_device/node_device_udev.c index 17b6bb9299..b3e8103dae 100644 --- a/src/node_device/node_device_udev.c +++ b/src/node_device/node_device_udev.c @@ -1440,6 +1440,10 @@ udevRemoveOneDeviceSysPath(const char *path) } virNodeDeviceObjEndAPI(&obj); + /* cannot check for mdev_types since they have already been removed */ + if (nodeDeviceUpdateMediatedDevices() < 0) + VIR_WARN("mdevctl failed to update mediated devices"); + virObjectEventStateQueue(driver->nodeDeviceEventState, event); return 0; } @@ -1507,6 +1511,7 @@ udevAddOneDevice(struct udev_device *device) bool persistent = false; bool autostart = false; bool is_mdev; + bool has_mdev_types = false; def = g_new0(virNodeDeviceDef, 1); @@ -1562,8 +1567,12 @@ udevAddOneDevice(struct udev_device *device) event = virNodeDeviceEventUpdateNew(objdef->name); virNodeDeviceObjSetActive(obj, true); + has_mdev_types = virNodeDeviceObjHasCap(obj, VIR_NODE_DEV_CAP_MDEV_TYPES); virNodeDeviceObjEndAPI(&obj); + if (has_mdev_types && nodeDeviceUpdateMediatedDevices() < 0) + VIR_WARN("mdevctl failed to update mediated devices"); + ret = 0; cleanup: -- 2.33.1