void
storage_volume_group_update_block (StorageVolumeGroup *self,
StorageBlock *block)
{
GUdevDevice *device;
StorageLogicalVolume *volume;
const gchar *block_vg_name;
const gchar *block_lv_name;
GVariant *pv_info;
device = storage_block_get_udev (block);
if (device)
{
block_vg_name = g_udev_device_get_property (device, "DM_VG_NAME");
block_lv_name = g_udev_device_get_property (device, "DM_LV_NAME");
if (g_strcmp0 (block_vg_name, storage_volume_group_get_name (self)) == 0)
{
volume = g_hash_table_lookup (self->logical_volumes, block_lv_name);
storage_block_update_lv (block, volume);
}
g_object_unref (device);
}
pv_info = g_hash_table_lookup (self->physical_volumes, storage_block_get_device (block));
if (!pv_info)
{
const gchar *const *symlinks;
int i;
symlinks = storage_block_get_symlinks (block);
for (i = 0; symlinks[i]; i++)
{
pv_info = g_hash_table_lookup (self->physical_volumes, symlinks[i]);
if (pv_info)
break;
}
}
if (pv_info)
{
storage_block_update_pv (block, self, pv_info);
}
else
{
LvmPhysicalVolumeBlock *pv = storage_block_get_physical_volume_block (block);
if (pv && g_strcmp0 (lvm_physical_volume_block_get_volume_group (pv),
storage_volume_group_get_object_path (self)) == 0)
storage_block_update_pv (block, NULL, NULL);
}
}
void
storage_block_trigger_uevent (StorageBlock *self)
{
GUdevDevice *device;
gchar* path = NULL;
gint fd = -1;
g_return_if_fail (STORAGE_IS_BLOCK (self));
/* TODO: would be nice with a variant to wait until the request uevent has been received by ourselves */
device = storage_block_get_udev (self);
if (device == NULL)
{
g_debug ("skipping trigger of udev event for block object");
return;
}
path = g_strconcat (g_udev_device_get_sysfs_path (device), "/uevent", NULL);
g_debug ("trigerring udev event '%s' for %s", "change", g_udev_device_get_name (device));
g_object_unref (device);
fd = open (path, O_WRONLY);
if (fd < 0)
{
g_message ("Error opening %s: %m", path);
goto out;
}
if (write (fd, "change", sizeof "change" - 1) != sizeof "change" - 1)
{
g_message ("Error writing 'change' to file %s: %m", path);
goto out;
}
out:
if (fd >= 0)
close (fd);
g_free (path);
}
