By chx on
Change record status: 
Published (View all published change records)
Project: 
Drupal core
Introduced in branch: 
8.x
Issue links: 
https://www.drupal.org/node/1797478
https://www.drupal.org/node/2294251
Description: 

The following functions have been renamed without a change in the arguments:

D7 D8
file_usage_add \Drupal::service('file.usage')->add
file_usage_delete \Drupal::service('file.usage')->delete
file_usage_list \Drupal::service('file.usage')->listUsage

Examples:
Drupal 7:

file_usage_add($file, 'mymodule', $my_type, $my_id);
$list = file_usage_list();
file_usage_delete($file, 'mymodule', $my_type, $my_id);

Drupal 8:

$file_usage = \Drupal::service('file.usage');
$file_usage->add($file, 'mymodule', $my_type, $my_id);
$list = $file_usage->listUsage();
$file_usage->delete($file, 'mymodule', $my_type, $my_id);