/quotas/users/{username}/usageUpdate a user's disk quota usage
Updates the current disk quota usage for a specified user by setting exact values or adjusting the existing values. Use mode to choose between reset and add; it defaults to reset when omitted. Omitted usage values default to 0, with the effect depending on the selected mode.
Disk quota usage values to set or adjust. Omitted used_quota_size and used_quota_files values default to 0; in add mode they leave the corresponding current value unchanged, while in reset mode they set it to 0.
A 400 is returned when the request is invalid. A 401 is returned when authentication is missing or invalid. A 403 is returned when access is forbidden. A 404 is returned when the user is not found. A 409 is returned when the update conflicts with the user's current state. A 500 is returned when an internal server error occurs. The username path parameter identifies the user, and the mode query parameter accepts add or reset and defaults to reset when omitted. If used_quota_size or used_quota_files is omitted, it defaults to 0; in add mode the current value remains unchanged, while in reset mode it is set to 0.