Unmounts a mount. This is an asynchronous operation, and is finished by calling gio.mount.Mount.unmountFinish with the mount and #GAsyncResult data returned in the callback.
flags affecting the operation
optional #GCancellable object, null to ignore.
a #GAsyncReadyCallback, or null.
Deprecated: Use gio.mount.Mount.unmountWithOperation instead.
Unmounts a mount. This is an asynchronous operation, and is finished by calling gio.mount.Mount.unmountFinish with the mount and #GAsyncResult data returned in the callback.