kthread: implement kthread_data()
Implement kthread_data() which takes @task pointing to a kthread and
returns @data specified when creating the kthread. The caller is
responsible for ensuring the validity of @task when calling this
Signed-off-by: Tejun Heo <email@example.com>
Sign up for the SourceForge newsletter:
You seem to have CSS turned off.
Please don't fill out this field.