Use ssleep() instead of schedule_timeout() to guarantee the task delays as
expected.  The original code does use TASK_INTERRUPTIBLE, but does not check
for signals or early return from schedule_timeout() so ssleep() seems more
appropriate.
Signed-off-by: Nishanth Aravamudan <nacc@us.ibm.com>
Signed-off-by: Domen Puncer <domen@coderock.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>