It is the responsibility of the code that runs in the do_recall thread to drop
the reference to the delegation.  So if we fail to run that thread, then we
need to do it ourselves here.
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>