block, cfq: kill cic->key

Now that lazy paths are removed, cfqd_dead_key() is meaningless and
cic->q can be used whereever cic->key is used.  Kill cic->key.

Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

1 files changed, 0 insertions, 1 deletions

diff --git a/include/linux/iocontext.h b/include/linux/iocontext.h
index 01e863128780..b2b75a54f252 100644
--- a/include/linux/iocontext.h
+++ b/include/linux/iocontext.h
@@ -20,7 +20,6 @@ enum {
 };
 
 struct cfq_io_context {
-	void *key;
 	struct request_queue *q;
 
 	struct cfq_queue *cfqq[2];