blk-mq: fix sparse warning on missed __percpu annotation

'struct blk_mq_ctx' is  __percpu, so add the annotation
and fix the sparse warning reported from Fengguang:

	[block:for-linus 2/3] block/blk-mq.h:75:16: sparse: incorrect
	type in initializer (different address spaces)

Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Ming Lei <tom.leiming@gmail.com>
Signed-off-by: Jens Axboe <axboe@fb.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 8aba35f46f87..5c6f836afa1b 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -335,7 +335,7 @@ struct request_queue {
         unsigned int            *mq_map;
 
         /* sw queues */
-        struct blk_mq_ctx       *queue_ctx;
+        struct blk_mq_ctx __percpu      *queue_ctx;
         unsigned int            nr_queues;
 
         /* hw dispatch queues */