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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>
Ming Lei 11 years ago
parent
cb96a42cc1
commit
e6cdb0929f
2 changed files with 2 additions and 2 deletions
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  1. 1 1
      block/blk-mq.c
  2. 1 1
      include/linux/blkdev.h

+ 1 - 1
block/blk-mq.c
View File 

@@ -1767,7 +1767,7 @@ static void blk_mq_add_queue_tag_set(struct blk_mq_tag_set *set,
 
 struct request_queue *blk_mq_init_queue(struct blk_mq_tag_set *set)
 
 {
 
 	struct blk_mq_hw_ctx **hctxs;
 
-	struct blk_mq_ctx *ctx;
 
+	struct blk_mq_ctx __percpu *ctx;
 
 	struct request_queue *q;
 
 	unsigned int *map;
 
 	int i;

+ 1 - 1
include/linux/blkdev.h
View File 

@@ -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 */