On 03/31/2014 08:46 AM, Christoph Hellwig wrote:
diff --git a/block/blk-mq.h b/block/blk-mq.h
index 238379a..eca3a47 100644
--- a/block/blk-mq.h
+++ b/block/blk-mq.h
@@ -1,6 +1,24 @@
#ifndef INT_BLK_MQ_H
#define INT_BLK_MQ_H
+#include <linux/percpu_ida.h>
+
+/*
+ * Tag address space map.
+ */
+struct blk_mq_tags {
+ unsigned int nr_tags;
+ unsigned int nr_reserved_tags;
+ unsigned int nr_batch_move;
+ unsigned int nr_max_cache;
+
+ struct percpu_ida free_tags;
+ struct percpu_ida reserved_tags;
+
+ struct request **rqs;
+ struct list_head page_list;
+};
+
This should go into block/blk-mq-tag.h.
-static inline struct request *blk_mq_tag_to_rq(struct blk_mq_hw_ctx *hctx,
- unsigned int tag)
-{
- return hctx->rqs[tag];
-}
We might as well leave this, the mtip32xx conversion ends up using it.
So if we pull it now, it'll just be reintroduced shortly.
--
Jens Axboe
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