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Subject[PATCH 4/4] blk-mq: delete unused completion_data in struct request
Date
From: Chengming Zhou <zhouchengming@bytedance.com>

After global search, I found "completion_data" in struct request
is not used anywhere, so just clean it up by the way.

Signed-off-by: Chengming Zhou <zhouchengming@bytedance.com>
---
include/linux/blk-mq.h | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/include/linux/blk-mq.h b/include/linux/blk-mq.h
index 96644d6f8d18..ab790eba5fcf 100644
--- a/include/linux/blk-mq.h
+++ b/include/linux/blk-mq.h
@@ -158,13 +158,11 @@ struct request {

/*
* The rb_node is only used inside the io scheduler, requests
- * are pruned when moved to the dispatch queue. So let the
- * completion_data share space with the rb_node.
+ * are pruned when moved to the dispatch queue.
*/
union {
struct rb_node rb_node; /* sort/lookup */
struct bio_vec special_vec;
- void *completion_data;
};

/*
--
2.39.2
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