From: Jens Axboe <axboe@kernel.dk>
Date: Sun, 1 Oct 2017 01:26:21 -0600
Subject: [PATCH] blk-mq-tag: kill unused tag enums
Git-commit: 5385fa47d883dc7d51de622835427bc2558ed43c
Patch-mainline: v4.15-rc1
References: bsc#1104967,FATE#325924

We don't have any notion of a tagging cache anymore, and haven't
for a long time. Kill off the unused enums.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
Acked-by: Hannes Reinecke <hare@suse.com>
---
 block/blk-mq-tag.h | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/block/blk-mq-tag.h b/block/blk-mq-tag.h
index 5cb51e53cc03..5932a7ac7fc4 100644
--- a/block/blk-mq-tag.h
+++ b/block/blk-mq-tag.h
@@ -43,14 +43,9 @@ static inline struct sbq_wait_state *bt_wait_ptr(struct sbitmap_queue *bt,
 	return sbq_wait_ptr(bt, &hctx->wait_index);
 }
 
-enum {
-	BLK_MQ_TAG_CACHE_MIN	= 1,
-	BLK_MQ_TAG_CACHE_MAX	= 64,
-};
-
 enum {
 	BLK_MQ_TAG_FAIL		= -1U,
-	BLK_MQ_TAG_MIN		= BLK_MQ_TAG_CACHE_MIN,
+	BLK_MQ_TAG_MIN		= 1,
 	BLK_MQ_TAG_MAX		= BLK_MQ_TAG_FAIL - 1,
 };
 
-- 
2.16.4