[06/16] blk-mq: remove blk_qc_t_to_tag and blk_qc_t_is_internal

Commit Message

Christoph Hellwig June 15, 2021, 1:10 p.m. UTC

Merge both functions into their only caller to keep the blk-mq tag to
blk_qc_t mapping as private as possible in blk-mq.c.

Signed-off-by: Christoph Hellwig <[e-mail]>
Reviewed-by: Sagi Grimberg <[e-mail]>
Tested-by: Mark Wunderlich <[e-mail]>
---
 block/blk-mq.c            |  8 +++++---
 include/linux/blk_types.h | 10 ----------
 2 files changed, 5 insertions(+), 13 deletions(-)

Patch

diff --git a/block/blk-mq.c b/block/blk-mq.c
index f4bb6e1db36a..eb861839ff49 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -72,9 +72,11 @@  static inline struct blk_mq_hw_ctx *blk_qc_to_hctx(struct request_queue *q,
 static inline struct request *blk_qc_to_rq(struct blk_mq_hw_ctx *hctx,
 		blk_qc_t qc)
 {
-	if (blk_qc_t_is_internal(qc))
-		return blk_mq_tag_to_rq(hctx->sched_tags, blk_qc_t_to_tag(qc));
-	return blk_mq_tag_to_rq(hctx->tags, blk_qc_t_to_tag(qc));
+	unsigned int tag = qc & ((1U << BLK_QC_T_SHIFT) - 1);
+
+	if (qc & BLK_QC_T_INTERNAL)
+		return blk_mq_tag_to_rq(hctx->sched_tags, tag);
+	return blk_mq_tag_to_rq(hctx->tags, tag);
 }
 
 /*
diff --git a/include/linux/blk_types.h b/include/linux/blk_types.h
index e2c4a7d5de05..abe00ac81b2e 100644
--- a/include/linux/blk_types.h
+++ b/include/linux/blk_types.h
@@ -511,16 +511,6 @@  static inline bool blk_qc_t_valid(blk_qc_t cookie)
 	return cookie != BLK_QC_T_NONE;
 }
 
-static inline unsigned int blk_qc_t_to_tag(blk_qc_t cookie)
-{
-	return cookie & ((1u << BLK_QC_T_SHIFT) - 1);
-}
-
-static inline bool blk_qc_t_is_internal(blk_qc_t cookie)
-{
-	return (cookie & BLK_QC_T_INTERNAL) != 0;
-}
-
 struct blk_rq_stat {
 	u64 mean;
 	u64 min;