[PATCH 06/16] blk-mq: remove blk_qc_t_to_tag and blk_qc_t_is_internal
From: Christoph Hellwig <hch@lst.de>
Date: 2021-06-15 13:13:14
Also in:
linux-fsdevel, linux-nvme
Subsystem:
block layer, the rest · Maintainers:
Jens Axboe, Linus Torvalds
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 <hch@lst.de> Reviewed-by: Sagi Grimberg <sagi@grimberg.me> Tested-by: Mark Wunderlich <redacted> --- block/blk-mq.c | 8 +++++--- include/linux/blk_types.h | 10 ---------- 2 files changed, 5 insertions(+), 13 deletions(-)
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;
--
2.30.2