[PATCH 08/12] block: move blk_steal_bios to blk-mq.c

Christoph Hellwig hch at lst.de
Mon Oct 25 00:05:13 PDT 2021


Keep all the request based code together.

Signed-off-by: Christoph Hellwig <hch at lst.de>
---
 block/blk-core.c | 21 ---------------------
 block/blk-mq.c   | 21 +++++++++++++++++++++
 2 files changed, 21 insertions(+), 21 deletions(-)

diff --git a/block/blk-core.c b/block/blk-core.c
index 1ee942266df8d..98cb9d69a4068 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -1191,27 +1191,6 @@ void disk_end_io_acct(struct gendisk *disk, unsigned int op,
 }
 EXPORT_SYMBOL(disk_end_io_acct);
 
-/*
- * Steal bios from a request and add them to a bio list.
- * The request must not have been partially completed before.
- */
-void blk_steal_bios(struct bio_list *list, struct request *rq)
-{
-	if (rq->bio) {
-		if (list->tail)
-			list->tail->bi_next = rq->bio;
-		else
-			list->head = rq->bio;
-		list->tail = rq->biotail;
-
-		rq->bio = NULL;
-		rq->biotail = NULL;
-	}
-
-	rq->__data_len = 0;
-}
-EXPORT_SYMBOL_GPL(blk_steal_bios);
-
 /**
  * blk_lld_busy - Check if underlying low-level drivers of a device are busy
  * @q : the queue of the device being checked
diff --git a/block/blk-mq.c b/block/blk-mq.c
index a0505099b2ce2..06fb74166aded 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -2910,6 +2910,27 @@ int blk_rq_prep_clone(struct request *rq, struct request *rq_src,
 }
 EXPORT_SYMBOL_GPL(blk_rq_prep_clone);
 
+/*
+ * Steal bios from a request and add them to a bio list.
+ * The request must not have been partially completed before.
+ */
+void blk_steal_bios(struct bio_list *list, struct request *rq)
+{
+	if (rq->bio) {
+		if (list->tail)
+			list->tail->bi_next = rq->bio;
+		else
+			list->head = rq->bio;
+		list->tail = rq->biotail;
+
+		rq->bio = NULL;
+		rq->biotail = NULL;
+	}
+
+	rq->__data_len = 0;
+}
+EXPORT_SYMBOL_GPL(blk_steal_bios);
+
 static size_t order_to_size(unsigned int order)
 {
 	return (size_t)PAGE_SIZE << order;
-- 
2.30.2




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