No one use blk_freeze_queue(), so remove it and the obsolete comment.
Reviewed-by: Christoph Hellwig <hch@xxxxxx>
Signed-off-by: Ming Lei <ming.lei@xxxxxxxxxx>
---
block/blk-mq.c | 22 +---------------------
block/blk.h | 1 -
2 files changed, 1 insertion(+), 22 deletions(-)
diff --git a/block/blk-mq.c b/block/blk-mq.c
index 4ae7eb335fbd..5f4496220432 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -161,31 +161,11 @@ int blk_mq_freeze_queue_wait_timeout(struct request_queue *q,
}
EXPORT_SYMBOL_GPL(blk_mq_freeze_queue_wait_timeout);
-/*
- * Guarantee no request is in use, so we can change any data structure of
- * the queue afterward.
- */
-void blk_freeze_queue(struct request_queue *q)
+void blk_mq_freeze_queue(struct request_queue *q)
{
- /*
- * In the !blk_mq case we are only calling this to kill the
- * q_usage_counter, otherwise this increases the freeze depth
- * and waits for it to return to zero. For this reason there is
- * no blk_unfreeze_queue(), and blk_freeze_queue() is not
- * exported to drivers as the only user for unfreeze is blk_mq.
- */
blk_freeze_queue_start(q);
blk_mq_freeze_queue_wait(q);
}
-
-void blk_mq_freeze_queue(struct request_queue *q)
-{
- /*
- * ...just an alias to keep freeze and unfreeze actions balanced
- * in the blk_mq_* namespace
- */
- blk_freeze_queue(q);
-}
EXPORT_SYMBOL_GPL(blk_mq_freeze_queue);
bool __blk_mq_unfreeze_queue(struct request_queue *q, bool force_atomic)
diff --git a/block/blk.h b/block/blk.h
index 63d5df0dc29c..ac48b79cbf80 100644
--- a/block/blk.h
+++ b/block/blk.h
@@ -35,7 +35,6 @@ struct blk_flush_queue *blk_alloc_flush_queue(int node, int cmd_size,
gfp_t flags);
void blk_free_flush_queue(struct blk_flush_queue *q);
-void blk_freeze_queue(struct request_queue *q);
bool __blk_mq_unfreeze_queue(struct request_queue *q, bool force_atomic);
bool blk_queue_start_drain(struct request_queue *q);
bool __blk_freeze_queue_start(struct request_queue *q);
--
2.47.0
