From: Bart Van Assche <bvanassche@acm.org>
Date: Fri, 31 May 2019 00:00:53 +0000 (-0700)
Subject: blk-mq: Document the blk_mq_hw_queue_to_node() arguments
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=cd669f88b13474b7b65396d6413be973b7074ba1;p=linux.git

blk-mq: Document the blk_mq_hw_queue_to_node() arguments

Document the meaning of the blk_mq_hw_queue_to_node() arguments.

Reviewed-by: Chaitanya Kulkarni <chiatanya.kulkarni@wdc.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---

diff --git a/block/blk-mq-cpumap.c b/block/blk-mq-cpumap.c
index 0afa4dc483656..f945621a0e8f2 100644
--- a/block/blk-mq-cpumap.c
+++ b/block/blk-mq-cpumap.c
@@ -60,7 +60,11 @@ int blk_mq_map_queues(struct blk_mq_queue_map *qmap)
 }
 EXPORT_SYMBOL_GPL(blk_mq_map_queues);
 
-/*
+/**
+ * blk_mq_hw_queue_to_node - Look up the memory node for a hardware queue index
+ * @qmap: CPU to hardware queue map.
+ * @index: hardware queue index.
+ *
  * We have no quick way of doing reverse lookups. This is only used at
  * queue init time, so runtime isn't important.
  */