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authorBart Van Assche <bvanassche@acm.org>2019-05-31 00:00:53 (GMT)
committerJens Axboe <axboe@kernel.dk>2019-05-31 21:12:34 (GMT)
commitcd669f88b13474b7b65396d6413be973b7074ba1 (patch)
tree3a0f5c406a2ceea34255a6714cc149bfb78cf556 /block
parentef025d7ec2fc433e7db76afd74493aaa9a59d921 (diff)
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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>
Diffstat (limited to 'block')
-rw-r--r--block/blk-mq-cpumap.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/block/blk-mq-cpumap.c b/block/blk-mq-cpumap.c
index 0afa4dc..f945621 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.
*/