From f5e2caf1f369ec06d50650a2e1dbd859b0fa3b04 Mon Sep 17 00:00:00 2001
From: Frederic Robra
Date: Sun, 20 Oct 2019 13:46:56 +0200
Subject: added comments

---
 src/kernel/mq.c | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

(limited to 'src/kernel/mq.c')

diff --git a/src/kernel/mq.c b/src/kernel/mq.c
index d83f7e4..34a8a5b 100644
--- a/src/kernel/mq.c
+++ b/src/kernel/mq.c
@@ -25,9 +25,9 @@
 #include <linux/blk-mq.h>
 
 /**
- * dnbd3_busy_iter - iterator for blk_mq_tagset_busy_iter
+ * dnbd3_busy_iter - iterator to set a bit for busy reqeust
  * @req: the request
- * @priv: the passed argument from blk_mq_tagset_busy_iter
+ * @priv: the passed argument busy
  * @arg: unknown
  */
 static void dnbd3_busy_iter(struct request *req, void *priv, bool arg)
@@ -70,6 +70,13 @@ unsigned long dnbd3_is_mq_busy(struct dnbd3_device *dev)
 	return busy;
 }
 
+
+/**
+ * dnbd3_busy_iter - iterator to requeue inflight commands
+ * @req: the request
+ * @priv: the passed argument from blk_mq_tagset_busy_iter
+ * @arg: unknown
+ */
 static void dnbd3_busy_iter_requeue(struct request *req, void *priv, bool arg)
 {
 	struct dnbd3_sock *sock = priv;
@@ -83,6 +90,10 @@ static void dnbd3_busy_iter_requeue(struct request *req, void *priv, bool arg)
 	mutex_unlock(&cmd->lock);
 }
 
+/**
+ * dndb3_reque_busy_requests - reque busy (inflight) requests
+ * @sock: the socket
+ */
 void dndb3_reque_busy_requests(struct dnbd3_sock *sock)
 {
 	struct blk_mq_tag_set *set = &sock->device->tag_set;
-- 
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