linux-kernel - [PATCH v3 12/18] NTB: Rate limit ntb_qp_link

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Message-Id: <d5916febc226f9b885869c430b670c6de05dd634.1433838377.git.Allen.Hubbe@emc.com>
Date:	Tue,  9 Jun 2015 05:44:39 -0400
From:	Allen Hubbe <Allen.Hubbe@....com>
To:	linux-ntb@...glegroups.com
Cc:	linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org,
	Jon Mason <jdmason@...zu.us>,
	Dave Jiang <dave.jiang@...el.com>,
	Allen Hubbe <Allen.Hubbe@....com>
Subject: [PATCH v3 12/18] NTB: Rate limit ntb_qp_link_work

When the ntb transport is connecting and waiting for the peer, the debug
console receives lots of debug level messages about the remote qp link
status being down.  Rate limit those messages.

Signed-off-by: Allen Hubbe <Allen.Hubbe@....com>
---
 drivers/ntb/ntb_transport.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/ntb/ntb_transport.c b/drivers/ntb/ntb_transport.c
index 2efd1eae9a7c..8ce0bf67ac20 100644
--- a/drivers/ntb/ntb_transport.c
+++ b/drivers/ntb/ntb_transport.c
@@ -850,7 +850,7 @@ static void ntb_qp_link_work(struct work_struct *work)
 
 	/* query remote spad for qp ready bits */
 	ntb_peer_spad_read(nt->ndev, QP_LINKS);
-	dev_dbg(&pdev->dev, "Remote QP link status = %x\n", val);
+	dev_dbg_ratelimited(&pdev->dev, "Remote QP link status = %x\n", val);
 
 	/* See if the remote side is up */
 	if (val & BIT(qp->qp_num)) {
-- 
2.4.0.rc0.43.gcf8a8c6

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