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@emc.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>

diff --git a/drivers/ntb/ntb_transport.c b/drivers/ntb/ntb_transport.c
index 2efd1eae9a7c7cf9ee9abce9c188b74cf7867cfd..8ce0bf67ac20882e1450deef088e051142cd3ca1 100644 (file)
--- 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)) {