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From: Steve Wise <swise-7bPotxP6k4+P2YhJcF5u+vpXobYPEAuW@public.gmane.org>
To: roland-BHEL68pLQRGGvPXPguhicg@public.gmane.org
Cc: linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: [PATCH] iw_cxgb4: Wake up waiters after flushing the qp
Date: Mon, 20 Oct 2014 10:37:55 -0500	[thread overview]
Message-ID: <20141020153755.31500.44966.stgit@build.ogc.int> (raw)

When transitioning into ERROR state, the QP was getting flushed after
waking up any waiters.  This can cause applications to miss flushed work
requests which can stall an NFS mount.

Signed-off-by: Steve Wise <swise-7bPotxP6k4+P2YhJcF5u+vpXobYPEAuW@public.gmane.org>
---

 drivers/infiniband/hw/cxgb4/qp.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/infiniband/hw/cxgb4/qp.c b/drivers/infiniband/hw/cxgb4/qp.c
index 41cd688..fad4851 100644
--- a/drivers/infiniband/hw/cxgb4/qp.c
+++ b/drivers/infiniband/hw/cxgb4/qp.c
@@ -1538,9 +1538,9 @@ err:
 	set_state(qhp, C4IW_QP_STATE_ERROR);
 	free = 1;
 	abort = 1;
-	wake_up(&qhp->wait);
 	BUG_ON(!ep);
 	flush_qp(qhp);
+	wake_up(&qhp->wait);
 out:
 	mutex_unlock(&qhp->mutex);
 

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             reply	other threads:[~2014-10-20 15:37 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-10-20 15:37 Steve Wise [this message]
     [not found] ` <20141020153755.31500.44966.stgit-T4OLL4TyM9aNDNWfRnPdfg@public.gmane.org>
2014-11-21 15:25   ` [PATCH] iw_cxgb4: Wake up waiters after flushing the qp Steve Wise
     [not found]     ` <546F597B.4020404-7bPotxP6k4+P2YhJcF5u+vpXobYPEAuW@public.gmane.org>
2014-11-21 15:42       ` Steve Wise
2014-12-01 15:42     ` Steve Wise

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