linux-kernel - [PATCH 17/22] IB/mlx4/mad: Remove deprecated create_singlethread

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Date:	Mon, 15 Aug 2016 23:43:10 +0530
From:	Bhaktipriya Shridhar <bhaktipriya96@...il.com>
To:	Yishai Hadas <yishaih@...lanox.com>,
	Doug Ledford <dledford@...hat.com>,
	Sean Hefty <sean.hefty@...el.com>,
	Hal Rosenstock <hal.rosenstock@...il.com>,
	Jason Gunthorpe <jgunthorpe@...idianresearch.com>,
	Leon Romanovsky <leonro@...lanox.com>,
	Chuck Lever <chuck.lever@...cle.com>,
	Mark Bloch <markb@...lanox.com>,
	Hans Westgaard Ry <hans.westgaard.ry@...cle.com>,
	Christoph Lameter <cl@...ux.com>,
	Erez Shitrit <erezsh@...lanox.com>,
	Haggai Eran <haggaie@...lanox.com>,
	Florian Westphal <fw@...len.de>,
	Guy Shapiro <guysh@...lanox.com>, Eli Cohen <eli@...lanox.com>,
	Or Gerlitz <ogerlitz@...lanox.com>,
	Faisal Latif <faisal.latif@...el.com>,
	Matan Barak <matanb@...lanox.com>,
	Chien Tin Tung <chien.tin.tung@...el.com>,
	Mustafa Ismail <mustafa.ismail@...el.com>,
	Shiraz Saleem <shiraz.saleem@...el.com>,
	Tatyana Nikolova <tatyana.e.nikolova@...el.com>,
	Steve Wise <swise@...lsio.com>,
	Mike Marciniszyn <infinipath@...el.com>,
	Bart Van Assche <bart.vanassche@...disk.com>,
	Yotam Kenneth <yotamke@...lanox.com>,
	Somnath Kotur <Somnath.Kotur@...gotech.Com>,
	Moni Shoua <monis@...lanox.com>,
	Shachar Raindel <raindel@...lanox.com>,
	Parav Pandit <pandit.parav@...il.com>,
	Sagi Grimberg <sagi@...mberg.me>,
	Christoph Hellwig <hch@...radead.org>,
	Dean Luick <dean.luick@...el.com>,
	Ira Weiny <ira.weiny@...el.com>,
	Kaike Wan <kaike.wan@...el.com>
Cc:	linux-rdma@...r.kernel.org, linux-kernel@...r.kernel.org,
	Tejun Heo <tj@...nel.org>
Subject: [PATCH 17/22] IB/mlx4/mad: Remove deprecated
 create_singlethread_workqueue

alloc_ordered_workqueue() with WQ_MEM_RECLAIM set, replaces
deprecated create_singlethread_workqueue(). This is the identity
conversion.

The workqueue "wq" queues work item &ctx->work and the workqueue "ud_wq"
queues work item &dm[i]->work.

Both the workqueues have been identity converted.

WQ_MEM_RECLAIM has been set to ensure forward progress under
memory pressure.

Signed-off-by: Bhaktipriya Shridhar <bhaktipriya96@...il.com>
---
 drivers/infiniband/hw/mlx4/mad.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/infiniband/hw/mlx4/mad.c b/drivers/infiniband/hw/mlx4/mad.c
index 9c2e53d..35b1260 100644
--- a/drivers/infiniband/hw/mlx4/mad.c
+++ b/drivers/infiniband/hw/mlx4/mad.c
@@ -2070,7 +2070,7 @@ static int mlx4_ib_alloc_demux_ctx(struct mlx4_ib_dev *dev,
 	}

 	snprintf(name, sizeof name, "mlx4_ibt%d", port);
-	ctx->wq = create_singlethread_workqueue(name);
+	ctx->wq = alloc_ordered_workqueue(name, WQ_MEM_RECLAIM);
 	if (!ctx->wq) {
 		pr_err("Failed to create tunnelling WQ for port %d\n", port);
 		ret = -ENOMEM;
@@ -2078,7 +2078,7 @@ static int mlx4_ib_alloc_demux_ctx(struct mlx4_ib_dev *dev,
 	}

 	snprintf(name, sizeof name, "mlx4_ibud%d", port);
-	ctx->ud_wq = create_singlethread_workqueue(name);
+	ctx->ud_wq = alloc_ordered_workqueue(name, WQ_MEM_RECLAIM);
 	if (!ctx->ud_wq) {
 		pr_err("Failed to create up/down WQ for port %d\n", port);
 		ret = -ENOMEM;
--
2.1.4