linux-kernel - [PATCH 3/3] scsi: qla2xxx: target: add WQ_PERCPU to alloc

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Message-ID: <20260113145711.242316-4-marco.crivellari@suse.com>
Date: Tue, 13 Jan 2026 15:57:11 +0100
From: Marco Crivellari <marco.crivellari@...e.com>
To: linux-kernel@...r.kernel.org,
	linux-scsi@...r.kernel.org
Cc: Tejun Heo <tj@...nel.org>,
	Lai Jiangshan <jiangshanlai@...il.com>,
	Frederic Weisbecker <frederic@...nel.org>,
	Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
	Marco Crivellari <marco.crivellari@...e.com>,
	Michal Hocko <mhocko@...e.com>,
	Nilesh Javali <njavali@...vell.com>,
	GR-QLogic-Storage-Upstream@...vell.com,
	"James E . J . Bottomley" <James.Bottomley@...senPartnership.com>,
	"Martin K . Petersen" <martin.petersen@...cle.com>
Subject: [PATCH 3/3] scsi: qla2xxx: target: add WQ_PERCPU to alloc_workqueue users

This continues the effort to refactor workqueue APIs, which began with
the introduction of new workqueues and a new alloc_workqueue flag in:

   commit 128ea9f6ccfb ("workqueue: Add system_percpu_wq and system_dfl_wq")
   commit 930c2ea566af ("workqueue: Add new WQ_PERCPU flag")

The refactoring is going to alter the default behavior of
alloc_workqueue() to be unbound by default.

With the introduction of the WQ_PERCPU flag (equivalent to !WQ_UNBOUND),
any alloc_workqueue() caller that doesn’t explicitly specify WQ_UNBOUND
must now use WQ_PERCPU. For more details see the Link tag below.

In order to keep alloc_workqueue() behavior identical, explicitly request
WQ_PERCPU.

Link: https://lore.kernel.org/all/20250221112003.1dSuoGyc@linutronix.de/
Suggested-by: Tejun Heo <tj@...nel.org>
Signed-off-by: Marco Crivellari <marco.crivellari@...e.com>
---
 drivers/scsi/qla2xxx/qla_target.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/scsi/qla2xxx/qla_target.c b/drivers/scsi/qla2xxx/qla_target.c
index d772136984c9..ef3a5fac2b48 100644
--- a/drivers/scsi/qla2xxx/qla_target.c
+++ b/drivers/scsi/qla2xxx/qla_target.c
@@ -8390,7 +8390,7 @@ int __init qlt_init(void)
 		goto out_plogi_cachep;
 	}
 
-	qla_tgt_wq = alloc_workqueue("qla_tgt_wq", 0, 0);
+	qla_tgt_wq = alloc_workqueue("qla_tgt_wq", WQ_PERCPU, 0);
 	if (!qla_tgt_wq) {
 		ql_log(ql_log_fatal, NULL, 0xe06f,
 		    "alloc_workqueue for qla_tgt_wq failed\n");
-- 
2.52.0