[PATCH v2 3/3] nvmet-fc: add WQ_PERCPU to alloc_workqueue users

Marco Crivellari
2026-02-23T10:24:03Z

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.

Cc: Justin Tee <justin.tee@broadcom.com>
Cc: Naresh Gottumukkala <nareshgottumukkala83@gmail.com>
CC: Paul Ely <paul.ely@broadcom.com>
Link: https://lore.kernel.org/all/20250221112003.1dSuoGyc@linutronix.de/
Suggested-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Marco Crivellari <marco.crivellari@suse.com>
---
drivers/nvme/target/fc.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/nvme/target/fc.c b/drivers/nvme/target/fc.c
index 4eaadc711c99..d161707559ce 100644
--- a/drivers/nvme/target/fc.c
+++ b/drivers/nvme/target/fc.c
@@ -792,9 +792,9 @@ nvmet_fc_alloc_target_queue(struct nvmet_fc_tgt_assoc *assoc,
if (!queue)
return NULL;

- queue->work_q = alloc_workqueue("ntfc%d.%d.%d", 0, 0,
- assoc->tgtport->fc_target_port.port_num,
- assoc->a_id, qid);
+ queue->work_q = alloc_workqueue("ntfc%d.%d.%d", WQ_PERCPU, 0,
+ assoc->tgtport->fc_target_port.port_num,
+ assoc->a_id, qid);
if (!queue->work_q)
goto out_free_queue;

--
2.52.0