nvme-fc: avoid workqueue flush stalls

There's no need to wait for the full nvme_wq, which is now shared,
to flush. flush only the delete_work item.

Signed-off-by: James Smart <james.smart@broadcom.com>
Reviewed-by: Sagi Grimberg <sgi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>

diff --git a/drivers/nvme/host/fc.c b/drivers/nvme/host/fc.c
index b600c07..50cc17e 100644 (file)
--- a/drivers/nvme/host/fc.c
+++ b/drivers/nvme/host/fc.c
@@ -2693,7 +2693,7 @@ nvme_fc_del_nvme_ctrl(struct nvme_ctrl *nctrl)
        nvme_get_ctrl(&ctrl->ctrl);
        ret = __nvme_fc_del_ctrl(ctrl);
        if (!ret)
-               flush_workqueue(nvme_wq);
+               flush_work(&ctrl->delete_work);
        nvme_put_ctrl(&ctrl->ctrl);
 
        return ret;