diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 072ba5e..e3f55a2 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -95,7 +95,6 @@ static void ata_dev_xfermask(struct ata_device *dev);
 static unsigned long ata_dev_blacklisted(const struct ata_device *dev);
 
 unsigned int ata_print_id = 1;
-static struct workqueue_struct *ata_wq;
 
 struct workqueue_struct *ata_aux_wq;
 
@@ -1700,7 +1699,7 @@ void ata_pio_queue_task(struct ata_port *ap, void *data, unsigned long delay)
 	ap->port_task_data = data;
 
 	/* may fail if ata_port_flush_task() in progress */
-	queue_delayed_work(ata_wq, &ap->port_task, msecs_to_jiffies(delay));
+	delayed_slow_work_enqueue(&ap->port_task, msecs_to_jiffies(delay));
 }
 
 /**
@@ -1717,7 +1716,7 @@ void ata_port_flush_task(struct ata_port *ap)
 {
 	DPRINTK("ENTER\n");
 
-	cancel_rearming_delayed_work(&ap->port_task);
+	cancel_delayed_slow_work(&ap->port_task);
 
 	if (ata_msg_ctl(ap))
 		ata_port_printk(ap, KERN_DEBUG, "%s: EXIT\n", __func__);
@@ -5600,6 +5599,20 @@ int sata_link_init_spd(struct ata_link *link)
 	return 0;
 }
 
+static int ata_slow_work_get(struct slow_work *work)
+{
+	return 0;
+}
+
+static const struct slow_work_ops ata_work_ops_sff = {
+	.get_ref	= ata_slow_work_get,
+	.execute	= ata_pio_task,
+};
+
+static const struct slow_work_ops ata_work_ops = {
+	.get_ref	= ata_slow_work_get,
+};
+
 /**
  *	ata_port_alloc - allocate and initialize basic ATA port resources
  *	@host: ATA host this allocated port belongs to
@@ -5641,9 +5654,9 @@ struct ata_port *ata_port_alloc(struct ata_host *host)
 #endif
 
 #ifdef CONFIG_ATA_SFF
-	INIT_DELAYED_WORK(&ap->port_task, ata_pio_task);
+	delayed_slow_work_init(&ap->port_task, &ata_work_ops_sff);
 #else
-	INIT_DELAYED_WORK(&ap->port_task, NULL);
+	delayed_slow_work_init(&ap->port_task, &ata_work_ops);
 #endif
 	INIT_DELAYED_WORK(&ap->hotplug_task, ata_scsi_hotplug);
 	INIT_WORK(&ap->scsi_rescan_task, ata_scsi_dev_rescan);
@@ -6580,19 +6593,15 @@ static int __init ata_init(void)
 {
 	ata_parse_force_param();
 
-	ata_wq = create_workqueue("ata");
-	if (!ata_wq)
-		goto free_force_tbl;
-
 	ata_aux_wq = create_singlethread_workqueue("ata_aux");
 	if (!ata_aux_wq)
-		goto free_wq;
+		goto free_force_tbl;
+
+	slow_work_register_user();
 
 	printk(KERN_DEBUG "libata version " DRV_VERSION " loaded.\n");
 	return 0;
 
-free_wq:
-	destroy_workqueue(ata_wq);
 free_force_tbl:
 	kfree(ata_force_tbl);
 	return -ENOMEM;
@@ -6601,8 +6610,8 @@ free_force_tbl:
 static void __exit ata_exit(void)
 {
 	kfree(ata_force_tbl);
-	destroy_workqueue(ata_wq);
 	destroy_workqueue(ata_aux_wq);
+	slow_work_unregister_user();
 }
 
 subsys_initcall(ata_init);
diff --git a/drivers/ata/libata-sff.c b/drivers/ata/libata-sff.c
index bbbb1fa..f795ab7 100644
--- a/drivers/ata/libata-sff.c
+++ b/drivers/ata/libata-sff.c
@@ -1454,7 +1454,7 @@ fsm_start:
 }
 EXPORT_SYMBOL_GPL(ata_sff_hsm_move);
 
-void ata_pio_task(struct work_struct *work)
+void ata_pio_task(struct slow_work *work)
 {
 	struct ata_port *ap =
 		container_of(work, struct ata_port, port_task.work);
diff --git a/drivers/ata/libata.h b/drivers/ata/libata.h
index 89a1e00..d48d14d 100644
--- a/drivers/ata/libata.h
+++ b/drivers/ata/libata.h
@@ -202,7 +202,7 @@ static inline int sata_pmp_attach(struct ata_device *dev)
 extern void ata_dev_select(struct ata_port *ap, unsigned int device,
                            unsigned int wait, unsigned int can_sleep);
 extern u8 ata_irq_on(struct ata_port *ap);
-extern void ata_pio_task(struct work_struct *work);
+extern void ata_pio_task(struct slow_work *work);
 #endif /* CONFIG_ATA_SFF */
 
 #endif /* __LIBATA_H__ */
diff --git a/include/linux/libata.h b/include/linux/libata.h
index e5b6e33..6830c82 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -34,6 +34,7 @@
 #include <linux/io.h>
 #include <linux/ata.h>
 #include <linux/workqueue.h>
+#include <linux/slow-work.h>
 #include <scsi/scsi_host.h>
 #include <linux/acpi.h>
 #include <linux/cdrom.h>
@@ -734,7 +735,7 @@ struct ata_port {
 	struct device 		*dev;
 
 	void			*port_task_data;
-	struct delayed_work	port_task;
+	struct delayed_slow_work	port_task;
 	struct delayed_work	hotplug_task;
 	struct work_struct	scsi_rescan_task;