workqueue: convert bus code to use dev_groups
The dev_attrs field of struct bus_type is going away soon, dev_groups
should be used instead. This converts the workqueue bus code to use
the correct field.
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index 0b72e81..d1b5f06 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -3081,25 +3081,26 @@
return wq_dev->wq;
}
-static ssize_t wq_per_cpu_show(struct device *dev,
- struct device_attribute *attr, char *buf)
+static ssize_t per_cpu_show(struct device *dev, struct device_attribute *attr,
+ char *buf)
{
struct workqueue_struct *wq = dev_to_wq(dev);
return scnprintf(buf, PAGE_SIZE, "%d\n", (bool)!(wq->flags & WQ_UNBOUND));
}
+static DEVICE_ATTR_RO(per_cpu);
-static ssize_t wq_max_active_show(struct device *dev,
- struct device_attribute *attr, char *buf)
+static ssize_t max_active_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
struct workqueue_struct *wq = dev_to_wq(dev);
return scnprintf(buf, PAGE_SIZE, "%d\n", wq->saved_max_active);
}
-static ssize_t wq_max_active_store(struct device *dev,
- struct device_attribute *attr,
- const char *buf, size_t count)
+static ssize_t max_active_store(struct device *dev,
+ struct device_attribute *attr, const char *buf,
+ size_t count)
{
struct workqueue_struct *wq = dev_to_wq(dev);
int val;
@@ -3110,12 +3111,14 @@
workqueue_set_max_active(wq, val);
return count;
}
+static DEVICE_ATTR_RW(max_active);
-static struct device_attribute wq_sysfs_attrs[] = {
- __ATTR(per_cpu, 0444, wq_per_cpu_show, NULL),
- __ATTR(max_active, 0644, wq_max_active_show, wq_max_active_store),
- __ATTR_NULL,
+static struct attribute *wq_sysfs_attrs[] = {
+ &dev_attr_per_cpu.attr,
+ &dev_attr_max_active.attr,
+ NULL,
};
+ATTRIBUTE_GROUPS(wq_sysfs);
static ssize_t wq_pool_ids_show(struct device *dev,
struct device_attribute *attr, char *buf)
@@ -3265,7 +3268,7 @@
static struct bus_type wq_subsys = {
.name = "workqueue",
- .dev_attrs = wq_sysfs_attrs,
+ .dev_groups = wq_sysfs_groups,
};
static int __init wq_sysfs_init(void)