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---
drivers/block/zram/zram_drv.c | 26 +++++++++++++++-----------
1 file changed, 15 insertions(+), 11 deletions(-)
--- a/drivers/block/zram/zram_drv.c
+++ b/drivers/block/zram/zram_drv.c
@@ -1368,6 +1368,13 @@ static int zram_remove(struct zram *zram
}
/* zram-control sysfs attributes */
+
+/*
+ * NOTE: hot_add attribute is not the usual read-only sysfs attribute. In a
+ * sense that reading from this file does alter the state of your system -- it
+ * creates a new un-initialized zram device and returns back this device's
+ * device_id (or an error code if it fails to create a new device).
+ */
static ssize_t hot_add_show(struct class *class,
struct class_attribute *attr,
char *buf)
@@ -1382,6 +1389,7 @@ static ssize_t hot_add_show(struct class
return ret;
return scnprintf(buf, PAGE_SIZE, "%d\n", ret);
}
+static CLASS_ATTR(hot_add, 0400, hot_add_show, NULL);
static ssize_t hot_remove_store(struct class *class,
struct class_attribute *attr,
@@ -1412,23 +1420,19 @@ static ssize_t hot_remove_store(struct c
mutex_unlock(&zram_index_mutex);
return ret ? ret : count;
}
+static CLASS_ATTR_WO(hot_remove);
-/*
- * NOTE: hot_add attribute is not the usual read-only sysfs attribute. In a
- * sense that reading from this file does alter the state of your system -- it
- * creates a new un-initialized zram device and returns back this device's
- * device_id (or an error code if it fails to create a new device).
- */
-static struct class_attribute zram_control_class_attrs[] = {
- __ATTR(hot_add, 0400, hot_add_show, NULL),
- __ATTR_WO(hot_remove),
- __ATTR_NULL,
+static struct attribute *zram_control_class_attrs[] = {
+ &class_attr_hot_add.attr,
+ &class_attr_hot_remove.attr,
+ NULL,
};
+ATTRIBUTE_GROUPS(zram_control_class);
static struct class zram_control_class = {
.name = "zram-control",
.owner = THIS_MODULE,
- .class_attrs = zram_control_class_attrs,
+ .class_groups = zram_control_class_groups,
};
static int zram_remove_cb(int id, void *ptr, void *data)
|
