return sprintf(buf, "%d\n", queue_alignment_offset(disk->queue));
}
+static ssize_t disk_discard_alignment_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct gendisk *disk = dev_to_disk(dev);
+
+ return sprintf(buf, "%d\n", queue_discard_alignment(disk->queue));
+}
+
static DEVICE_ATTR(range, S_IRUGO, disk_range_show, NULL);
static DEVICE_ATTR(ext_range, S_IRUGO, disk_ext_range_show, NULL);
static DEVICE_ATTR(removable, S_IRUGO, disk_removable_show, NULL);
static DEVICE_ATTR(ro, S_IRUGO, disk_ro_show, NULL);
static DEVICE_ATTR(size, S_IRUGO, part_size_show, NULL);
static DEVICE_ATTR(alignment_offset, S_IRUGO, disk_alignment_offset_show, NULL);
+static DEVICE_ATTR(discard_alignment, S_IRUGO, disk_discard_alignment_show,
+ NULL);
static DEVICE_ATTR(capability, S_IRUGO, disk_capability_show, NULL);
static DEVICE_ATTR(stat, S_IRUGO, part_stat_show, NULL);
static DEVICE_ATTR(inflight, S_IRUGO, part_inflight_show, NULL);
&dev_attr_ro.attr,
&dev_attr_size.attr,
&dev_attr_alignment_offset.attr,
+ &dev_attr_discard_alignment.attr,
&dev_attr_capability.attr,
&dev_attr_stat.attr,
&dev_attr_inflight.attr,
.attrs = disk_attrs,
};
-static struct attribute_group *disk_attr_groups[] = {
+static const struct attribute_group *disk_attr_groups[] = {
&disk_attr_group,
NULL
};
.name = "block",
};
-static char *block_nodename(struct device *dev)
+static char *block_devnode(struct device *dev, mode_t *mode)
{
struct gendisk *disk = dev_to_disk(dev);
- if (disk->nodename)
- return disk->nodename(disk);
+ if (disk->devnode)
+ return disk->devnode(disk, mode);
return NULL;
}
.name = "disk",
.groups = disk_attr_groups,
.release = disk_release,
- .nodename = block_nodename,
+ .devnode = block_devnode,
};
#ifdef CONFIG_PROC_FS