return sprintf(buf, "%llu\n",(unsigned long long)p->nr_sects);
}
+ssize_t part_ro_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct hd_struct *p = dev_to_part(dev);
+ return sprintf(buf, "%d\n", p->policy ? 1 : 0);
+}
+
ssize_t part_alignment_offset_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
static DEVICE_ATTR(partition, S_IRUGO, part_partition_show, NULL);
static DEVICE_ATTR(start, S_IRUGO, part_start_show, NULL);
static DEVICE_ATTR(size, S_IRUGO, part_size_show, NULL);
+static DEVICE_ATTR(ro, S_IRUGO, part_ro_show, NULL);
static DEVICE_ATTR(alignment_offset, S_IRUGO, part_alignment_offset_show, NULL);
static DEVICE_ATTR(discard_alignment, S_IRUGO, part_discard_alignment_show,
NULL);
&dev_attr_partition.attr,
&dev_attr_start.attr,
&dev_attr_size.attr,
+ &dev_attr_ro.attr,
&dev_attr_alignment_offset.attr,
&dev_attr_discard_alignment.attr,
&dev_attr_stat.attr,
put_device(part_to_dev(part));
}
+void __delete_partition(struct hd_struct *part)
+{
+ call_rcu(&part->rcu_head, delete_partition_rcu_cb);
+}
+
void delete_partition(struct gendisk *disk, int partno)
{
struct disk_part_tbl *ptbl = disk->part_tbl;
kobject_put(part->holder_dir);
device_del(part_to_dev(part));
- call_rcu(&part->rcu_head, delete_partition_rcu_cb);
+ hd_struct_put(part);
}
static ssize_t whole_disk_show(struct device *dev,
if (!dev_get_uevent_suppress(ddev))
kobject_uevent(&pdev->kobj, KOBJ_ADD);
+ hd_ref_init(p);
return p;
out_free_info:
goto exit;
bdev->bd_invalidated = 1;
- err = blkdev_get(bdev, FMODE_READ);
+ err = blkdev_get(bdev, FMODE_READ, NULL);
if (err < 0)
goto exit;
blkdev_put(bdev, FMODE_READ);