block: add partition attribute for partition number

[linux-2.6-omap-h63xx.git] / fs / partitions / check.c

diff --git a/fs/partitions/check.c b/fs/partitions/check.c
index fbeb2f372a93dba06f0d9aab1cfb438389a5668e..cfb0c80690aaa4d9ba0da46a02a30d036c233fdf 100644 (file)
--- a/fs/partitions/check.c
+++ b/fs/partitions/check.c
@@ -195,6 +195,14 @@ check_partition(struct gendisk *hd, struct block_device *bdev)
        return ERR_PTR(res);
 }
 
+static ssize_t part_partition_show(struct device *dev,
+                                  struct device_attribute *attr, char *buf)
+{
+       struct hd_struct *p = dev_to_part(dev);
+
+       return sprintf(buf, "%d\n", p->partno);
+}
+
 static ssize_t part_start_show(struct device *dev,
                               struct device_attribute *attr, char *buf)
 {
@@ -260,6 +268,7 @@ ssize_t part_fail_store(struct device *dev,
 }
 #endif
 
+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(stat, S_IRUGO, part_stat_show, NULL);
@@ -269,6 +278,7 @@ static struct device_attribute dev_attr_fail =
 #endif
 
 static struct attribute *part_attrs[] = {
+       &dev_attr_partition.attr,
        &dev_attr_start.attr,
        &dev_attr_size.attr,
        &dev_attr_stat.attr,