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-rw-r--r--block/genhd.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/block/genhd.c b/block/genhd.c
index fe7ccc0a618f..f4c64c2b303a 100644
--- a/block/genhd.c
+++ b/block/genhd.c
@@ -996,10 +996,20 @@ struct class block_class = {
.name = "block",
};
+static char *block_nodename(struct device *dev)
+{
+ struct gendisk *disk = dev_to_disk(dev);
+
+ if (disk->nodename)
+ return disk->nodename(disk);
+ return NULL;
+}
+
static struct device_type disk_type = {
.name = "disk",
.groups = disk_attr_groups,
.release = disk_release,
+ .nodename = block_nodename,
};
#ifdef CONFIG_PROC_FS