block: display the correct diskname for bio

[mirror_ubuntu-bionic-kernel.git] / block / partition-generic.c

diff --git a/block/partition-generic.c b/block/partition-generic.c
index 91622db9aedffd997947642a5872802312346869..08dabcd8b6aefc6844bbb9d9e9c001e6ff71fb33 100644 (file)
--- a/block/partition-generic.c
+++ b/block/partition-generic.c
@@ -51,6 +51,12 @@ const char *bdevname(struct block_device *bdev, char *buf)
 
 EXPORT_SYMBOL(bdevname);
 
+const char *bio_devname(struct bio *bio, char *buf)
+{
+       return disk_name(bio->bi_disk, bio->bi_partno, buf);
+}
+EXPORT_SYMBOL(bio_devname);
+
 /*
  * There's very little reason to use this, you should really
  * have a struct block_device just about everywhere and use