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-rw-r--r--drivers/md/dm.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index 27cd234cf68..9e8c1edd89d 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -921,6 +921,16 @@ static struct mapped_device *dm_find_md(dev_t dev)
return md;
}
+struct mapped_device *dm_get_md(dev_t dev)
+{
+ struct mapped_device *md = dm_find_md(dev);
+
+ if (md)
+ dm_get(md);
+
+ return md;
+}
+
void *dm_get_mdptr(dev_t dev)
{
struct mapped_device *md;