diff --git a/fs/reiserfs/ioctl.c b/fs/reiserfs/ioctl.c
index 6ec8a30..036a1fc 100644
--- a/fs/reiserfs/ioctl.c
+++ b/fs/reiserfs/ioctl.c
@@ -224,7 +224,7 @@
 	page_cache_release(page);
 
 out:
-	mutex_unlock(&inode->i_mutex);
+	inode_unlock(inode);
 	reiserfs_write_unlock(inode->i_sb);
 	return retval;
 }