1 files changed, 1 insertions, 0 deletions
diff --git a/ioctl.h b/ioctl.h
index f0fc0608..df9e4b7a 100644
--- a/ioctl.h
+++ b/ioctl.h
@@ -141,6 +141,7 @@ struct btrfs_ioctl_dev_replace_status_params {
 #define BTRFS_IOCTL_DEV_REPLACE_CMD_START			0
 #define BTRFS_IOCTL_DEV_REPLACE_CMD_STATUS			1
 #define BTRFS_IOCTL_DEV_REPLACE_CMD_CANCEL			2
+#define BTRFS_IOCTL_DEV_REPLACE_RESULT_NO_RESULT		-1
 #define BTRFS_IOCTL_DEV_REPLACE_RESULT_NO_ERROR			0
 #define BTRFS_IOCTL_DEV_REPLACE_RESULT_NOT_STARTED		1
 #define BTRFS_IOCTL_DEV_REPLACE_RESULT_ALREADY_STARTED		2