1 files changed, 7 insertions, 0 deletions
diff --git a/ioctl.h b/ioctl.h
index d57afb2d..8c32a2a2 100644
--- a/ioctl.h
+++ b/ioctl.h
@@ -364,6 +364,13 @@ struct btrfs_ioctl_received_subvol_args {
 	__u64	reserved[16];		/* in */
 };
 
+/*
+ * Caller doesn't want file data in the send stream, even if the
+ * search of clone sources doesn't find an extent. UPDATE_EXTENT
+ * commands will be sent instead of WRITE commands.
+ */
+#define	BTRFS_SEND_FLAG_NO_FILE_DATA	0x1
+
 struct btrfs_ioctl_send_args {
 	__s64 send_fd;			/* in */
 	__u64 clone_sources_count;	/* in */