#define IOMAP_F_SHARED (1U << 2)
#define IOMAP_F_MERGED (1U << 3)
#define IOMAP_F_BUFFER_HEAD (1U << 4)
-#define IOMAP_F_ZONE_APPEND (1U << 5)
-#define IOMAP_F_XATTR (1U << 6)
+#define IOMAP_F_XATTR (1U << 5)
/*
* Flags set by the core iomap code during operations: