public short getEi_unused() {
		return ei_unused;
	}
Return the calculated ei_leaf value by combining ei_leaf_lo and ei_leaf_hi

@return the calculated ei_leaf value by combining ei_leaf_lo and ei_leaf_hi
Ghidra/Features/FileFormats/src/main/java/ghidra/file/formats/ext4/Ext4ExtentIdx.java