public short getEh_depth() {
		return eh_depth;
	}
Read a Ext4ExtentHeader from the stream.

@param reader BinaryReader to read from
@return new Ext4ExtentHeader instance, or null if eof or no magic value
@throws IOException if error
Ghidra/Features/FileFormats/src/main/java/ghidra/file/formats/ext4/Ext4ExtentHeader.java