public short getBlockSize() {

		short blockSize = (short) (header & ~SquashConstants.METABLOCK_UNCOMPRESSED_MASK);

		// Let the user know if the current block size exceeds what is allowed per standard
		if (blockSize > SquashConstants.MAX_UNIT_BLOCK_SIZE) {
			Msg.warn(this, "Unit block size is too large!");
		}

		return blockSize;
	}
Represents the metadata proceeding a data block within the SquashFS archive
@param reader A binary reader with pointer index at the start of the metadata
@throws IOException Any read operation failure
Ghidra/Features/FileFormats/src/main/java/ghidra/file/formats/squashfs/SquashMetablock.java